Iron Base & Stainless Steel


Common Alloy NameIndustry SpecificationsNominal Composition (Percent %)
302 AMS5688, MS20995C, NASM20995C Fe, 18 Cr, 9 Ni
304AMS5697, MS20995C, NASM20995C Fe, 19 Cr, 9.5 Ni
305AMS5685, AS5685 Fe, 18 Cr, 11.5 Ni
307 AWS A5.9 ER307 Fe, 4 Mn, 0.5 Si, 20.5 Cr, 9.5 Ni, 1 Mo
308, 18/8 AWS A5.9 ER308, 308Si, 308H, 308L, 308LSi, 308Mo, 308LMo; MSRR9500/2 Fe, 1.5 Mn, 0.5 Si, 20.5 Cr, 10 Ni
309AWS A5.9 ER309, 309Si, 309L, 309Lsi, 309Mo, 309LMo Fe, 1.5 Mn, 0.5 Si, 24 Cr, 13 Ni
310 AMS5694, AWS A5.9 ER310 Fe, 27 Cr, 21.5 Ni
312 (29-9) AMS5784, AWS A5.9 ER312; MSRR9500/212 Fe, 29 Cr, 9.5 Ni
316 AMS5690, AMS5692, AWS A5.9 ER316, 316Si, 316H, 316L, 316LSi, 316LMn; MSRR9500/208 Fe, 19 Cr, 12.5 Ni, 2.5 Mo
317 AWS A5.9 ER317, 317L Fe, 1.5 Mn, 0.5 Si, 19.5 Cr, 14 Ni, 3.5 Mo
318AWS A5.9 ER318, MSRR9500/6 Fe, 1.5 Mn, 0.5 Si, 19 Cr, 12.5 Ni, 2.5 Mo
320LR (20Cb3) AWS A5.9 ER320, ER320LR Fe, 1.75 Mn, 20 Cr, 34 Ni, 2.5 Mo, 3.5 Cu, 0.4 Cb (Nb)
321AMS5689, AWS A5.9 ER321 Fe, 18 Cr, 10.5 Ni, 0.4 Ti
330AWS A5.9 ER330 Fe, 1.5 Mn, 0.5 Si, 16 Cr, 35.5 Ni, 0.22 C
347AMS5680, AWS A5.9 ER347, 347Si; MSRR9500/207 Fe, 18.5 Cr, 11 Ni, 0.4 Cb (Nb)
349 (19-9 W Mo) AMS5782, MSRR9500/211 Fe, 20.5 Cr, 9 Ni, 0.5 Mo, 1.5 W, 1.2 Cb (Nb), 0.2 Ti
409AWS A5.9 ER409, 409Nb Fe, 12 Cr, 0.8 Ti, 0.8 Cb (Nb)
410AMS5776, AWS A5.9 ER410, 410NiMo; MSRR9500/205 Fe, 12.5 Cr
410 Modified AMS5821 Fe, 12 Cr
Greek Ascoloy (418)AMS5817Fe, 13 Cr, 2 Ni, 3 W
420AMS5621, AWS A5.9 ER420 Fe, 13 Cr, 0.3-0.4 C
430 AWS A5.9 ER430 Fe, 16 Cr
2209 AWS A5.9 ER2209 Fe, 22.5 Cr, 8.5 Ni, 3 Mo, 1.25 Mn, 0.14 N
2594 AWS A5.9 ER2594 Fe, 25.5 Cr, 9.25 Ni, 3 Mo, 0.25 N
PH 13-8 M AMS5840 Fe, 13 Cr, 8 Ni, 2.3 Mo, 1.1 Al
15-5PH AMS5826 Fe, 15 Cr, 5.1 Ni, 0.3 Cb (Nb), 3.2 Cu
WPH 15-7 Mo AMS5812, AMS5813 Fe, 15 Cr, 7.1 Ni, 2.4 Mo, 1 Al
17-4PH (630) AMS5825, AWS A5.9 ER630, MSRR9500/240 Fe, 16.4 Cr, 4.8 Ni, 0.22 Cb (Nb), 3.6 Cu
17-4PH (VM) AMS5803Fe, 16.4 Cr, 4.8 Ni, 0.22 Cb (Nb), 3.6 Cu
17-7PH AMS5824, MSRR9500/251Fe, 17 Cr, 7.1 Ni, 1 Al
A286 AMS5804, MSRR9500/233Fe, 15 Cr, 25.5 Ni, 1.3 Mo, 2.2 Ti, 0.006 B, 0.3 V
A286 (VM) AMS5805, MSRR9500/234 Fe, 15 Cr, 25.5 Ni, 1.2 Mo, 2.1 Ti, 0.004 B, 0.3 V
Nitronic 40 (21-6-9)AMS5818, AWS A5.9 ER219Fe, 9 Mn, 20 Cr, 6.2 Ni, 0.2 N
Nitronic 50AMS5764, AWS A5.9 ER209Fe, 5 Mn, 22 Cr, 12.5 Ni, 2.2 Mo, 0.2 Cb (Nb), 0.3 N, 0.2 V
Nitronic 60AMS5848, AWS A5.9 ER218Fe, 8 Mn, 4 Si, 17 Cr, 8.5 Ni, 0.13 N
240AWS A5.9 ER240Fe, 12 Mn, 18 Cr, 5 Ni, 0.2 N
Custom 450 AMS5773 Fe, 15 Cr, 6.5 Ni, 0.75 Mo, 0.3 Cb (Nb), 1.5 Cu
Custom 455 AMS5617 Fe, 12 Cr, 8.5 Ni, 1.2 Ti, 2 Cu
AM-350 AMS5774Fe, 16.5 Cr, 4.5 Ni, 2.9 Mo, 0.1 N
AM-355 AMS5780, MSRR9500/210 Fe, 15.5 Cr, 4.5 Ni, 2.9 Mo, 0.1 N
N-155 (Multimet) AMS5794, MSRR9500/21431 Fe, 21 Cr, 20 Ni, 20 Co, 3 Mo, 2.5 W, 1 Cb (Nb), 0.15 N
Jethete™ M-190 AMS5823, MSRR9500/10Fe, 11.8 Cr, 2.8 Ni, 1.6 Co, 1.8 Mo, 0.32 V
Haynes® 556AMS5831, AWS A5.9 ER355629 Fe, 22 Cr, 21 Ni, 18.5 Co, 3.2 Mo, 2.8 W, 0.78 Ta, 0.3 Al, 0.05 Zr, 0.05 La, 0.2 N
Haynes® is a registered trademark of Haynes International
Jethete™ is a trademark of Allegheny Technologies
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