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Product Introduction
The ASTM A860 standard covers various types of pipe fittings,
including seamless carbon steel and low alloy pipes for high
temperature use, seamless pipes for low temperature use, and
seamless pipes for corrosion resistance. These pipe fittings are
mainly used in various industrial applications, such as oil,
natural gas, chemical, power and other fields. They play important
roles in transporting fluids, supporting structures, and
withstanding pressure in these fields.
Specifically, seamless fittings under the ASTM A860 standard
typically exhibit excellent mechanical properties and corrosion
resistance. They can withstand high temperature, high pressure, and
harsh environmental conditions, and are therefore widely used in
various industrial equipment and systems. For example, in the
process of oil and gas extraction, ASTM A860 fittings are used to
transport oil and gas mixtures; In the field of chemical
engineering, they are used to treat various corrosive media; In the
field of electricity, ASTM A860 fittings are used to manufacture
critical equipment such as boilers, superheaters, and reheaters.
In summary, ASTM A860, as an important material standard for
seamless pipe fittings, has a wide range of applications in the
industrial field. Its excellent mechanical properties and corrosion
resistance make it an indispensable material in various industrial
equipment and systems.
ASME B16.9
Nominal Size | Outside Diameter at Bevel | Length | Limiting Wall Thickness for Length E | ||
DN | NPS | OD | E | E₁ | |
15 20 25 | 1/2 3/4 1 | 21.3 26.7 33.4 | 25 25 38 | 25 25 38 | 4.57 3.81 4.57 |
32 40 50 | 11/4 11/2 2 | 42.2 48.3 60.3 | 38 38 38 | 38 38 44 | 4.83 5.08 5.59 |
65 80 90 100 | 21/2 3 31/2 4 | 73.0 88.9 101.6 114.3 | 38 51 64 64 | 51 64 76 76 | 7.11 7.62 8.13 8.64 |
125 150 200 | 5 6 8 | 141.3 168.3 219.1 | 76 89 102 | 89 102 127 | 9.65 10.92 12.70 |
250 300 350 | 10 12 14 | 273.0 323.8 355.6 | 127 152 165 | 152 178 191 | 12.70 12.70 12.70 |
400 450 500 | 16 18 20 | 406.4 457.0 508.0 | 178 203 229 | 203 229 254 | 12.70 12.70 12.70 |
550 600 650 | 22 24 26 | 559.0 610.0 660.0 | 254 267 267 | 254 | 12.70 |
700 750 800 | 28 30 32 | 711.0 762.0 813.0 | 267 267 267 | ||
850 900 950 | 34 36 38 | 864.0 914.0 965.0 | 267 267 305 | ||
1000 1050 1100 | 40 42 44 | 1016.0 1067.0 1118.0 | 305 305 343 | ||
1150 1200 | 46 48 | 1168.0 1219.0 | 343 343 | ||
Notes: 1)The configuration of the cap is normal ellipse. 2)Length E applies for the thickness not exceeding the Limiting Wall Thickness,Length E,applies for the thickness exceeding the Limiting Wall Thickness.For the caps with DN≥650(NPS26),they will be made subject to the sizes agreed between purchaser and manufacturer or be supplied according to manufacturer's size. |