1. Nearest
Grade Chemical Comosition - Per cent
Equivalent Specification
C Mn P S Si Other
AISI Max Max Max Max Max Cr Ni Mo Element t.s. En
301 0.15 2.0max 0.045 0.040 1.0 16"0/1 8.0 6.0/8.0 1OCr 17Ni7
302 0.15 2.0 0.045 0.030 1.0 17.0t19.0 8.0/10.0 07Cr18Ni9 En-5BA
303 0.15 2.0 0.045 1.0 17.0119.0 8.0/10.0 15Cr'18Ni9 En-5BM
304 0.08 2.0 0"045 0.030 1.0 18.0/20.0 8.0/10.0 04C118Ni10 En-58E
3041 0.030 2.0 0.045 0.030 1.0 18.0t20.0 8.0/10.0 02Cr18Ni11
308 0.08 2.0 0.040 0.030 '1.0 10.02121.0 10.0112.0
309 0.20 2.O max 0 045 0.030 1.0 22.0t24.0 12.0t15.0 20Cr24Ni12
309S 0.08 2.0 0.045 0.030 1.0 22.0t24.0 12.0t15.0
310 0.25 2.0 0.045 0.030 1.50 24.0t26.0 19 0t22.O 10Cr25Ni12
3'10S 0.08 2.0 0.045 0.030 1.50 24.0t26.0 19.0t22.0
314 o.25 2.0 0.040 0.030 ',l.5 to i 25.Ot26.O 19.Ot22.0
316 0.08 2.0 0.045 0.030 1.0 16.0/18.0 10.0/14.0 2.013.0 04C117Ni12Mo2 En SBH
31 6L 0.030 2.0 0.045 0.030 1.0 16.0/18.0 10.0/14.0 2.013.0 03Cr17Ni12Mo2
317 0.08 2.0 0.045 0.030 1.0 '18.0/20.0 11 .0/15.0 3.Ol4.O
317L 0.030 2.O 0.045 0.030 1.0 18.Ot20.O 11 .0/1 5,0 3.0/4.0 Tiy5 c Min
316TI 0.080 2.0 0.045 0.030 1.0 16.0/18.0 10.0t14.0 2.0t3.0 Ti5 x Cmin
321 0.08 2.0 0.045 0.030 1.0 17.Ot19.O 9.Ot12.O TiS x Cmin 04C11BNi1OTi20 En-58C
u7 0.08 2.0 0.045 0.030 1.0 17.0119.0 9.Ot12.0 Nb/Tal0xCmin 04Cr18Ni10Nb-40 En-58G
430 0.12 1.0 0.040 0.030 0.75 14.0t18.0 0.60 07Cr17 En-60
446 0.20 1.50max 0.040 0.030 1.0 23.0t27.0 0.60max N-25max
403 0.15 1.0 0.040 0.030 0.50 11.5t13.0 0.60
410 0.15 1.0 0.040 0.030 1.0 11.5t13.s 0.60 12Cr13 En-58A
410S 0.08 1.0 0.040 0.030 1.0 11"5t13.5 0.60max
414 0.15 1.0max 0.040 0.030 1.0 11.5t13.5 1.25t2 50
420 over- 1 5 1.0 0.040 0.030 1.0 12.0t14.0 0.60 22Cr13 En56C&D
431 0.20 1.Omax 0.040 0.030 1.0 15.Ot17.O 1.25t2.50 0.75max 15Cr16Ni2 En-57
4404 0.60/0.70 1.0 0.040 0.030 1.0 16t18
4408 0.75 1.0 0.040 0.030 1.0 16.0i 18.0 0.75max
409 0.08 1.0 0.045 0.030 1.0 10.5111.75 0.50max 6x%cmin.75max
440C 0.95 1.0 0.040 0.030 1.0 16118 0.75max
409M 0.028 0.811 .2 0.030 0.030 4Oto.7{ 11.0t12.0 0.75 T10.25t0.75
446 0.20 1.50 0.040 0.030 1.0 23.0/30.0 0.50 N0.25max
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