Material Comparison Reference Chart

WROUGHT DESIGNATIONS ALLOYS CAST EQUIVALENTS
304 ASTM A-744 CF 8
304 L ASTM A-744 CF 3
304 H ASTM A-352 CF 10
304 Modified ASTM A-744 CF 8 .4Min/0.8Max
- - Carbon
316 ASTM A-351/A-744 CF 8M
316 L ASTM A-744 CF 3M
317 ASTM A-744 CG 8M
317 L ASTM A-744 CG 3M
317 LM ASTM A-744 CG 3M Modified
- Molybdenum 4.0-5.0 -
- Carbon 0.3% Max -
347 ASTM A-744 CF 8C
347 H ASTM A-351 CF 8C Modified
- - .4Min/0.8Max Carbon
405 ASTM A-352 CA 6NM
410 ASTM A-487 CA 15-C
Alloy 20 Cast ASTM A-744 CN7M
Monel 400 ASTM A-494 M35-1
Monel ASTM A-494 M35-2
Monel ASTM A-494 M-30H
Duplex SS-Bar ASTM A-479 Ferrallium 255
  ASTM A-479 S-31803
Duplex SS-Cast ASTM A-744 CD-4MCU
Duplex SS-Cast 2205 ASTM A-890 CD-3MN
Nickel 200 ASTM A-494 CZ100
Inconel 600 ASTM A-494 CY40-CL1
Inconel 600 ASTM A-494 CY40-CL2
Inconel 625 ASTM A-494 CW6MC
Inconel X 750 - -
Inconel 800 ASTM A-351 CT15C
WROUGHT DESIGNATIONS ALLOYS CAST EQUIVALENTS
Inconel 800-H ASTM A-351 CT15C
Hast. ASTM A-494 N7MCL 1
Hast. B-Cast ASTM A-494 N-12MV
Hast. B-2 Bar ASME SB-335 N10665
Hast. C-Cast ASTM A-494 CW12MW
Hast. C-276 Bar ASME SB-574 N10276
Hast. C4 ASTM A-494 CW2M
Hast. C4-Cast Modified ASTM A-474 CW2M Class 1 Modified
- - Si 0.40% Max
- - S 0.015% Max
Hast. C-22 Bar ASME SB 574 NO 6022
Hast. C-22 Cast ASTM A-494 CX2MW
Titanium-Cast ASTM B-367 GR2
Titanium-Cast ASTM B-367 GR3
Titanium-Cast ASTM B-367 GRC5
Titanium ASTM B-367 GR7B
Avesta 254 SMO ASTM A-351/
NO 8926
CK3MCUN
Zirconium-Cast ASTM B-752 GR 702 C
Zirconium-Bar ASTM B-550 -
Carbon & Low Alloy
Carbon-Molybdenum Cast Forged
1.25 CR – 0.5 MO WC6 F11
2.25 CR – 1.0 MO WC9 F22
5.0 CR – 0.5 MO C5 F5
9.0 CR – 1.0 MO C12 F9
9.0 CR – 1.0 MO C12A F91
API 600 Trim Number Chart
Trim Material Seat Disk Backseat Stem Notes
1 410 410 410 410 410  
2 304 304 304 304 304  
3 F310 310 310 310 310  
4 Hard 410 Hard 410 Hard 410 410 410 seats 750BHN Min.
5 Hardfaced Stellite Stellite 410 410  
5A Hardfaced Ni-Cr Ni-Cr 410 410  
6 410 and Cu-Ni Cu-Ni 410 410 410  
7 410 and Hard 410 Hard 410 Hard 410 410 410 seats 750BHN Min.
8 410 and Hardfaced Stellite 410 410 410  
8A 410 and Hardfaced Ni-Cr 410 410 410  
9 Monel Monel Monel Monel Monel  
10 316 316 316 316 316  
11 Monel and Hardfaced Stellite Monel Monel Monel  
12 316 and Hardfaced Stellite 316 316 316  
13 Alloy 20 Alloy 20 Alloy 20 Alloy 20 Alloy 20  
14 Alloy 20 and Hardfaced Stellite Alloy 20 Alloy 20 Alloy 20  
15 304 and Hardfaced Stellite Stellite 304 304  
16 316 and Hardfaced Stellite Stellite 316 316  
17 347 and Hardfaced Stellite Stellite 347 347  
18 Alloy 20 and Hardfaced Stellite Stellite Alloy 20 Alloy 20