Q235 vs A36, SS400, E250, S235JR Steel, Q235A, Q235B, Q235C, Q235D

Q235 vs ASTM A36, S235, SS400 and E250 Steel

The following tables show Q235 steel vs A36, SS400, S235JR and E250 steel, they are similar in chemical composition, mechanical properties, and all belong to carbon structural steels.

				Chemical Composition % (≤)
Country	Standard	Steel Grade	Quality Grade	C	Si	Mn	P	S	Cu	N
China	GB/T 700	Q235	Q235A	0.22	0.35	1.40	0.045	0.050	0.30	0.012
			Q235B	0.20	0.35	1.40	0.045	0.045	0.30	0.012
			Q235C	0.17	0.35	1.40	0.040	0.040	0.30	0.012
			Q235D	0.17	0.35	1.40	0.035	0.035	0.30	0.012
US	ASTM A36	A36		0.26	0.40	1.35	0.040	0.050	0.20	–
European	EN 10025-2	S235	S235JR (1.0038)	0.17	–	1.40	0.035	0.035	0.55	0.012
			S235J0 (1.0114)	0.17	–	1.40	0.030	0.030	0.55	0.012
			S235J2 (1.0117)	0.17	–	1.40	0.025	0.025	0.55	–
Japan	JIS G3101	SS400		–	–	–	0.050	0.050	–	–
India	IS 2062	E250	E250A	0.23	0.040	1.50	0.045	0.045	0.20-0.35	0.012
			E250B	0.22	0.040	1.50	0.045	0.045	0.20-0.35	0.012
			E250C	0.20	0.040	1.50	0.040	0.040	0.20-0.35	0.012

		Yield Strength (≥ N/mm2); Dia. (d) mm						Tensile Strength
Country	Steel Grade	d≤16	16 < d ≤40	40 < d ≤60	60 < d ≤100	100 < d ≤150	150 < d ≤200	N/mm2
China	Q235	235	225	215	215	195	185	370-500
US	A36	250 MPa (d ≤ 200mm)						400-550
European	S235	235	225	215	215	195	185	360-510
Japan	SS400	245	235	215	215	205	205	400-510

S235 has 3 quality grades, including S235JR, S235J0 and S235J2

			Yield Strength (≥ N/mm2); Dia. (d) mm			Tensile Strength
Country	Standard	Steel Grade	d<20	20 ≤ d ≤40	>40	N/mm2
India	IS 2062	E250	250	240	230	≥ 410

1MPa = 1 N/mm2