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Corrosion resistant alloys for corrosive petrochemical applications

■ An overview of alloy materials■

Looking for a special alloy valve?  Find it in the following configurations: Ball, Butterfly, Cast, Check, Control, Cryogenic, Custom made, Foot, Forged, Gate, Globe, Needle, Plug, and Safety relief, as well as Strainers.

Alloy Valve Stockist supplies a broad range of alloy gate, globe, check, ball, butterfly, plug, needle and custom made valves.

304SS 347SS HASTELLOY A 3% NICKEL CAST IRON
304 347    
CF8 CF8C HASTELLOY A 3NI
304LSS CF82B HA CIA
CF3 188SCB HAA NCI*
188S ELC 188CB A HASTELLOY B
D2L D2CB    
DF8L 410SS NR NI RESIST CAST IRON
188 ELC CR13   NR2
316SS 11 13 HASTELLOY B CAUSUL*
316 F6 HASTELLOY B3  
CF8M EXELLOY (CRANE) HAB SPECIAL
188SMO CA 15 N7M  
188M FERRALIUM N12M A 254 SMO
188MO CD4M N2  
L22XM CD4MCU DC2 LOW TEMP STEELS
D4 DURCOMET 100 B  
CF7M 38 (JB) NiMO LCB (CAST CARBON)
8M MONEL 400 CW12M LC1 (CAST 1/2 % MOLY)
36 (JB) M35   LC2 (CAST 2 1/2 % NICKEL)
6 (HMC) M35W HASTELLOY C LC3 (CAST 3 1/2 % NICKEL)
0 DM   LF1 (FORGED CARBON)
C (CONTRO) M HASTELLOY C LF2 (FORGED CARBON)
KA2SMO (LAD) HASTELLOY C276 LF3 (FORGED 3 1/2 NICKEL)
317SS MONEL HAC  
CG8M MLCB CW7M (LAD)
316LSS MON CW12M A 105 (FORGED)
316L MNL HASTELLOY C22 CARBON STEEL
CF3M EM DC3 CS
188SMO ELC NICU C WCB (CAST)
D4L QQN-177 (LAD) 73 (JB) 1 1/4% CR 1/2% MOLY
6L (HMC) COMPE (LAD) NIMOCR  
L22XMELC K (TRIM)   WC6 (CAST)
ALLOY 20 71 (JB) HASTELLOY D F11 (FORGED)
A20 Mo (HMC)    
CN7M NICKEL 200 HAST D 2 1/4% CR 1/2% MOLY
C20 NI HD  
D20 DNI HAD (LAD)
DURIMET 20 CZ100   TI.
CN7MTB J20 TITANIUM  
35 (JB) FA20   5% CR 1/2% MOLY
A2 (HMC) L34 TI F22 (FORGED)
20 INC CZ100S C5 (CAST) WC9 (CAST)
STAINLESS 20 Inconel CY40 LNI F5 (FORGED) (LAD) F9 (FORGED)
F (ALOYCO) DIN DCI F5A (FORGED)   C12 (CAST)
DURIMET   21 (JB)    
CAR-20 ZIRCONIUM    
CHROME-MOLY ALLOYS
Pipe Valves Flanges Weld Fittings Screwed and Socket Fittings
A-335 P-1 A-217 WC-6 A-182 F-1 A-234 WP-1 A-182 F-1
A-335 P-12 A-217 WC-6 A-182 F-12 A-234 WP-12 A-182 F-12
A-335 P-11 A-182 F11/A-217 WC-6 A-182 F-11 A-234 WP-11 A-182 F-11
A-335 P-22 A-182 F-22/A-217 WC-9 A-182 F-22 A-234 WP-22 A-182 F-22
A-335 P-5 A-182 F-5/A-217 WC-5 A-182 F-5 A-234 WP-5 A-182 F-5
A-335 P-7 A-182 F-7/A-217 WC-12 A-182 F-7 A-234 WP-7 A-182 F-7
A-335 P-9 A-182 F-9/A-217 WC-12 A-182 F-9 A-234 WP-9 A-182 F-9
A-268 T-410 A-182 F-6/A-351 CA-15 A-182 F-6 A-234 WP-410 A-182 F-6
CARBON STEELS
Pipe Valves Flanges Weld Fittings Screwed and Socket Fittings
A-53 A-105 A-216 WCB A-105, A-181 Grade 2 A-234 WPB A-105, A-181 Grade 2
A-106B A-105 A-216 WCB A-105 A-181 Grade 2 A-234 WPB A-105 Grade 2 A-181 Grade 2
LOW-TEMPERATURE STEELS
Pipe Valves Flanges Weld Fittings Screwed and Socket Fittings
A-333 Grade 6 A-350 LF-2/A-352 LCB A-350 LF-2 A-420 WPL-6 A-350 LF-2
A-333 Grade 3 A-350 LF-3/A-352 LCS A-350 LF-3 A-420 WPL-3 A-350 LF-3
STAINLESS STEELS
Pipe Valves Flanges Weld Fittings Screwed and Socket Fittings
A-312 T304 A-182 F-304/A-351 CF8 A-182 F-304 A-403 WP-304 A-182 F-304
A-312 304L A-182 F-304L/A-296 CF3 A-182 F-304L A-403 WP-304L A-182 F-304L
A-312 T316 A-182 F-316/A-351 CF8M A-182 F-316 A-403 WP-316 A-182 F-316
A-312 316L A-182 F-316L/A-296 CF3M A-182 F-316L A-403 WP-316L A-182 F-316L
A-312 321 A-182 F-321/A-351 CF8C A-182 F-321 A-403 WP-321 A-182 F-321
A-312 347 A-182 F/347/A-351 CF8CMO A-182 F-347 A-403 WP-347 A-182 F-347
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 0.4Min / 0.8Max
Carbon
316 ASTM A-351 / A-744 CF8M
316 L ASTM A-744 CF3M
317 ASTM A-744 CG8M
317 L ASTM A-744 CG3M
317 LM ASTM A-744 CG3M Modified
Molybdenum 4.0-5.0
Carbon 0.3% Max
347 ASTM A-744 CF8C
347 H ASTM A-351 CF8C Modified
.04Min / .08Max Carbon
405 ASTM A-352 CA6NM
410 ASTM A-487 CA15-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
Duplex SS-Bar ASTM A-479 S-31803
Duplex SS-Cast ASTM A-744 CD-4MCU
Duplex SS-Cast 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 X750
Incoloy 800 ASTM A-351 CT15C
Incoloy 800H ASTM A-351 CT15C
Hastelloy ASTM A-494 N7M CL 1
Hastelloy B3 ASTM A-494 N-12MV
Hastelloy B2 ASTM A-494 N7M
Hastelloy C Cast ASTM A-494 CW12MW
Hastelloy C276 Bar ASME SB-574 N10276
Hastelloy C4 ASTM A-494 CW2M
Hastelloy C4-Cast Modified ASTM A-474 CW2M Class 1 Modified
Si 0.40% Max
Si 0.015% Max
Hastelloy C-22 Bar ASME SB 574 N06022
Hastelloy C-22 Cast ASTM A-494 CX2MW
Titanium-Cast ASTM B-367 GR2
Titanium-Cast ASTM B367 GR3
Titanium-Cast ASTM B-367 GRC5
Titanium ASTM B-367 CR7B
Avesta 254 SMO ASTM A-351 / NO 8926 CK3MCUN
Zirconium-Cast ASTM B-752 GR 702 C
Zirconium-Bar ASTM B-550
API TRIMS
TRIM MATERIAL SEAT DISC 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 3477
18 Alloy 20 and Hardfaced Stellite Stellite Alloy 20 Alloy 20