ASTM A182 Specification

ASTM A182 is a standard specification for forged or rolled alloy and stainless steel materials, used for manufacturing pipe flanges, forged fittings, valves, fasteners and parts for high-temperature service applications. Boltport manufactures forged bolts, nuts, studs and other fasteners to ASTM A182 specification. This specification covers requirements such as chemical composition, mechanical properties, heat treatment, welding repairs and other supplementary requirements for forged or rolled alloy and stainless steel materials used in pressure system.

ASTM A182 Alloy Steel Grades

Grade Identification Symbol UNS Designation
Carbon Molybdenum F1 K12822
0.5% Chromium F2 K12122
4 to 6% Chromium F5 K41545
4 to 6% Chromium F5a K42544
9% Chromium F9 K90941
20% Nickel, 8% Chromium F10 S33100
9% Chromium, 1% Molybdenum, 0.2% Vanadium plus
Columbium and Nitrogen
F91 K90901
11% Chromium, 2% Tungsten, 0.2% Vanadium, plus
Molybdenum, Columbium, Copper, Nickel, Nitrogen, & Boron
F122 K91271
9% Chromium, 1% Molybdenum, 0.2% Vanadium plus Columbium & Nitrogen F911 K91061
1.25% Chromium, 0.5% Molybdenum F11 - Class 1 K11597
1.25% Chromium, 0.5% Molybdenum F11 - Class 2 K11572
1.25% Chromium, 0.5% Molybdenum F11 - Class 3 K11572
1% Chromium, 0.5% Molybdenum F12 - Class 1 K11562
1% Chromium, 0.5% Molybdenum F12 - Class 2 K11564
Chromium - Molybdenum F21 K31545
3% Chromium, 1% Molybdenum, 0.25% Vanadium Plus Boron & Titanium F3V K31830
3% Chromium, 1% Molybdenum, 0.25% Vanadium Plus Boron & Titanium F3VCb K31390
Chromium - Molybdenum F22 - Class 1 K21590
Chromium - Molybdenum F22 - Class 3 K21590
2.25% Chromium, 1% Molybdenum, 0.25% Vanadium F22V K31835
2.25% Chromium, 1.6% Tungsten, 0.25% Vanadium, plus
Molybdenum, Columbium, & Boron
F23 K41650
2.25% Chromium, 1% Molybdenum, 0.25% Vanadium plus
Boron & Titanium
F24 K30736
2% Nickel, 1% Copper FR K22035
1.15% Nickel, 0.65% Copper, Molybdenum, and Columbium F36 K21001

ASTM A182 Stainless Steel Grades

Grade Identification Symbol UNS Designation
13% Chromium (410) F6a S41000
13% Chromium, 0.5% Molybdenum F6b S41026
13% Chromium, 4% Nickel F6NM S41500
27% Chromium, 1% Molybdenum F XM-27Cb S44627
15% Chromium 429G F429 S42900
17% Chromium 430G F430 S43000
18% Chromium, 8% Nickel 304G F304 S30400
18% Chromium, 8% Nickel 304HG F304H S30409
18% Chromium, 8% Nickel, Low Carbon 304LG F304L S30403
18% Chromium, 8% Nickel, modified with Nitrogen 304NG F304N S30451
18% Chromium, 8% Nickel, modified with Nitrogen 304LNG F304LN S30453
23% Chromium, 13.5% Nickel 309HG F309H S30909
25% Chromium, 20% Nickel 310G F310 S31000
25% Chromium, 20% Nickel 310HG F310H S31009
25% Chromium, 22% Nickel, modified with Molybdenum and Nitrogen, Low Carbon 310MoLNG F310MoLN S31050
18% Chromium, 8% Nickel, modified with Molybdenum 316G F316 S31600
18% Chromium, 8% Nickel, modified with Molybdenum 316HG F316H S31609
18% Chromium, 8% Nickel, modified with Molybdenum, Low Carbon 316LG F316L S31603
18% Chromium, 8% Nickel, modified with Molybdenum and Nitrogen 316NG F316N S31651
18% Chromium, 8% Nickel, modified with Molybdenum and Nitrogen 316LNG F316LN S31653
18% Chromium, 8% Nickel, modified with Molybdenum and Nitrogen 316TiG F316Ti S31635
19% Chromium, 13% Nickel, 3.5% Molybdenum 317G F317 S31700
19% Chromium, 13% Nickel, 3.5% Molybdenum 317LG F317L S31703
18% Chromium, 15% Nickel, 4.5% Molybdenum, 3.5% Copper with Nitrogen - S31727
23% Chromium, 25% Nickel, 5.5% Molybdenum, with Nitrogen - S32053
18% Chromium, 8% Nickel modified with titanium 321G F321 S32100
18% Chromium, 8% Nickel, modified with Titanium 321HG F321H S32109
18% Chromium, 8% Nickel modified with Columbium 347G F347 S34700
18% Chromium, 8% Nickel, modified with Columbium 347HG F347H S34709
18% Chromium, 8% Nickel modified with Columbium and Nitrogen 347LN F347LN S34751
18% Chromium, 8% Nickel modified with Columbium 348G F348 S34800
18% Chromium, 8% Nickel, modified with Columbium 348HG F348H S34809
20% Chromium, 6% Nickel, 9% Manganese XM-11G F XM-11 S21904
22% Chromium, 13% Nickel, 5% Manganese XM-19G F XM-19 S20910
35% Nickel, 20% Chromium, 3.5% Copper, 2.5% Molybdenum F20 N08020
20% Chromium, 18% Nickel, 6% Molybdenum, Low Carbon F44 S31254
21% Chromium, 11% Nickel modified with Nitrogen and Cerium F45 S30815
18% Chromium, 15% Nickel, 4% Silicon F46 S30600
19% Chromium, 15% Nickel, 4% Molybdenum 317LMG F47 S31725
19% Chromium, 15% Nickel, 4% Molybdenum 317LMNG F48 S31726
24% Chromium, 17% Nickel, 6% Manganese, 5% Molybdenum F49 S34565
32% Nickel, 27% Chromium with columbium F56 S33228
24% Chromium, 20% Nickel, 6% Molybdenum, 2% Tungsten with Nitrogen F58 S31266
21% Chromium, 25% Nickel, 6.5% Molybdenum F62 N08367
18% Chromium, 20% Nickel, 5.5% silicon F63 S32615
17.5% Chromium, 17.5% Nickel, 5.3% silicon F64 S30601
21% Chromium, 26% Nickel, 4.5% Molybdenum 904LG F904L N08904
25% Chromium, 6% Nickel, modified with Nitrogen F50 S31200
22% Chromium, 5.5% Nickel, modified with Nitrogen F51 S31803
26% Chromium, 3.5% Nickel, 1.0% Molybdenum F52 S32950
25% Chromium, 7% Nickel, 4% Molybdenum, modified with Nitrogen 2507G F53 S32750
25% Chromium, 7% Nickel, modified with Nitrogen and Tungsten F54 S39274
25% Chromium, 7% Nickel, 3.5% Molybdenum, modified with Nitrogen and Tungsten F55 S32760
26% Chromium, 7% Nickel, 3.7% Molybdenum F57 S39277
25% Chromium, 6.5% Nickel, 4% Molybdenum with Nitrogen F59 S32520
22% Chromium, 5.5% Nickel, 3% Molybdenum, modified with Nitrogen 2205G F60 S32205
26% Chromium, 6% Nickel, 3.5% Molybdenum with Nitrogen and copper 255G F61 S32550
29% Chromium, 6.5% Nickel, 2% Molybdenum with Nitrogen F65 S32906
22% Chromium, 2.0% Nickel, 0.25% Molybdenum with Nitrogen F66 S32202
25% Chromium, 6% Nickel, 3% Molybdenum, with Nitrogen and Tungsten F67 S32506
23% Chromium, 4% Nickel, with Nitrogen F68 S32304