GRADE

MASTER LIST OF GRADES

STANDARD CHEMICAL COMPOSITION

S.NO GRADE C% MN% SI% S% P% Cr% Ni% Mo% V% Cu% Ti% Al% B% REFERENCE STANDARD HARDNESS
1 15C8 0.10-0.20 .60-.90 .15-.35 .05 Max .05 Max - - - - - - - - 130-150 BHN
2 35C8 .30-.40 .60-.90 .15-.35 .05 Max .05 Max - - - - - - - - 160-200BHN
3 C20 .15-.25 .60-.90 .15-.35 .05 Max .05 Max - - - - - - - - 120-150 BHN
4 C-30 .25-.35 .60-.90 .15-.35 .05 Max .05 Max - - - - - - - - 160-190 BHN
5 C-35 .30-.40 .60-.90 .15-.35 .05 Max .05 Max - - - - - - - - 170-200 BHN
6 C40 .35-.45 .60-.90 .15-.35 .05 Max .05 Max - - - - - - - - 170-210 BHN
7 C45 .40-.50 .60-.90 .15-.35 .05 Max .05 Max - - - - - - - - 180-210 BHN
8 C50 .45-.55 .60-.90 .15-.35 .05 Max .05 Max - - - - - - - - 180-220 BHN
9 EN8 0.35-0.45 .60-1.00 .10-.35 .05 Max .05 Max - - - - - - - - 170-200 BHN
10 EN8D 0.40-0.45 .70-0.90 .10-.35 .05 Max .05 Max - - - - - - - - 180-210 BHN
11 EN9 0.50-0.60 .50-.80 .15-.35 .05 Max .05 Max - - - - - - - - 180-230 BHN
12 CLASS -I .050-0.15 0.60-0.90 .15-.35 .05 Max .05 Max 110-125 BHN
13 CLASS -II 0.19-0.24 0.60-0.90 .15-.35 .04Max .04 Max 130-150 BHN
14 CLASS-III 0.25-0.35 0.60-0.90 0.15-0.35 .04Max .04 Max 170-210 BHN
15 CLASS-IV 0.42-0.46 0.70-0.90 0.15-0.35 .04Max .04 Max 190-207 BHN
16 EN32B 0.10-0.18 .60-1.0 .05-.35 .05 Max .05 Max - - - - - - - - 130-160 BHN
17 SAE 1008 0.10 Max 0.30-0.50 0.10 Max .05 Max .04 Max - - - - - - - - 120-150 BHN
18 SAE 1010 0.08-0.13 0.30-0.60 0.05-0.35 0.035 Max 0.035 Max - - - - - - - - 120-140 BHN
19 SAE-1018 0.15-0.20 0.60-0.90 .15-.35 0.035 Max 0.035 Max - - - - - - - - 130-160 BHN
20 SAE-1020 0.18-0.23 0.30-0.60 .15-.35 .05 Max .04 Max - - - - - - - - 130-150 BHN
21 SAE-1025 0.22-0.28 0.30-0.60 .15-.35 .05 Max .04 Max - - - - - - - - 130-160 BHN
22 SAE-1040 0.37-0.44 0.60-0.90 .15-.35 .05 Max .04 Max - - - - - - - - 170-200 BHN
23 SAE-1045 0.43-0.50 0.60-0.90 .15-.35 .05 Max .04 Max - - - - - - - - 170-230 BHN
24 SAE-1050 0.48-0.55 0.60-0.90 .15-.35 .05 Max .04 Max - - - - - - - - 180-220 BHN
25 ASTM-105 0.35 Max 0.6-1.0 .10-.35 .05 Max .04 Max - - - - - - - - 130-180 BHN
Carbon Mangnese Steel
26 20MN2 0.16-0.24 1.30-1.70 .10-.35 0.035 Max 0.035 Max - - - - - - - - 140-170 BHN
27 27MN2 0.22-0.32 1.30-1.70 .10-.35 0.035 Max 0.035 Max - - - - - - - - 150-180 BHN
28 EN15 0.30-0.40 1.30-1.70 .10-.35 0.035 Max 0.035 Max - - - - - - - - 180-220 BHN
29 SAE-1541 0.38-0.43 1.30-1.70 0.10-0.35 0.035 Max 0.035 Max - - - - - - - - 190-230 BHN
30 SAE-1524 0.19-0.25 1.35-1.65 0.15-0.35 0.035 Max 0.035 Max - - - - - - - - 140-170BHN
31 ST-52.3 0.16-0.22 1.30-1.65 0.15-0.35 0.035 Max 0.035 Max - - - - - - - - 150-190BHN
Case Hardening Steel
32 16MNCR5 0.14-0.19 1.0-1.3 0.10-0.40 0.035 Max 0.035 Max 0.80-1.10 - - - - - - - 170-190 BHN

MASTER LIST OF GRADES

CHEMICAL COMPOSITION

S.NO GRADE C MN SI S P Cr Ni Mo V Cu Ti Al B REFERENCE STANDARD HARDNESS
33 20MNCR5 0.17-0.22 1.10-1.40 0.15-0.40 0.035 Max 0.035 Max 1.0-1.30 - - - - - - - 170-210 BHN
34 15CR3 0.12-0.18 0.40-0.60 0.15-0.40 0.035 Max 0.035 Max 0.40-0.70 - - - - - - - 160-200 BHN
35 SAE-8617 0.15-0.20 0.70-0.90 0.15-0.35 0.035 Max 0.035 Max 0.40-0.60 0.40-0.70 0.15-0.25 - - - - - 160-200 BHN
36 SAE-8620 0.18-0.23 0.70-0.90 0.15-0.35 0.035 Max 0.035 Max 0.40-0.60 0.40-0.70 0.15-0.25 - - - - - 165-210 BHN
37 EN-351 0.10-0.20 0.6-1.0 0.15-0.035 0.035 Max 0.035 Max 0.40-0.80 0.60-1.0 .10 Max - - - - - 170-200 BHN
38 EN-353 0.20 Max 0.5-1.0 0.05-0.035 0.035 Max 0.035 Max 0.75-1.25 1.0-1.5 0.08-0.15 - - - - - 180-215 BHN
Ball Bearing Steel
39 EN-31 0.9-1.20 0.30-0.75 0.15-0.35 0.035 Max 0.035 Max 1.0-1.6 - - - - - - - 290-340 BHN
40 SAE-52100 0.98-1.10 0.25-0.45 0.15-0.30 0.025 Max 0.025 Max 1.30-1.60 - - - - - - - 290-340 BHN
41 SUP9 0.52-0.58 0.65-0.95 0.15-0.35 0.030 Max 0.030 Max 0.65-0.95 - - - - 200-240 BHN
42 SUP11 0.48-0.53 0.75-1.00 0.15-0.30 0.035 Max 0.04 Max 0.40-0.60 - - - 0.0005-0.003 230-260 BHN
Free/ Semi Free Cutting Steel
43 EN-1A 0.07-0.15 0.8-1.2 0.10 Max 0.20-0.30 0.07 Max - - - - - - - - 130-140 BHN
44 SAE -1141 0.37-0.45 1.35-1.65 0.15-0.35 0.08-0.13 0.040 MAX 190-240 BHN
45 EN-15AM 0.30-0.40 1.30-1.70 0.25 Max 0.12-0.2 0.06 - - - - - - - - 180-230 BHN
46 EN-8M 0.35-0.45 1.0-1.3 0.25 Max 0.12-0.20 0.06 - - - - - - - - 170-200 BHN
Oil hardening Steel
47 40CR4 0.38-0.44 0.60-0.90 0.15-0.35 0.035 Max 0.035 Max 0.90-1.20 - - - - - - - 230-255 BHN
48 41CR4 0.38-0.45 0.60-0.90 0.15-0.35 0.035 Max 0.035 Max 0.90-1.20 - - - - - - - 230-260 BHN
49 25CRMO4 0.24-0.29 0.50-0.90 0.15-0.40 0.035 Max 0.035 Max 0.90-1.20 - 0.15-0.30 - - - - - 240-260 BHN
50 31CR4 0.28-0.35 0.60-0.90 0.15-0.35 0.035 Max 0.035 Max 0.90-1.20 - - - - - - - 220-250BHN
51 42CRMO4 0.38-0.45 0.60-0.80 0.15-0.35 0.035 Max 0.035 Max 0.90-1.20 - 0.15-0.30 - - - - - 280-310 BHN
52 SAE-4140 0.38-0.43 0.75-1.0 0.15-0.35 0.035 Max 0.035 Max 0.90-1.20 - 0.15-0.25 - - - - - 280-310 BHN
53 SCM-415 0.13-0.18 0.60-0.85 0.15-0.35 0.040 Max 0.050MAX 0.90-1.20 0.15-0.30 260-290 BHN
54 SCM 420 0.18-0.23 0.60-0.85 0.15-0.35 0.040 Max 0.040MAX 0.90-1.20 0.15-0.30 260-290 BHN
55 SCM-435 0.33-0.38 0.60-0.90 0.15-0.35 0.035 Max 0.035 Max 0.90-1.20 - 0.15-0.30 - - - - - 260-290 BHN
56 B16 0.36-0.47 0.45-0.70 0.15-0.35 0.035 Max 0.035 Max 0.80-1.15 - 0.50-0.65 - - - - - 250-280 BHN
57 31CRV3 0.28-0.35 0.40-0.60 0.25-0.40 0.035 Max 0.035 Max 0.40-0.70 - - 0.07-0.12 - - - - 190-230 BHN
58 34CR4 0.32-0.37 0.60-0.90 0.15-0.35 0.035 Max 0.035 Max 0.90-1.20 - - - - - - - 220-260BHN
59 EN-16 0.30-0.40 1.30-1.80 0.10-0.35 0.035 Max 0.035 Max - - 0.20-0.35 - - - - - 210-235 BHN
60 EN-18 0.35-0.45 0.60-0.90 0.10-0.35 0.035 Max 0.035 Max 0.85-1.15 - - - - - - - 230-260 BHN
61 EN-19 0.35-0.45 0.50-0.80 0.10-0.35 0.035 Max 0.035 Max 0.90-1.50 - 0.20-0.40 - - - - - 290-320 BHN
62 EN-24 0.35-0.45 0.45-0.70 0.10-0.35 0.035 Max 0.035 Max 0.90-1.40 1.30-1.80 0.20-0.35 - - - - - 310-350BHN
63 EN-36C 0.12-0.18 0.30-0.60 0.10-0.35 0.035 Max 0.035 Max 0.60-1.10 3.0-3.75 0.10-0.25 - - - - - 240-270 BHN
64 EN-45A 0.55-0.65 0.70-1.00 1.70-2.0 0.035 Max 0.035 Max - - - - - - - - 250-290 BHN

MASTER LIST OF GRADES

CHEMICAL COMPOSITION

S.NO GRADE C% MN% SI% S% P% Cr% Ni% Mo% V% Cu% Ti% Al% B% REFERENCE STANDARD HARDNESS
65 SAE-4042 0.40-0.45 0.70-0.90 0.15-0.35 0.035 Max 0.035 Max - - 0.2-0.3 - - - - - 250-280BHN
66 EN-47 0.45-0.55 0.50-0.80 0.50 Max 0.040 Max 0.040 Max 0.80-1.20 - - 0.15 Min - - - - 280-350BHN
Boron Steel
67 10B-21 0.18-0.23 0.80-1.20 0.15-0.35 0.035 Max 0.035 Max - - - - 0.0005-0.003 130-150 BHN
68 15B-25 0.19-0.25 1.35-1.65 0.15-0.30 0.035 Max 0.035 Max - - - - 0.0005-0.003 150-180 BHN
69 27MNCRB5 0.24-0.30 1.10-1.40 0.040 Max 0.040 Max 0.035 Max 0.30-0.60 - - - 0.00008-0.005 230-270 BHN
70 15B-41 0.38-0.43 1.30-1.70 0.10-0.35 0.035 Max 0.035 Max - - - - 0.0005-0.003 190-240 BHN
Austenitic Stainless Steel
71 AISI-304 0.08 Max 2.0 Max 1.0 Max 0.04 Max 0.045 Max 18.0-20.0 8.0-10.5 - - - -
72 AISI-316 0.08 Max 2.0 Max 1.0 Max 0.04 Max 0.045 Max 16.0-18.0 10.0-14.0 2.0-3.0 - - -
Martensitic stainless steel
73 AISI-410 0.15 Max 1.0 Max 1.0 Max 0.03 Max 0.04 Max 11.5-13.5 - - - - 330-370
74 AISI-420 0.15 Max 1.0 Max 1.0 Max 0.03 Max 0.04 Max 12.0-14.0 - - - - 340-380
75 AISI-431 0.20 Max 1.0 Max 1.0 Max 0.03 Max 0.04 Max 15.0-17.0 1.25-2.50 - - - 380-410
Tool Steel
76 H11 0.32-0.42 0.30-0.40 0.85-1.15 0.035 Max 0.035 Max 4.75-5.25 - 1.25-1.75 0.30-0.50 - 340-380
77 H13 0.37-0.43 0.30-0.40 0.90-1.20 0.035 Max 0.035 Max 4.80-5.50 - 1.20-1.50 0.90-1.10 - 340-380
78 D2 1.4-1.6 0.30-0.50 0.30-0.50 0.035 Max 0.035 Max 11.0-13.0 - 0.70-1.20 0.70-0.80 - -
79 D3 2.0-2.25 0.30 Max 0.30 Max 0.035 Max 0.035 Max 11.0-13.0 - - - - -
Hot Forging Die Blocks
80 DB6 0.50-0.60 0.65-0.80 0.15-0.35 0.035 Max 0.035 Max 1.0-1.20 1.55-1.70 0.40-0.50 0.07-0.15 - -

Sharu Special Alloys Pvt. Ltd. (SSAPL), founded in 2007, has been dedicated to meeting the steel forging needs of various industries. Under the visionary leadership of Mr. Naresh Kumar Jain, the Managing Director of SSAPL, the company has placed a strong emphasis on market leadership through technological advancement. Today, SSAPL stands as a prominent market leader in its respective business segments.

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Vill. Gobindgarh, Adj. Phase - VII, Focal Point, Ludhiana - 141010 (Punjab)
+91-78888-28158, +91 78888-28645
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