ASTM Material Specifications for Your Reference
KOSEN Valves: Reference of ASTM Material Specifications |
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Covering Cast and Forged Valves, Fittings, Flanges and Unions |
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Material |
Forgings |
Castings |
Wrought Fittings |
Carbon Steel |
A105 |
A216 WCB |
A234 WPB |
Carbon-1/2 Moly Alloy Steel |
A182-F1 |
A217-WC 1 |
A234-WP1 |
3-1/2 Nickel Alloy Steel |
A350-LF3 |
A352-LC3 |
A420-WPL3 |
1/2 Cr-1/2 Mo Alloy Steel |
A182-F2 |
A217-WC4 |
A234-WP12 CL2 |
1-1/4 Cr-1/2 Mo Alloy Steel |
A182-F11 CL2 |
A217-WC6 |
A234-WP11 CL2 |
Type 304 Stainless Steel (18 Cr-8 Ni) |
A182-F304 |
A351-CF3 |
A403-WP304 |
Type 310 Stainless Steel (25 Cr-20 Ni) |
A182-F310H |
A351-CK20 |
A403-WP310 |
Type 317 Stainless Steel (18 Cr-13 Ni-3 Mo) |
A182-F321 |
A403-WP317 |
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Type 347 Stainless Steel (18 Cr-10 Ni-Cb) |
A182-F347 |
A351-CF8C |
A403-WP347 |
Type 348 Stainless Steel (18 Cr-10 Ni-Cb) |
A182-F348 |
A403-WP348 |
API Trim Materials |
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Trim Number |
Seat Ring Surface |
Wedge Seat Surface |
Stem |
Backseat Bushing |
1 |
A182 F6 |
A182 F6 |
A182 F6 |
A182 F6 |
2 |
A182 F304 |
A182 F304 |
A182 F304 |
A182 F304 |
5 |
Stellite |
Stellite |
A182 F6 |
A182 F6 |
6 |
Cu-Ni |
A182 F6 |
A182 F6 |
A182 F6 |
8 |
Hardfaced |
A182 F6 |
A182 F6 |
A182 F6 |
9 |
Monel |
Monel |
Monel |
Monel |
10 |
A182 F316 |
A182 F316 |
A182 F316 |
A182 F316 |
12 |
A182 F316/HF |
A182 F316/HF |
A182 F316 |
A182 F316 |
13 |
A20 |
A20 |
A20 |
A20 |
18 |
Stellite |
A182 F6 |
A182 F6 |
A182 F6 |
Source: https://www.kosenvalve.com/astm-material-specifications-for-valves-fittings-flanges.html