GRADES AND CHEMICAL COMPOSITION OF METAL ALLOYS

Martensitic Stainless Steel
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
1 410 S41000 A240 410 MAX0.15 1.0MAX 11.50~13.0 1.0 MAX 0.5 max 0 0 0 0
2 420 S42000 A580/A176/A276 0.15~.36 1.0max 12.00~14.00 1.0max 0 0 0.04 1.0 max 0.03
3 431 S43100 A276-98B 0.12~0.2 1.0max 15.0~18.0 1.25~3.0 0.04max 1.0max 0.03max
4 440C S44004 A276 0.95~1.20 1.0max 16.0~18.0 1.0max 0.0~0.75 0.04 max 1.0 max 0.03 max
5 F6NM J91540 A352 A487 A743 CA6NM 0.06 max 1.0 max 11.5~14.0 3.5~4.5 0.4~1.0 1.0 max
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
Austenitic Stainless Steel
6 304 S30400 A240/A666 ≤0.07 ≤2.0 17.50~19.50 8.0~10.50 0.045 max ≤1.0 ≤0.015 ≤0.11
7 304L S30403 A240/A666 ≤0.03 ≤2.0 17.50~19.50 8.0~10.50 0.045 max ≤1.0 ≤0.015 ≤0.11
8 316 S31600 A240/A666 ≤0.05 ≤2.0 16.50~18.50 10.50~13.0 2.0~3.0 0.045 max ≤1.0 ≤0.015 ≤0.11
9 316L S31603 A240/A666 ≤0.03 ≤2.0 16.50~18.50 10.0~13.0 2.0~3.0 0.045 max ≤1.0 ≤0.015 ≤0.11
10 317 S31700 A351/A743 ≤0.08 ≤2.0 18.0~20.0 11.0~15.0 3.0~4.0 0.045 max ≤0.75 ≤0.03 ≤0.10
11 317L S31703 A351/A743 ≤0.03 ≤2.0 17.50~19.50 13.0~16.0 3.0~4.0 0.045 max ≤1.0 ≤0.015 ≤0.11
12 347 S34700 A351/A743 ≤0.08 ≤2.0 17.0~19.0 9.0~12.0 0.045 max ≤1.0 ≤0.015 Nb:10xC~1.0
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
Precepitation Hardening Stainless Steel
13 17-4PH S17400 ≤0.07 ≤1.0 15.0~17.50 3.0~5.0 3.0~5.0 0.04 max ≤1.0 ≤0.03 Nb: 0.15~0.45
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
Ni Resist
14 NiMn 13 7 … ≤3.0 6.0~7.0 0.2 max 12.0~14.0 1.5~3.0
15 NiResist 1 F41000 A436-84 Type 1 ≤3.0 0.5~1.5 1.5~2.5 13.5~17.5 5.5~7.5 1.0~2.8
16 NiResist 1b F41001 A436-84 Type 1 b ≤3.0 0.5~1.5 2.5~3.5 13.5~17.5 5.5~7.5 1.0~2.8
17 NiResist 2 F41002 A436-84 Type 2 ≤3.0 0.5~1.5 1.5~2.5 18.0~22.0 0.5 max 1.0~2.8
18 NiResist 2b F41003 A436-84 Type 2b ≤3.0 0.5~1.5 3.0~6.0 18.0~22.0 5.0 max 1.0~2.8
19 Nicrosil-al ≤2.5 0.5~1.5 1.5~4.5 18.0~22.0 3.5~5.5
20 NiResist 3 F41004 A436-84 Type 3 ≤2.6 0.5~1.5 2.5~3.5 28.0~32.0 0.5 max 1.0~2.c
21 NiResist 4 F41005 A436-84 Type 4 ≤2.6 0.5~1.5 4.5~5.5 29.0~32.0 0.5 max 5.0~6.c
22 NiResist 5 F41006 A436-84 Type 5 ≤2.4 0.5~1.5 0.1 max 34.0~36.0 0.5 max 1.0~2.c
23 NiResist 6 A439-84 Type 6 ≤3.0 0.5~1.5 1.0~2.0 18.0~22.0 1.0 max 3.5~5.5 1.5~2.5
24 NiResist D-2 F43000 A439-83 A571-84 Type D-2 ≤3.0 0.7~1.25 1.75~2.75 18.0~22.0 0.5 max 1.0~3.0
25 NiResist D-2 W ≤3.0 0.5~1.5 1.5~2.20 18.0~22.0 0.5 max 1.5~2.5 Nb: 12~20
26 NiResist D-2 B F43001 A439-83 A571-84 Type D-2B ≤3.0 0.7~1.25 2.75~4.0 18.0~22.0 0.5 max 1.5~3.0
27 Nicrosilal Spheronic ≤3.0 0.5~1.5 1.0~2.5 18.0~22.0 0.5 max 4.5~5.5
28 NiResist D-2 C F43002 A439-83 A571-84 Type D2-C ≤2.9 1.8~2.4 0.5 max 21.0~24.0 0.5 max 1.0~3.0
29 NiResist D-2 M A439-83 A571-84 Type D2-M ≤2.6 3.75~4.50 0.2 max 22.0~24.0 0.5 max 1.5~2.5
30 NiResist D-3 A A439-83 A571-84 Type D3-A ≤2.6 1.0 max 1.0~1.5 28.0~32.0 0.5 max 1.0~2.8
31 NiResist D-3 F43003 A439-83 A571-84 Type D3 ≤2.6 1.0 max 2.5~3.5 28.0~32.0 0.5 max 1.0~2.8
32 NiResist D-4A ≤2.6 0.5~1.5 1.5~2.5 29.0~32.0 0.5 max 4.0~6.0
33 NiResist D-428 A439-83 A571-84 Type D-4 ≤2.6 1.0 max 4.5~5.5 .0~32.0 0.5 max 5.c~6.0
34 NiResist D-534 A439-83 A571-84 Type D-5 ≤2.4 1.0 max 0.1 max 0~36.0 0.5 max 1.0~2.8
35 NiResist D-5B F43007 A439-83 A571-84 Type D-5B ≤2.4 1.0 max 2.0~3.0 34.0~36.0 0.5 max 1.0~2.8
36 NiResist D-5S A439-83 A571-84 Type D-5S ≤2.3 1.0 max 1.15~2.25 34.0~37.0 0.5 max 4.5~5.5
37 NiResist D-6 ≤3.0 6.0~7.0 0.2 max 12.0~14.0 0.5 max 2.0~3.0
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
Ni Hard
38 NiHard Type 1 JN2030 A532 Class 1  Type A 3.20~3.60 0.20~0.80 1.5~3.0 3.0~5.0 050 max 0.15 max 0.30~0.80 0.12 max
39 NiHard Type 2 JN2020 A532 Class 1  Type B 2.80~3.20 0.20~0.80 1.5~3.0 3.0~5.0 0.50 max 0.15 max 0.30~0.80 0.12 max
40 NiHard Type 4 JN2040 A532 Class 1 Type D 3.20~3.60 0.20~0.80 8.0~10.0 4.0~5.0 0.50 max 0.15 max 1.50~2.20 0.12 max
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
Cast iron
41 FG/Ht 350
42 FG/HT300 2.9`3.2 0.9~1.1 0.15 max 1.2~1.5 0.10 max
43 FG/HT260/250 A48 Class 35 2.9`3.2 0.9~1.1 0.15 max 1.3~1.6 0.12 max
44 FG/HT200 A48 Class 30 3.1~3.4 0.8~1.0 0.15 max 1.5~1.8 0.12 max
45 FG/HT150 A48 Class 20 3.2~3.5 0.5~0.58 0.2 max 1.9~2.3 0.12 max
46 iso 400-18 F32800 A536 60-40-18 3.50~3.78 0.2~0.5 0.03~0.06 2.80~2.85 0.02~0.04
47 iso450-10 F33100 A536 65-42-12 3.30~3.80 0.2~0.5 0.03~0.06 2.40~2.90 0.02~0.04
48 iso 500-7 A536 70-50-05 3.20~3.60 0.4~0.6 ≤0.4 0.03~0.06 2.30~2.90 0.02~0.04
49 iso 600-3 A536 80-60-03 3.00~3.50 0.3~0.5 0.30~0.40 0.03~0.06 2.40~2.80 0.02~0.04
50 iso 700-2 F34800 A536 100-70-03 3.65~3.90 0.3~0.5 0.30~0.40 ≤0.06 1.70~1.90 ≤0.03 Sn: 0.03~0.06
51 iso 800-2 F36200 A536 120-90-02
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
HEAT RESISTANCE STAINLESS STEEL
52 HC 446 J92605 A297 0.5 1 26.0~30.0 4.0MAX 0.5
53 HD 327 J93005 A297 0.5 1.5 26.0~30.0 4.0~4.7 0.5
54 HE 312 J93403 A297 0.2~0.5 2 26.0~30.0 8.0~11.0 0.5
55 HF 302 J95603 A297 0.2~0.4 2 18.0~23.0 8.0~12.0 0.5
56 HH 309 J93503 A297/A447 0.2`0.5 2 24.0~28.0 11.0~14.0 0.5
57 HT 310H N08002 A531 0.35~0.75 2 15.0~19.0 33.0~37.0 0.5
58 HK40 330 L94204 A297 0.35~0.45 1.5 23.0~27.0 19.0~22.0 0.5
59 HU N08004 A297 0.35~0.75 2 17.0~21.0 37.0~41.0 0.5
60 HW N08001 A297 0.35~0.75 2 10.0~14.0 58.0~62.0 0.5
61 HX A297 0.35~0.75 2 15.0~19.0 64.0~68.0 0.5
62 HG10MNM J92604 A297 0.07~0.11 3.0~5.0 18.5~20.5 11.05~13.5 0.25~0.45
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
Nickel base alloy
63 CW6MZ N30107 A494 0.07 1 17.0 – 20.0 Bal 17.0 – 20.0 3
64 CW6MC IN625 N26625 A494 0.06 1 20.0 – 23.0 Bal 8.0 – 10.0 5
65 CW12MW Hastealloy C N30002 A494 0.12 1 15.5 – 17.5 Bal 16.0 – 18.0 4.5 – 7.5
66 CY40 Inocnel 600 N06040 A494 CY 40 0.4 1.5 14.0 – 17.0 Bal 11
67 CZ100 Nickel 200 N02100 A494 1 1.5 95 min 3 1.25
68 M35-1 Monel 400 N24135 A494 M35-1 0.35 1.5 Bal 3.5 26.0 –
69 M35-2 Monel 400 N04020 A494 0.35 1.5 Bal 3.5 max 26.0 – 33.0
70 M30H N24030 A494, QQ-N-288 Comp B 0.3 1.5 Bal 3.5 27.0 – 33.0
71 M25S N24025 A494, QQ-N-288 Comp D 0.25 1.5 Bal 3.5 27.0 – 33.0
72 M30C Monel 401 N24130 A494, QQ-N-288 Comp E 0.3 1.5 Bal 3.5 26.0 – 33.0
73 N7M B2 N30007 A494 0.07 1 1 Bal 30.0 – 33.0 3
74 N12MV Hastealloy B N30012 A494 0.12 1 1 Bal 26.0 – 30.0 4.0 – 6.0
75 ILLIUM 8 N26055 A494 0.05 1.5 11.0 – 14.0 Bal 2.0 – 3.5 2
76 ILLIUM B A494 CY5SNnBiM 0.07 1.5 26.0 – 30.0 Bal 7.5 – 9.5 2.5 4.0 – 6.5
77 ILLIUM F Hastealloy G N06007 0.12 1.0 – 2.0 21.0 – 23.0 5.5 – 7.5 1.5 – 2.5
78 ILLIUM GX Hstealloy X 0.02 1 20.5 – 23.0 8.0 – 10.0 17.0 – 20.0
SR NO CAST Other Common designation UNS ASTM C Mn Cr Ni Mo Fe Cu P Si S N Others
Manganese Steel
79 IS Gr. 1  J91109  A128 1.05~1.35 11.0~14.0 0.09 max 1.0 max 0.06 max
80 IS Gr. 2  J91119  A128 B-1 0.9~1.05 11.5~14.0 0.09 max 1.0 max 0.06 max
81 IS Gr. 3  J91309  A128 C 1.05~1.35 11.5~14.0 1.5~2.5 0.09 max 1.0 max 0.06 max
83 IS Gr. 4  J91459  A128 D 0.70~1.30 11.5~14.0 3.0~5.0 0.09 max 1.0 max 0.06 max
84 IS Gr. 5  J91339  A128 E-2 1.05~1.45 11.5~14.0 1.8~2.1 0.09 max 1.0 max 0.06 max
85 IS Gr. 6  J91340  A128F 1.05~1.35 6.0~8.0 0.9~1.2 0.09 max 1.0 max 0.06 max

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