Specification	Grade	Chemical Composition (max permissible limit for each element)								Mechanical Properties			Remarks
		C%	Mn%	P%	S%	Si%	Al% (min)	N ppm (max)	MA/Others%	YS(MPA) (min)	TS(MPA) (min)	Elongation% (min)
IS 1977	Fe290	0.25	1.25	0.055	0.055					165	290-390	23	General structural applications
	Fe330	0.25	1.25	0.055	0.055					170	330-440	23
	Fe370	0.25	1.25	0.055	0.055					215	370-470	23
IS 2062	A	0.23	1.6	0.05	0.05	0.4		120	Cu between 0.2 & 0.35% for Cu bearing steel	250	410	23	General structural applications, Corrosion resistant Steel with Cu
	B	0.22	1.5	0.045	0.045	0.4		120		250	410	23
	C	0.2	1.5	0.04	0.04	0.4		120		250	410	23
IS 10748	I	0.1	0.5	0.05	0.05					170	290	30	Tube Making
	II	0.12	0.6	0.05	0.05					210	330	28
IS 11513	O	0.15	0.6	0.055	0.055		0.02*						Cold Reduction & for manufacture of Galvanized sheets *For Al Killed 1=thickness=3mm 2=thickness>3mm
	D	0.12	0.5	0.04	0.04		0.02*			280	270-410
	DD	0.1	0.45	0.035	0.035		0.02*			250	270-370	171 /232
	EDD	0.08	0.4	0.03	0.03		0.02*			220	270-350	181 /252
IS 6240	B	0.20	0.90	0.035	0.035	0.25	0.02	100		240	350-450	25	LPG Cylinder
IS 1079	O	0.15	0.6	0.055	0.055		0.02	120					General structural applications EL for upto3mm thickness
	D	0.12	0.5	0.04	0.04		0.02	120			240-400	28
	DD	0.1	0.45	0.035	0.035		0.02	120			260-390	28
	EDD	0.08	0.4	0.03	0.03		0.02	120			260-380	32
IS 8500	Fe 540 B	0.2	1.6	0.04	0.04	0.45			MA = 0.25 max. Impact test for B quality at 0°C,-20°C	410	540	20	High tensil Structural Applications YS can be lower for thickness =16mm
	Fe 570	0.22	1.6	0.04	0.04	0.45				450	570	20
	Fe 570 B	0.22	1.6	0.04	0.04	0.45				450	570	20
	Fe 590	0.22	1.8	0.04	0.04	0.45				450	590	20
	Fe 590 B	0.22	1.8	0.04	0.04	0.45				450	590	20
IS 2002	1	0.18	0.50/1.2	0.035	0.04	0.15/0.35		120	CU = 0.10max. Al = 0.022max.	235	360-480	24	Boiler quality YS can be lower forthickness =16mm
	2	0.2	0.50/1.2	0.035	0.04	0.15/0.35				265	410-530	22
	3	0.22	0.5/1.2	0.035	0.04	0.15/0.35				290	460-580	21
IS 5986	Fe330	0.17	1	0.045	0.045				NB+V+Ti = 0.20max.	205	330-440	181/252	Hamilton Poles, Flanging, High tensile structural fabrication 1=thickness=3mm 2=thickness>3mm
	Fe360	0.17	1.2	0.045	0.045					235	360-470	181/252
	Fe410	0.2	1.3	0.045	0.045					255	410-520	171/232
	Fe510	0.2	1.5	0.045	0.045					355	510-620	161/202
JIS G 3116	SG255	0.2	0.3min	0.04	0.04	0.35	0.02			255	400	28	High-pressure Steel Gass  Cylinder
	SG295	0.2	1	0.04	0.04	0.35	0.02			295	440	26
JIS G 3114	SMA 400AW	0.18	1.25	0.035	0.035	0.15/0.65			Nb+Mo+Ti<0.15	245-365	400-540		Atmospheric Corrosion Resistant
JIS G 3103		0.24	0.9	0.35	0.04	0.15/0.30				226	412-549		Boiler quality applications
JIS G 3132	SPHT-1	0.1	0.5	0.04	0.04	0.04					270	30-37*	Tube making *Different EL for different thickness
	SPHT-2	0.18	0.6	0.04	0.04	0.03					340	25-32*
	SPHT-3	0.25	0.30/0.90	0.04	0.04	0.03					410	20-27*
JIS G 3125	SPAH	0.12	0.2/0.5	0.07/0.15	0.04	0.25/0.75			Cu = 0.25/0.6, Ni = 0.65max.	335	463	22	Corrosion resistant BHN 180 min Cr 0.5/0.8
JIS G 3131	SPHC	0.15	0.6	0.05	0.04	0.04					270	29-31*	Cold Rolling & General fabrication *Different EL for different thickness
	SPHD	0.1	0.5	0.05	0.05	0.04					270	30-39*
	SPHE	0.1	0.5	0.03	0.035	0.04					270	31-41*
JIS G 3106	SM 400A	0.23		0.035					Mn = 2.5 x Cmin	245	400-510	23	Structural fabrication Impact test may be required
	SM 490A	0.2	1.6	0.035	0.55					325	490-610	22
	SM 520B	0.2	1.6	0.035	0.55					365	520-640	19
	SM 570	0.18	1.6	0.035	0.55					460	570-720	19
JIS G 3101	SS330			0.05`	0.05					205	330 430	21 26	General engg %el as per thickness
	SS400			0.05	0.05					245	400 510	17,21
	SS490			0.05	0.05					285	490 610	15,19
	S540			0.05	0.05					400	540	13,16
JIS G 3113	SAPH310			0.04	0.04		0.02			185,175	330	16.40	different ys &%elkfor different sample auto sector application
	SAPH370			0.04	0.04		0.02			215, 225	370	25,37
	SAPH440			0.04	0.04		0.02			305, 295, 275	440	22,34
DIN 1614	STW24	0.08					0.02			320 (MAX)	410 (MAX)	34	cold rolling and drawing welded steel tubes
	STW23	0.1					0.02				410 (MAX)	31
	STW22	0.1					0.02				410 (MAX)	29
DIN 17100	qst37.2	0.17		0.05	0.05			90		235	340 470	26	general structural/ engg fabrication
	qst44.2	0.21		0.04	0.04			90		275	410 540	22
	qst52.3	0.2		0.04	0.04	0.55			MA 0.2 max	355	490 640	22
SS 4012A	E34	0.1	0.7	0.03	0.03	0.2	0.02		MA 0.2 max	340 412	492 490		auto sector application
	E38	0.1	1	0.03	0.03	0.04	0.02			372-470	440 560	27
BS 4360	43A	0.2	1	0.05	0.05	0.5				235	340 400	25	general engg weldable structural fabrication
	43c	0.18	1.5	0.04	0.04	0.5	0.02			275	430 580	22
	50a	0.23	1.6	0.05	0.05	0.5			nb&b = 0.003-0.1	355	490 640	20
	55c	0.22	1.6	0.04	0.04	0.6			nb = 0.003-0.1 v = 0.003-0.2	450	550 700	19
BS 1449	hr1	0.08	0.45	0.025	0.03					170	290	25	cold forming general engg
	hr2	0.08	0.45	0.03	0.035					170	290	25
	hr3	0.1	0.05	0.04	0.04					170	290	21
API 5L X	42	0.28	1.25	0.03	0.03					289	413		pipe for oil sector
	60	0.26	1.35	0.03	0.03					413	517
	70	0.23	1.6	0.03	0.03					482	565
BSK 46		0.12	1.4	0.03	0.03	0.1	0.03 max		ma0.02 max	451	490 627	21	auto sector application
SAE 1020		0.18/ 0.23	0.4/ 0.6	0.03	0.03	0.05				310 320	440	15	propeller shaft general engg
SAE 1541		0.36/ 0.44	1.35/ 1.65	0.035	0.03	0.15/ 0.35							fork for two wheeler
SAE 1012		0.10/ 0.15	0.30/ 0.6	0.04	0.05	0.1							wheel disc general enng
IRS M 41		0.1	0.25/ 0.45	0.075/ 0.115	0.045	0.28/0.27			cu ni cr	430	380	22	rail coaches wagons
ASTM	a622	0.1	0.5	0.025	0.035					250	400 550	18 21	tmbp
	a621	0.1	0.5	0.025	0.035								cold rolling and general application.