ASTM Material Specifications for Valves, Fittings, Flanges

ASTM Material Specifications for Your Reference

KOSEN Valves: Reference of ASTM Material Specifications

Covering Cast and Forged Valves, Fittings, Flanges and Unions

Material 

Forgings 

Castings 

Wrought Fittings 

Carbon Steel
Cold Temperature Service 

A105
A350-LF2 

A216 WCB 

A234 WPB
A420-WPL6 

Carbon-1/2 Moly Alloy Steel
High Temperature Service 

A182-F1 

A217-WC 1
A352-LC1 

A234-WP1 

3-1/2 Nickel Alloy Steel
Low Temperature Service 

A350-LF3 

A352-LC3

A420-WPL3

1/2 Cr-1/2 Mo Alloy Steel
1/2 Cr-1/2 Mo-1 Ni Alloy
3/4 Cr-1 Mo-3/4 Ni Alloy Steel
1 Cr-1/2 Mo Alloy Steel

A182-F2
A182-F12 CL2 

A217-WC4
A217-WC5 

A234-WP12 CL2 

1-1/4 Cr-1/2 Mo Alloy Steel
2-1/4 Cr-1 Mo Alloy Steel
5 Cr-1/2 Mo Alloy Steel
5 Cr-1/2 Mo Alloy Steel
9 Cr-1 Mo Alloy Steel
13 Cr Alloy Steel 

A182-F11 CL2
A182-F22 CL 3
A182-F5
A182-F5a 
A182-F9
A182-F6

A217-WC6
A217-WC9
A217-C5
A217-C12
A743-CA15 

A234-WP11 CL2
A234-WP22 CL 3
A234-WP5
A234-WP9

Type 304 Stainless Steel (18 Cr-8 Ni)
Standard
Low Carbon 
High Temperature Service  

A182-F304
A182-F304L 
A182-F304H 

A351-CF3
A351-CF8 

A403-WP304
A403-WP304L 
A403-WP304H 

Type 310 Stainless Steel (25 Cr-20 Ni)
Type 316 Stainless Steel (16 Cr-12 Ni-2 Mo)
Standard 
Low Carbon 
High Temperature 

A182-F310H
A182-F316
A182-F316L 
A182-F316H

A351-CK20
A351-CF3M 
A351-CF8M 

A403-WP310

A403-WP316
A403-WP316L 
A403-WP316H

Type 317 Stainless Steel (18 Cr-13 Ni-3 Mo)
Type 321 Stainless Steel (18 Cr-10 Ni-Ti)
Standard 
High Temperature Service  

A182-F321
A182-F321H 

 

A403-WP317

A403-WP321
A403-WP321H 

Type 347 Stainless Steel (18 Cr-10 Ni-Cb)
Standard
High Temperature Service  

A182-F347
A182-F321H 

A351-CF8C 

A403-WP347
A403-WP347H

Type 348 Stainless Steel (18 Cr-10 Ni-Cb)
Standard
High Temperature Service  

A182-F348
A182-F348H 

 

A403-WP348
A403-WP438H 

 

API Trim Materials

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

 

 


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Zhejiang Kosen Valve Co., Ltd.

Zhejiang Kosen Valve Co., Ltd.


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Source: https://www.kosenvalve.com/astm-material-specifications-for-valves-fittings-flanges.html