Satish Lele
lelepiping@gmail.com


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PIPES and TUBES
Piping is used for Industrial, marine, transportation and plumbing purposes. Process piping is used to transport fluids between storage tanks and process units. Service or utility piping is used to convey steam, air, water, fuel oil etc.
Tubes: Tubes are not used as pipes but used for steam tracing. These are mostly used in Heat Exchangers. Tube is specified, by outside diameter and wall thickness in mm. The wall thickness is also expressed in BWG (Birmingham Wire Gauge). The principal uses for tube are in heat exchangers, instrument lines, and inter-connections on equipments such as compressors, boilers, and refrigerators. Tubes are generally, in smaller diameters and are seamless. These produced by extrusion process.

Pipe is identified by Nominal Pipe Size, with wall thickness defined by schedule number, API designations or weights. Non-standard pipes are specified by nominal size and wall thickness. Pipe is specified, in DIN Standard by outside diameter and wall thickness in mm. Pipes are of two types.

  • Seamless : These are produced similar to tubes but are of higher diameters than tube. These are used for severe operating conditions.
  • ERW (Electric Resistance Welded): These are as per ASTM A-53B. This general service carbon steel pipe is electrical resistance welded. This grade is typical Schedule 40 and 80 pipe. It is well suited for fabrication, and may be used for pressure vessels with pressure and temperature limitations. Often used for oil, water, gas and petroleum products.
SIZES : The size of all pipe is identified by Nominal Pipe Size, which is seldom equal to the true bore (internal diameter) of the pipe. 350 mm NB and larger pipes have outside diameter equal to nominal pipe size. Normal pipe diameters as per ANSI Standard are 15, 20, 25, 40, 50, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500 and 600 mm NB. 32, 65, 95, 125 mm NB pipes are normally used in small length for final connection to equipments, but piping later is done with one size larger.
Smaller than 15 NB are restricted for instrument lines or for service and other lines which have to mate with other equipments. 15 NB pipe is extensively used for steam tracing and auxiliary piping at pump. Pipes with diameter larger than 600 mm NB are defined by American Water Works Association Standard (AWWA)
LENGTHS : Straight pipe is supplied in random lengths of 6 to 8 meters and of double this length.
Pipe Ends of these lengths are generally either Plain end (PE) for socket welding or Beveled end (BE) for butt-welding, or threaded which is supplied with one coupling per length.
PIPE THICKNESS : Pipes in the various sizes are made in several wall thickness for each size, which have been established by three different sources.
  1. ANSI through schedule number, and are specified in standard B36.10. and ASME and ASTM through standard, extra-strong and double extra strong.
  2. API through its standard 5L and 5LX. For stainless steel ANSI standard B36.19, establishes a range of thin walled sizes, identified by schedules 5S and 10S.
TEMPERATURE and PRESSURE LIMITS : Carbon Steels lose strength at high temperatures. Electric-resistance-welded (ERW) pipe is not considered satisfactory for service above 400 Deg C. For higher temperatures, pipes made from Stainless Steel or other alloys should be considered.
MATERIAL of CONSTRUCTION : Different materials are used for construction of pipes and tubes. These are Carbon Steel, Iron, Non Ferrous, Plastic, Glass, and Lined metal.
  1. Carbon Steel : The most readily available carbon steel pipe is made to ASTM A53 in schedules 40, 80, STD and XS sizes, in electric arc welded (Grade A and Grade B-the later grade has the higher tensile strength) and in seamless (Grade A and B) constructions.
    Common finishes are Black (plain or mill finish) and Galvanized.
    As with other steels, A53 has a specific gravity of approximately 7.85, and therefore a density of approximately 7850 kg/m3. A53 pipe comes in several types and grades A and B. Grade A is not commonly used for structural applications.
    A53 Grade A has a minimum tensile yield strength of 2050 kg/m2, and minimum tensile ultimate strength of 3300 kg/m2. A53 Grade B has a minimum tensile yield strength of 2400 kg/m2, and minimum tensile ultimate strength of 4150 kg/m2.
    A106 Grade A has a tensile strength of 3200 kg/m2. A106 Grade B has a tensile strength of 4000 kg/m2, A106 Grade C has tensile strength of 4500 kg/m2.
    Most sizes and weights are also available in seamless carbon steel to ASTM A 106, which is comparable specification to A 53, but prescribing more stringent testing. Three grades of A 106 are available, Grade A, B and C, in order of increasing tensile strength. Straight seam welded and spiral welded pipe is made from plate and seamless pipe is made by piercing solid billets. Carbon Steel pipe is strong, ductile, weldable, mechineable, reasonably durable and is cheaper than pipe made from other materials. If carbon steel pipe can meet the requirements of pressure, temperature, corrosion resistance and hygiene, it is natural choice.
  2. Iron Pipe : It is made from cast-iron and ductile iron. The principal uses are for water, gas and sewage lines which are laid under the ground. Wrought iron pipe is seldom employed.
  3. Non-Ferrous Pipes : Pipes or tubes made from copper, lead, nickel, brass, aluminum and various stainless steels can be readily obtained. These materials are relatively expensive and are selected usually either because of their particular corrosion resistance to process chemicals, their good heat transfer, or for their tensile strength at higher temperatures.
    • Copper and Copper Alloys are traditional for instrument lines, food processing, and heat transfer equipments, but stainless steels are increasingly being used for these purposes.
      Temper: Temper denotes the hardness and strength of tube. Products are available in a variety of tempers like H (Hard), HH (Half Hard), QH (Quarter Hard), O (soft annealed) and OL (light annealed). Straight lengths are primarily drawn temper, or as more commonly known, hard tube. Annealed temper tube is referred to as soft tube. The following points provide the various tempers in which copper and copper alloy pipes, tube and fittings are provided.
      Hard Drawn : No visible grain. Used where minimal forming will be performed and maximum strength is required.
      Half Hard : 0.015-0.040 mm grain size. This temper is similar to light annealed or light annealed rotary straightened, but has much higher yield strength due to drawing after annealing. This product is used where high rigidity is desired with minimal amount of forming ability.
      Light Anneal : 0.015-0.040 mm grain size. Preferred for tight bends and extreme forming application. This is an annealed temper with a fine grain size to prevent “orange peel” and fracturing when forming.
      Soft Anneal : 0.040-0.060 mm grain size. This temper is suitable for general purpose bending and forming which is not as extreme as that requiring light annealed temper. Soft anneal temper works hardens at a slower rate than light anneal.
    • Lead: Primarily used for conveying dilute suphuric acid. Lead Pipe (Seamless) is made from Pure Lead Metal (99.97% min.) or Lead Alloys, which is readily fabricated by extrusion. Lead Metal have excellent property of corrosion resistance and flexibility. Lead Pipes finds many uses in the chemical industry. Lead Pipe for these applications is made from either chemical Pure Lead or up to 6% Antimonial Lead Alloy. Pure Lead (Chemical Grade) Pipes & Antimonial Lead Pipes are offered as per client specification. Standard sizes are min 10 mm ID and max 200 mm ID. The main application for such Lead Pipes are for Water, Soil Waste, Ventilating, Gas Purpose, Telephones, Telegraph, Under ground works, Acids & Chemicals. In present time, Lead Pipes are mainly used for carriage of corrosive chemicals in chemical plants. The appropriate composition of Lead with other alloying Metal is extruded for cutting into short length sleeves which is used for jointing of Lead Sheathed Cables.
    • Cupro Nickel: Copper had been proved since the early days to have many good attributes. It was easy to bend and had very high corrosion resistance, but there was concern about its low corrosion-fatigue strength. When copper-nickel was introduced, it displayed corrosion resistance similar to copper, higher general strength and better fatigue strength. Good formability allows ease of flaring and bending, and although the metal cost is greater than that of steel alternatives, copper-nickel is very attractive in view of its extra life, trouble-free installation and safety/reliability characteristics.
      Properties of Copper-Nickel Brake Tubing: The copper-nickel alloy used for brake tubing typically contains 10% nickel, with iron and manganese additions of 1.4% and 0.8% respectively. The product conforms to ASTM B466, which specifies dimensions, tensile strength and yield strength. Formability and internal cleanliness conform to specifications SAE J527, ASTM A254 and SMMT C5B (Society of Motor Manufacturers and Traders). Also, the alloy meets the requirements for pressure containment, fabrication and corrosion resistance for ISO 4038 (International Standards Organization) and SAE J1047.
      Corrosion Resistance: For many years prior to its application as a brake tubing material, alloy C70600 had been used in ships, power station condensers and hydraulic lines on tankers, and had displayed excellent resistance to saline conditions. Early tests revealed that copper-nickel has almost the same resistance to burst pressure as steel. In testing, however, when exposed to salt spray over 180 days, steel's burst strength decreases significantly. The copper alloy remains consistently resistant.
      For tubes covered with a moist, salty mudpack for six months, brazed steel was severely corroded resulting in perforation of the tubing wall; whereas, only superficial general corrosion was found on the copper-nickel tubing. ISO 4038 and SAE J1047 include a corrosion resistance requirement referring to ISO 3768 asking for a minimum burst pressure of 110 MPa after 96 hours in neutral salt spray. Swedish requirements include a resistance at least equal to 25µ of zinc. In all cases alloy C70600 easily exceeds the required corrosion resistance.
      Copper-nickel brake tubing provides superior reliability and assures both manufacturers and vehicle owners improved durability for effective long-life functioning of the brake system.
    • Brass: Using brass pipes has its advantages. Since brass pipe fittings are corrosive resistant and durable, they last longer than other materials. They are also easily manufactured, so you can easily have brass pipes in the size and shape you prefer. Brass pipe suppliers provide various kinds of brass pipe fittings for plumbing business. Some of the most commonly used are: pipe adaptors, pipe couplings, pipe elbows, pipe nipples, pipe unions, pipe tees, pipe plugs and pipe wyes. These brass pipes come in different sizes which have various uses as well. Residential pipes are relatively smaller than those used for industrial applications.
  4. Plastic Pipes : These are used for transporting actively corrosive fluids, and is especially useful for handling corrosive or hazardous gases and dilute mineral acids. Plastics are used in three ways as all plastic pipe, as filled plastic materials (Glass fiber reinforced, carbon filled, etc.), and as lining or coating material. Plastic pipe is made from Polypropylene, Polyethylene, Polybutylene, Poly vinylchloride, Acrylonitrile Butadiene Styrene, Cellulose Acetate-butyrate, Polyolefins, and Polyesters. Pipe made from Polyester and Epoxy resins is frequently glass fiber reinforced (FRP) and commercial product of this type have good resistance to wear and chemical attack.
  5. Glass : Generally, Borosilicate glass is used for pipes and fittings. All glass piping is used for its chemical resistance, cleanliness and transparency. Glass pipe is not subject to crazing, often found in glass lined pipes and vessels subjected to repeated thermal stresses. Pipes, fittings and hardware are available both for process piping and for drainage. Process lines of 25, 40, 50, 80, 100 and 150 mm NB are readily available, with 200 Deg C as the maximum operating temperature and pressure range up to 4 kg/sq. cm. (for 25 to 80 mm NB), 3.5 kg/sq. cm. (for 100 mm NB) and 2.5 kg/sq. cm. (for 150 mm NB)
  6. Lining and Coating : Lining and coating carbon steel pipe with a material able to withstand chemical attack permits its use to carry corrosive fluids. Lengths of lined pipes and fittings are joined by flanges, and elbows, tees etc, are available readily flanged. Lining like rubber can be applied after fabricating the pipe, but pipe is often pre-lined. Lining of various rubbers, plastics, metals and vitreous material is available. Coating is made from Plastics like Poly-propylene, Poly-ethylene, Poly-butylene, Poly-vinylchloride, Acrylonitrile Butadiene Styrene, Poly-olefins, and Poly-esters. Carbon Steel pipe coated with zinc, by immersion into molten zinc (hot-dip galvanized) is used for conveying drinking water, instrument air and various other fluids. Rubber and Basalt lining is often used to handle abrasive fluids.
REINFORCEMENTS : This is used for straight run pipes as well as for branch connections.
  1. On Straight Pipe : If a butt-weld joining two sections of straight pipe is subject to unusual external stress, it may be reinforced by addition of a sleeve, which is a pipe cut at the seams in two parts. The Code applicable to piping should be referred for reinforcement. Reinforcing pieces are usually provided with a small hole to vent gases produced by welding, which would otherwise get trapped. A vent hole also serves to indicate any leak in the weld.
  2. On Branch Connections : It is addition of extra metal at a branch connection made from a pipe or vessel wall. The added metal compensates for structural weakening due to the hole. Stub-ins may be reinforced with regular or wrap-around saddles. Rings made from pipe stock are used to reinforce branches made with welded laterals and butt welded connections to vessels. Small welded connections may be reinforced by adding extra metal to the joint.
METHODS of PIPE JOINING : There are five methods of joining pipes to each other. These are Butt-Welded, Socket Welded, Screwed, Bolted Flanges and Bolted Quick Couplings.
  1. Butt Welded Pipes : These are used for most of the process, utility and service piping. If welding is not properly done, intruding material may affect flow. The end of the pipe is first beveled. Fittings are similarly beveled by the manufacturer. The two parts are aligned, properly gapped, tack welded, and the continuous weld is made to complete the joint. Lines 50 mm NB and larger are usually butt welded, this being the most economic and leak proof way of joining larger diameter piping. Usually such lines lines are sub-contracted to a piping fabricator for pre-fabrication in sections, termed as spools, which are then transported to the site. Butt weld fittings are used in these lines.
  2. Socket-Welded Pipes : These are used for pipelines conveying flammable, toxic or expensive material, where no leakage can be permitted. Socket welding is easier to align on small lines than butt welding. Tack welding is not necessary. No weld metal can enter the bore. Joint will not leak, when properly made. A small gap between pipe and fitting may hold liquid in it. To make the joint pipe is finished flat. It is located in the fitting, valve, flange etc., and a continuous fillet weld is made around the circumference. Lines 40 mm NB and smaller are usually socket welded and are normally field run by the piping contractor from general arrangement drawings. These have socket welding fittings.
  3. Screwed Pipes : Lines 40 mm NB and smaller can have screwed joints but these joints can leak. These should not be used for flammable or corrosive liquids. These can be easily made on site from pipes and fittings. It minimizes fire hazard when installing these as no welding work is involved. Not good for erosion, crevice corrosion, shock or vibration or at very high temperatures. Seal welding may be necessary. Strength of the pipe is reduced, as forming the screw thread reduces the wall thickness. These are field run by piping contractor.
  4. Bolted Flanged Pipes : These are expensive and for the most part are used to mate with flanged vessels, equipments, valves, and for process lines which may require periodic cleaning. Flanged joints are made by bolting together two flanges with a gasket between them to provide a seal.
  5. Bolted Quick Couplings : Connections of this type may be suitable for either permanent or temporary use depending on the joint and gasket, and service conditions. Piping can be built rapidly with these, and these are useful for making repairs to lines, for constructing short-run process installations such as pilot plants and for process modifications.

  6. PIPE DIMENSIONS AND WEIGHTS AS PER ANSI B 36.10

    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    8 10.3 1.73 0.37 STD 40
    2.41 0.47 XS 80
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    10 13.7 2.24 0.63 STD 40
    3.02 0.8 XS 80
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    12 17.1 2.31 0.84 STD XS
    3.2 1.1 XS 80
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    15 21.3 2.77 1.27 STD 40
    3.73 1.62 XS 80
    4.78 1.95 ... 160
    7.47 2.55 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    20 26.7 2.87 1.69 STD 40
    3.91 2.2 XS 80
    5.56 2.9 ... 160
    7.82 3.64 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    25 33.4 3.38 2.5 STD 40
    4.55 3.24 XS 80
    6.35 4.24 ... 160
    9.09 5.45 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    32 42.2 3.56 3.39 STD 40
    4.85 4.47 XS 80
    6.35 5.61 ... 160
    9.7 7.77 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    40 48.3 3.68 4.05 STD 40
    5.08 5.41 XS 80
    7.14 7.25 ... 160
    10.16 9.56 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    50 60.3 3.91 5.44 STD 40
    5.54 7.48 XS 80
    8.74 11.11 ... 160
    11.07 13.44 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    65 73.0 5.16 8.63 STD 40
    7.01 11.41 XS 80
    9.52 14.9 ... 160
    14.02 20.39 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    80 88.9 3.18 6.72 ... ...
    3.96 8.29 ... ...
    4.78 9.92 ... ...
    5.49 11.29 STD 40
    6.35 12.93 ... ...
    7.14 14.4 ... ...
    7.62 15.27 XS 80
    11.13 21.35 ... 160
    15.24 27.68 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    90 101.6 3.18 7.72 ... ...
    3.96 9.53 ... ...
    4.78 11.41 ... ...
    5.74 13.57 STD 40
    6.35 14.92 ... ...
    7.14 16.63 ... ...
    8.08 18.63 XS 80
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    100 114.3 3.18 8.71 ... ...
    3.96 10.78 ... ...
    4.78 12.91 ... ...
    5.56 14.91 ... ...
    6.02 16.07 STD 40
    6.35 16.9 ... ...
    7.14 18.87 ... ...
    7.92 20.78 ... ...
    8.56 22.32 XS 80
    11.13 28.32 ... 120
    13.49 33.54 ... 160
    17.12 41.03 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    125 141.3 3.96 13.41 ... ...
    4.78 16.09 ... ...
    5.56 18.61 ... ...
    6.55 21.77 STD 40
    7.14 23.62 ... ...
    7.92 26.05 ... ...
    8.74 28.57 ... ...
    9.52 30.94 XS 80
    12.7 40.28 ... 120
    15.88 49.11 ... 160
    19.05 57.43 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    150 168.3 4.78 19.27 ... ...
    5.56 22.31 ... ...
    6.35 25.36 ... ...
    7.11 28.26 STD 40
    7.92 31.32 ... ...
    8.74 34.39 ... ...
    9.52 37.28 ... ...
    10.97 42.56 XS 80
    14.27 54.2 ... 120
    18.26 67.56 ... 160
    21.95 79.22 XXS ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    200 219.1 4.78 25.26 ... ...
    5.16 27.22 ... ...
    5.56 29.28 ... ...
    6.35 33.31 ... 20
    7.04 36.31 ... 30
    7.92 41.24 ... ...
    8.18 42.55 STD 40
    8.74 45.34 ... ...
    9.52 49.2 ... ...
    10.31 53.08 ... 60
    11.13 57.08 ... ...
    12.7 64.64 XS 80
    15.09 75.92 ... 100
    18.26 90.44 ... 120
    20.62 100.92 ... 140
    22.22 107.88 XXS ...
    23.01 111.27 ... 160
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    250 273.0 4.78 31.62 ... ...
    5.16 34.08 ... ...
    5.56 36.67 ... ...
    6.35 41.75 ... 20
    7.09 46.49 ... ...
    7.8 51.01 ... 30
    8.74 56.96 ... ...
    9.27 60.29 STD 40
    11.13 71.87 ... ...
    12.7 81.52 XS 60
    15.09 95.97 ... 80
    18.26 114.7 ... 100
    21.44 133 ... 120
    25.4 155.09 XXS 140
    28.57 172.21 ... 160
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    300 323.8 5.16 40.55 ... ...
    5.56 43.63 ... ...
    6.35 49.71 ... 20
    7.14 55.75 ... ...
    7.92 61.69 ... ...
    8.38 65.18 ... 30
    8.74 67.9 ... ...
    9.52 73.78 STD ...
    10.31 79.7 ... 40
    11.13 85.82 ... ...
    12.7 97.43 XS ...
    14.27 108.92 ... 60
    17.48 132.04 ... 80
    21.44 159.86 ... 100
    25.4 186.91 XXS 120
    28.57 208 ... 140
    33.32 238.68 ... 160
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    350 355.6 5.33 46.04 ... ...
    5.56 47.99 ... ...
    6.35 54.69 ... 10
    7.14 61.35 ... ...
    7.92 67.9 ... 20
    8.74 74.76 ... ...
    9.52 81.25 STD 30
    11.13 94.55 ... 40
    11.91 100.94 ... ...
    12.7 107.39 XS ...
    15.09 126.71 ... 60
    19.05 158.1 ... 80
    23.83 194.96 ... 100
    27.79 224.65 ... 120
    31.75 253.56 ... 140
    35.71 281.7 ... 160
    50.8 381.83 ... ...
    53.97 401.44 ... ...
    55.88 413.01 ... ...
    63.5 457.4 ... ...
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    400 406.4 5.56 54.96 ... ...
    6.35 62.64 ... 10
    7.14 70.3 ... ...
    7.92 77.83 ... 20
    8.74 85.71 ... ...
    9.52 93.17 STD 30
    11.13 108.49 ... ...
    11.91 115.86 ... ...
    12.7 123.3 XS 40
    16.66 160.12 ... 60
    21.44 203.53 ... 80
    26.19 245.56 ... 100
    30.96 286.64 ... 120
    36.53 333.19 ... 140
    40.49 365.35 ... 160
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    450 457.2 6.35 70.60 ... 10
    7.14 79.24 ... ...
    7.92 87.75 ... 20
    8.74 96.66 ... ...
    9.52 105.1 STD ...
    10.31 113.62 ... ...
    11.13 122.43 ... 30
    11.91 130.78 ... ...
    12.7 139.2 XS ...
    14.27 155.87 ... 40
    19.05 205.83 ... 60
    23.83 254.67 ... 80
    29.36 309.76 ... 100
    34.92 363.64 ... 120
    39.67 408.45 ... 140
    45.24 459.59 ... 160
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    500 508.0 6.35 78.55 ... 10
    7.14 88.19 ... ...
    7.92 97.67 ... ...
    8.74 107.6 ... ...
    9.52 117.02 STD 20
    10.31 126.53 ... ...
    11.13 136.37 ... ...
    11.91 145.7 ... ...
    12.7 155.12 XS 30
    15.09 183.42 ... 40
    20.62 247.83 ... 60
    26.19 311.17 ... 80
    32.54 381.53 ... 100
    38.1 441.49 ... 120
    44.45 508.11 ... 140
    50.01 564.81 ... 160
    NB of PIPE OD of PIPE Wall Thick, mm Wt. per meter, Kg Wt. Class Sch
    600 609.6 6.35 94.46 ... 10
    7.14 106.08 ... ...
    7.92 117.51 ... ...
    8.74 129.5 ... ...
    9.52 140.8 STD 20
    10.31 152.37 ... ...
    11.13 164.26 ... ...
    11.91 175.54 ... ....
    12.7 186.94 XS ...
    14.27 209.5 ... 30
    17.48 255.24 ... 40
    23.83 344.23 ... ...
    24.61 355.02 ... 60
    30.96 441.78 ... 80
    38.89 547.33 ... 100
    46.02 639.58 ... 120
    52.37 719.63 ... 140
    59.54 807.63 ... 160

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