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STEEL GRADES

CATEGORY	AISI / SAE	DIN	B.S.	JIS
PLAIN CARBON STEEL	1010	CK10	EN2A	S10C
	1015	CK15	EN32B	S15C
	1025	CK25	EN3B	S25C
	1035	CK35	EN8, EN8A	S35C
	1045	CK45	EN43B	S45C
	1055	CK55	EN9	S55C
	1065	CK65	EN43D	S58C
CARBON - Mn STEEL SEMI FREE CUTTING STEEL	1541	28Mn6	EN15	SMn420H
	-	40Mn4	-	SMn433H
	1137, 1141	-	EN15AM	SMn433H, SUM41
CHROME + MANGENSE STEEL	1541	16MnCr5	-	SCR415, SUM420
CHROME + MANGENSE STEEL	-	20MnCr5	-	-
CHROME + NICKEL STEEL	1320	15CrNiM06	EN352	-
LOW CARBON CHROME + NICKEL MOLYSTEEL	-	-	-	-
	8620	-	EN353, EN354	SNCM420H
	4320	17CrNiM06	EN36C, EN	-
	-	-	361, 362, 363	-
CHROME STEEL	5130	34Cr4	EN18A, EN18C	SCR435
CHROME STEEL	5140	41Cr4		SCR440
CHROME + MOLYSTEEL	4130	25CrM04	EN19C	SCM440H
	4135	34CrM04	-	SCM435, SCM420
	4140	42CrM04	-	-
MEDIUM CARBON CHROME + NICKEL + POLYSTEEL	4340	-	EN24	SNCM431, SNCM439 SNCM447
BEARING STEEL	SAE52100	100Cr6	EN31	SUJ1, SUJ2 etc
	SAE5160	-	EN45A	SUP6, SUP9, SUP11

GRADES (As per Indian & Various International Standards)

CARBON AND ALLOYSTEELS (Automobile Sectors)

Carbon Steel

Forging
Boilers
Auto

2 Wheelers
Cars
Tractors

Seamless Tube
Exports

Transmission

Low Alloys

Forging
Auto

2 Wheelers
4 Wheelers

Seamless Tube

High Alloys

Forging
Auto

Heavy Engineering

SPRING STEELS
BALL BEARING STEELS
ANY OTHER SPECIAL GRADES OF STEEL AS PER CUSTOMER'S REQUIREMENTS
PRIMARY ALUMINIUM SMELTERS CATHODE/ANODE STEEL BARS.

SIZE RANGE

AS CAST PRODUCTS

BILLETS :	125 X 125 mm, 160 X 160 mm & 200 X 200 mm Squares
BLOOMS :	240 X 280 mm Rectangles
ROUNDS :	160, 200, 220 mm Dia Rounds

AS ROLLED PRODUCTS

ROUNDS :	30,32,34,36,38,40,42,45,48,50,53,55,56, 58, 60,63,65,68,70,75,80,83,85,90,95,97.5,100, 105,110,115,117.5,120,125,130,135 mm
RCS :	50,55,60,63,65,70,75,85,90,95,100,103,105, 110,118,125,130,136,140,147,150,160,180 mm
RECTANGLES :	180x180, 160x70, 160x140, 150x100, 150x90, 140x100 mm
ANY OTHER SIZE MUTUALLY AGREED.

General Purpose Steels

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
IS 226	M.S.	Min	0.15	0.15	0.30
		Max	0.25	0.35	0.65	0.055	0.055	-	-	-	-

SAE	SAE 1010	Min	0.08	0.15	0.30
		Max	0.13	0.35	0.60	0.040	0.050	-	-	-	-

SAE	SAE 1015	Min	0.13	0.15	0.30
		Max	0.18	0.35	0.60	0.040	0.050	-	-	-	-

SAE	SAE 1018	Min	0.15	0.15	0.60
		Max	0.20	0.35	0.90	0.040	0.050	-	-	-	-

SAE	SAE 1020	Min	0.18	0.15	0.30
		Max	0.23	0.35	0.60	0.040	0.050	-	-	-	-

Flanging Quality Steels

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
IS 1762	Class 1	Min	0.10	0.15	0.60
		Max	0.20	0.35	0.90	0.050	0.050	-	-	-	-

IS 1762	Class II	Min	0.15	0.15	0.60
		Max	0.25	0.35	0.90	0.050	0.050	-	-	-	-

ASTM	A 105	Min	0.18	0.15	0.80
		Max	0.23	0.35	1.05	0.035	0.035	0.30	-	-	-

ASTM	A 350 LF2	Min
		Max	0.30	0.50	1.50	0.035	0.045		-	-	-

High Tensile Steels

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
IS 1570	20Mn2 (HMMS)	Min	0.17	0.15	1.10
		Max	0.22	0.30	1.30	0.050	0.050	-	-	-	-

SAE	SAE 1541	Min	0.36	0.15	1.35
		Max	0.44	0.35	1.65	0.040	0.050	-	-	-	-

Through Hardening Steels

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
BS 970	En 8	Min	0.35	0.15	0.60
		Max	0.45	0.35	1.00	0.050	0.050	-	-	-	-

BS 970	En 8D	Min	0.40	0.15	0.70
		Max	0.45	0.35	0.90	0.050	0.050	-	-	-	-

BS 970	En 9	Min	0.50	0.15	0.50
		Max	0.60	0.35	0.80	0.050	0.050	-	-	-	-

IS 2073	C 45	Min	0.42	0.15	0.60
		Max	0.50	0.35	0.90	0.045	0.045	-	-	-	-

IS 3930	45 C 8	Min	0.42	0.15	0.50
		Max	0.50	0.35	0.80	0.035	0.035	-	-	-	-

SAE	SAE 1045	Min	0.43	0.15	0.60
		Max	0.50	0.35	0.90	0.040	0.050	-	-	-	-

DIN 17200	C 60	Min	0.57	0.15	0.60
		Max	0.65	0.35	0.90	0.045	0.045	-	-	-	-

DIN 17200	C 70	Min	0.65		0.50
		Max	0.70	0.60	0.80	0.055	0.055	-	-	-	-

JIS G 4051	S 55 C	Min	0.52	0.15	0.60
		Max	0.58	0.35	0.90	0.030	0.035	-	-	-	-

Case Hardening Steels

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
DIN 17210	16 Mn Cr 5	Min	0.14	0.15	1.00			0.80
		Max	0.19	0.35	1.30	0.035	0.035	1.10	-	-	-

DIN 17210	20 Mn Cr 5	Min	0.17	0.15	1.10			1.00
		Max	0.22	0.35	1.40	0.035	0.035	1.30	-	-	-

Carbon Chrome Steels for Through Hardening

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
DIN 17210	34Cr4	Min	0.30	0.15	0.60			0.90
		Max	0.37	0.35	0.90	0.035	0.035	1.20	-	-	-

DIN 17210	41Cr4	Min	0.38	0.15	0.50			0.90
		Max	0.45	0.35	0.80	0.035	0.035	1.20	-	-	-

BS 970	En 18	Min	0.35	0.15	0.60			0.85
		Max	0.45	0.35	0.95	0.050	0.050	1.15	-	-	-

SAE	SAE 5140	Min	0.38	0.15	0.70			0.70
		Max	0.43	0.35	0.90	0.035	0.040	0.90	-	-	-

Chrome Moly Steels for Through Hardening

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
SAE	SAE 4130	Min	0.28	0.15	0.40			0.80	0.15
		Max	0.33	0.30	0.60	0.035	0.040	1.10	0.25	-	-

SAE	SAE 4140	Min	0.38	0.15	0.75			0.80	0.15
		Max	0.43	0.30	1.00	0.035	0.040	1.10	0.25	-	-

SAE	SAE 4137	Min	0.35	0.15	0.70			0.80	0.15
		Max	0.40	0.30	0.90	0.035	0.040	1.10	0.25	-	-

SAE	SAE 4137 H	Min	0.34	0.15	0.60			0.75	0.15
		Max	0.41	0.30	1.00	0.035	0.035	1.20	0.25	-	-

DIN 17200	42CrMo4	Min	0.38	0.15	0.50			0.90	0.15
		Max	0.45	0.40	0.80	0.035	0.035	1.20	0.30	-	-

JIS G 4105	SCM 420	Min	0.18	0.15	0.60			0.90	0.15
		Max	0.23	0.35	0.85	0.030	0.030	1.20	0.30	-	-

JIS G 4105	SCM 435	Min	0.33	0.15	0.60			0.90	0.15
		Max	0.38	0.35	0.85	0.30	0.030	1.20	0.30	-	-

BS 970	En 19	Min	0.35	0.15	0.50			0.90	0.20
		Max	0.45	0.35	0.80	0.050	0.050	1.50	0.40	-	-

BS 970	En 19C	Min	0.40	0.15	0.50			0.90	0.20
		Max	0.45	0.35	0.80	0.050	0.050	1.20	0.35	-	-

ASTM	B 16	Min	0.36	0.15	0.45			0.80	0.50
		Max	0.47	0.35	0.70	0.035	0.040	1.15	0.65	-	-

Cr-Ni-Mo Steel for Through Hardening

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
BS 970	En 24	Min	0.35	0.15	0.45			0.90	0.20	1.30
		Max	0.45	0.35	0.70	0.050	0.050	1.40	0.35	1.80	-

SAE	SAE 4320	Min	0.17	0.15	0.45			0.40	0.20	1.65
		Max	0.22	0.30	0.65	0.035	0.040	0.60	0.30	2.00	-

SAE	SAE 4340	Min	0.38	0.15	0.60			0.70	0.20	1.65
		Max	0.43	0.30	0.80	0.035	0.040	0.90	0.30	2.00	-

Cr-Ni-Mo Case Hardening Steel

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
BS 970	En 36C	Min	0.12	0.10	0.30			0.60	0.10	3.00
		Max	0.18	0.35	0.60	0.050	0.050	1.10	0.25	3.75	-

BS 970	En 38	Min		0.15					0.15	4.50
		Max	0.16	0.35	0.60	0.050	0.050	0.30	0.30	5.50	-

Cr-Ni-Mo Steels

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
BS 970	En 353	Min		0.15	0.50			0.75	0.08	1.00
		Max	0.20	0.35	1.00	0.050	0.050	1.25	0.15	1.50	-

BS 970	En 354	Min		0.15	0.50			0.75	0.10	1.50
		Max	0.20	0.35	1.00	0.050	0.050	1.25	0.20	2.00	-

BS 970	En 355	Min		0.15	0.40			1.40	0.15	1.80
		Max	0.20	0.35	0.70	0.050	0.050	1.70	0.25	2.20	-

SAE	SAE 8620	Min	0.18	0.15	0.70			0.40	0.15	0.40
		Max	0.23	0.30	0.90	0.035	0.040	0.60	0.25	0.70	-

SAE	SAE 8627	Min	0.25	0.15	0.70			0.40	0.15	0.40
		Max	0.30	0.30	0.90	0.040	0.035	0.60	0.25	0.70	-

Steel for Pump Shafts

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
SAE	AISI 410	Min						11.5
		Max	0.15	1.00	1.00	0.040	0.030	13.0	-	-	-

SAE	AISI 420	Min	0.15					12.0
		Max	0.25	1.00	1.00	0.030	0.030	14.0	-	-	-

Ball Bearing Steel

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
BS 970	SAE 52100	Min	0.98	0.15	0.25			1.30
		Max	1.10	0.30	0.45	0.025	0.025	1.60	-	-	-

Creep Resistant Steel

Reference	Grade	%	C	Si	Mn	P	S	Cr	Mo	Ni	Cu
ASTM A 182	F 5	Min			0.30			4.00	0.44
		Max	0.15	0.50	0.60	0.030	0.030	6.00	0.65	0.50	-

ASTM A 182	F 9	Min		0.50	0.30			8.00	0.90
		Max	0.15	1.00	0.60	0.030	0.030	10.00	1.10	-	-

ASTM A 182	F 11	Min	0.10	0.50	0.30			1.00	0.44
		Max	0.20	1.00	0.80	0.040	0.040	1.50	0.65	-	-

ASTM A 182	F 22	Min			0.30			2.00	0.87
		Max	0.15	0.50	0.60	0.040	0.040	2.50	1.13	-	-

AISI SAE	UNS	C	Mn	P	S
1005	G10050	0.06	0.35	0.040	0.050
1006	G10060	0.08	0.25-0.40	0.040	0.050
1008	G10080	0.10	0.30-0.60	0.040	0.050
1010	G10100	0.08-0.13	0.30-0.60	0.040	0.050
1012	G10120	0.10-0.15	0.30-0.60	0.040	0.050
1015	G10150	0.13-0.18	0.30-0.60	0.040	0.050
1016	G10160	0.13-0.18	0.60-0.90	0.040	0.050
1017	G10170	0.15-0.20	0.60-0.90	0.040	0.050
1018	G10180	0.15-0.20	0.60-0.90	0.040	0.050
1019	G10190	0.15-0.20	0.70-1.00	0.040	0.050
1020	G10200	0.18-0.23	0.30-0.60	0.040	0.050
1021	G10210	0.18-0.23	0.60-0.90	0.040	0.050
1022	G10220	0.18-0.23	0.70-1.00	0.040	0.050
1023	G10230	0.20-0.25	0.30-0.60	0.040	0.050
1025	G10250	0.22-0.28	0.30-0.60	0.040	0.050
1026	G10260	0.22-0.28	0.60-0.90	0.040	0.050
1029	G10290	0.25-0.31	0.60-0.90	0.040	0.050
1030	G10300	0.28-0.34	0.60-0.90	0.040	0.050
1035	G10350	0.32-0.38	0.60-0.90	0.040	0.050
1037	G10370	0.32-0.38	0.70-1.00	0.040	0.050
1038	G10380	0.35-0.42	0.60-0.90	0.040	0.050
1039	G10390	0.37-0.44	0.70-1.00	0.040	0.050
1040	G10400	0.37-0.44	0.60-0.90	0.040	0.050
1042	G10420	0.40-0.47	0.60-0.90	0.040	0.050
1043	G10430	0.40-0.47	0.70-1.00	0.040	0.050
1044	G10440	0.43-0.50	0.30-0.60	0.040	0.050
1045	G10450	0.43-0.50	0.60-0.90	0.040	0.050
1046	G10460	0.43-0.50	0.70-1.00	0.040	0.050
1049	G10490	0.46-0.53	0.60-0.90	0.040	0.050
1050	G10500	0.48-0.55	0.60-0.90	0.040	0.050
1053	G10530	0.48-0.55	0.70-1.00	0.040	0.050
1055	G10550	0.50-0.60	0.60-0.90	0.040	0.050
1059	G10590	0.55-0.65	0.50-0.80	0.040	0.050
1060	G10600	0.55-0.65	0.60-0.90	0.040	0.050
1064	G10640	0.60-0.70	0.50-0.80	0.040	0.050
1065	G10650	0.60-0.70	0.40-0.70	0.040	0.050
1069	G10690	0.65-0.75	0.40-0.70	0.040	0.050
1070	G10700	0.65-0.75	0.60-0.90	0.040	0.050
1078	G10780	0.72-0.85	0.30-0.60	0.040	0.050
1080	G10800	0.75-0.88	0.60-0.90	0.040	0.050
1084	G10840	0.80-0.93	0.60-0.90	0.040	0.050
1086	G10860	0.80-0.93	0.30-0.50	0.040	0.050
1090	G10900	0.85-0.98	0.60-0.90	0.040	0.050
1095	G10950	0.90-1.03	0.30-0.50	0.040	0.050
AISI SAE	UNS	C	Mn	P	S
1110	G11100	0.08-0.13	0.30-0.60	0.040	0.08-0.13
1117	G11170	0.14-0.20	1.00-1.30	0.040	0.08-0.13
1118	G11180	0.14-0.20	1.30-1.60	0.040	0.08-0.13
1137	G11370	0.32-0.39	1.35-1.65	0.040	0.08-0.13
1139	G11390	0.35-0.39	1.35-1.65	0.040	0.13-0.20
1140	G11400	0.37-0.44	0.70-1.00	0.040	0.08-0.13
1141	G11410	0.37-0.45	1.35-1.65	0.040	0.08-0.13
1144	G11440	0.40-0.48	1.35-1.65	0.040	0.24-0.33
1146	G11460	0.42-0.49	0.70-1.00	0.040	0.08-0.13
1151	G11510	0.48-0.55	0.70-1.00	0.040	0.08-0.13
AISI SAE	UNS	C	Mn	P	S
1211	G12110	max 0.13	0.60-0.90	0.07-0.12	0.10-0.15
1212	G12120	max 0.13	0.70-1.00	0.07-0.12	0.16-0.23
1213	G12130	max 0.13	0.70-1.00	0.07-0.12	0.24-0.33
1214	G12144	max 0.15	0.85-1.15	0.04-0.09	0.26-0.35
1215	G12150	max 0.09	0.75-1.05	0.04-0.09	0.26-0.35
AISI SAE	UNS	C	Mn	P	S
1513	G15130	0.10-0.16	1.10-1.40	0.040	0.050
1522	G15220	0.18-0.24	1.10-1.40	0.040	0.050
1524	G15240	0.19-0.25	1.35-1.65	0.040	0.050
1526	G15260	0.22-0.29	1.10-1.40	0.040	0.050
1527	G15270	0.22-0.29	1.20-1.50	0.040	0.050
1541	G15410	0.36-0.44	1.35-1.65	0.040	0.050
1548	G15480	0.44-0.52	1.10-1.40	0.040	0.050
1551	G15510	0.45-0.56	0.85-1.15	0.040	0.050
1552	G15520	0.47-0.55	1.20-1.50	0.040	0.050
1561	G15610	0.55-0.65	0.75-1.05	0.040	0.050
1566	G15660	0.60-0.71	0.85-1.15	0.040	0.050

AISI & SAE No	UNS No
AISI 1108	UNS G11080
AISI 1109	UNS G11090
AISI 1110	UNS G11100
AISI 1116	UNS G11160
AISI 1117	UNS G11170
AISI 1118	UNS G11180
AISI 1119	UNS G11190
AISI 1123	UNS G11230
AISI 1132	UNS G11320
AISI 1137	UNS G11370
AISI 1139	UNS G11390
AISI 1140	UNS G11400
AISI 1141	UNS G11410
AISI 1144	UNS G11440
AISI 1145	UNS G11450
AISI 1146	UNS G11460
AISI 1151	UNS G11510

AISI 1211	UNS G12110
AISI 1212	UNS G12120
AISI 1213	UNS G12130
AISI 1215	UNS G12150
AISI 1330	UNS G13300
AISI 1330 H	UNS H13300
AISI 1335	UNS G13350
AISI 1335 H	UNS H13350
AISI 1340	UNS G13400
AISI 1340 H	UNS H13400
AISI 1345	UNS G13450
AISI 1345 H	UNS H13450

AISI 1513	UNS G15130
AISI 1518	UNS G15180
AISI 1522	UNS G15220
AISI 1522 H	UNS H15220
AISI 1524	UNS G15240
AISI 1524 H	UNS H15240
AISI 1525	UNS G15250
AISI 1526	UNS G15260
AISI 1526 H	UNS H15260
AISI 1527	UNS G15270
AISI 1533	UNS G15330
AISI 1534	UNS G15340
AISI 1536	UNS G15360
AISI 1541	UNS G15410
AISI 1541 H	UNS H15410
AISI 1547	UNS G15470
AISI 1548	UNS G15480
AISI 1551	UNS G15510
AISI 1552	UNS G15520
AISI 1553	UNS G15530
AISI 1561	UNS G15610

AISI & SAE No	UNS No
AISI 1566	UNS G15660
AISI 1570	UNS G15700
AISI 1572	UNS G15720
AISI 1580	UNS G15800
AISI 1590	UNS G15900

AISI 3140	UNS G31400
AISI 4012	UNS G40120
AISI 4023	UNS G40230
AISI 4024	UNS G40240
AISI 4027	UNS G40270
AISI 4027 H	UNS H40270
AISI 4028	UNS G40280
AISI 4028 H	UNS H40280
AISI 4032	UNS G40320
AISI 4032 H	UNS H40320
AISI 4037	UNS G40370
AISI 4037 H	UNS H40370
AISI 4042	UNS G40420
AISI 4042 H	UNS H40420
AISI 4047	UNS G40470
AISI 4047 H	UNS H40470
AISI 4063	UNS G40630

AISI 4118	UNS G41180
AISI 4118 H	UNS H41180
AISI 4120	UNS G41200
AISI 4121	UNS G41210
AISI 4130	UNS G41300
V4130 H	UNS H41300
AISI 4135	UNS G41350
AISI 4135 H	UNS H41350
AISI 4137	UNS G41370
AISI 4137 H	UNS H41370
AISI 4140	UNS G41400
AISI 4140 H	UNS H41400
AISI 4142	UNS G41420
AISI 4142 H	UNS H41420
AISI 4145	UNS G41450
AISI 4145 H	UNS H41450
AISI 4147	UNS G41470
AISI 4147 H	UNS H41470
AISI 4150	UNS G41500
AISI 4150 H	UNS H41500
AISI 4161	UNS G41610
AISI 4161 H	UNS H41610

AISI 4320	UNS G43200
AISI 4320 H	UNS H43200
AISI 4337	UNS G43370
AISI 4340	UNS G43400
AISI 4340 H	UNS H43400

AISI & SAE No	UNS No
AISI 4419	UNS G44190
AISI 4419 H	UNS H44190
AISI 4422	UNS G44220
AISI 4427	UNS G44270
AISI 4520	UNS G45200

AISI 4615	UNS G46150
AISI 4617	UNS G46170
AISI 4620	UNS G46200
AISI 4620 H	UNS H46200
AISI 4621	UNS G46210
AISI 4621 H	UNS H46210
AISI 4626	UNS G46260
AISI 4626 H	UNS H46260
AISI 4715	UNS G47150
AISI 4718	UNS G48180
AISI 4718 H	UNS H48180
AISI 4720	UNS G47200
AISI 4720 H	UNS H47200
AISI 4815	UNS G48150
AISI 4815 H	UNS H48150
AISI 4817	UNS G48170
AISI 4817 H	UNS H48170
AISI 4820	UNS G48200
AISI 4820 H	UNS H48200

AISI 5015	UNS G50150
AISI 5046	UNS G50460
AISI 5046 H	UNS H50460
AISI 5060	UNS G50600
AISI 5115	UNS G51150
AISI 5117	UNS G51170
AISI 5120	UNS G51200
AISI 5120 H	UNS H51200
AISI 5130	UNS G51300
AISI 5130 H	UNS H51300
AISI 5132	UNS G51320
AISI 5132 H	UNS H51320
AISI 5135	UNS G51350
AISI 5135 H	UNS H51350
AISI 5140	UNS G51400
AISI 5140 H	UNS H51400
AISI 5145	UNS G51450
AISI 5145 H	UNS H51450
AISI 5147	UNS G51470
AISI 5147 H	UNS H51470
AISI 5150	UNS G51500
AISI 5150 H	UNS H51500
AISI 5155	UNS G51550
AISI 5155 H	UNS H51550
AISI 5160	UNS G51600
AISI 5160 H	UNS H51600