船级社 Society	标准或用途 Standard or usage	钢级 Steel grade	化学成分  chemical composition, %
			C	Si	Mn	P	S	Cr	Ni	Cu	Al
德国船级社 GLR	Non alloly	GL-R 410	≤ 0.21	≤ 0.35	≤1.40	≤0.025	≤0.020	-	-	-	≥0.020
	GB 18248	37Mn	0.34-0.40	0.10-0.30	1.35-1.65	≤0.030	≤0.030	≤0.30	≤0.30	≤0.20	-
	EN 10297	34CrMo4	0.30-0.37	≤0.40	0.60-0.90	≤0.035	≤0.035	0.9-1.20	-	-	-
挪威船级社 DNV	for pressure ASTM A53/A53M	A53B	≤ 0.30	-	≤1.20	≤ 0.050	≤ 0.045	≤0.40	≤0.40	≤0.40	-
美国船级社 ABS	for pressure	Grade 3	≤0.30	-	≤1.20	≤0.050	≤0.045	≤0.40	≤0.40	≤0.40	-
法国船级社 BV	for pressure	410HB	≤0.21	≤0.35	0.40-1.20	≤0.040	≤0.040	-	-	-	-
英国船级社 LR	for pressure	410	≤0.21	≤0.35	0.40-1.20	≤0.045	≤0.045	≤0.25	≤0.30	≤0.30	-
韩国船级社 KR	for pressure	RST138	≤ 0.25	≤ 0.35	0.30-0.90	≤0.040	≤0.040	-	-	-	-
		RST142	≤0.30		0.30-1.00	≤0.040	≤0.040	-	-	-	-
		RST238	≤0.25	0.10-0.35	0.30-1.10	≤0.035	≤0.035	-	-	-	-
		RST242	≤0.30		0.30-1.40			-	-	-	-
		RST249	≤0.33		0.30-1.50			-	-	-	-
		RST338	≤ 0.25		0.30-0.90			-	-	-	-
		RST342	≤ 0.30		0.30-1.00			-	-	-	-
日本船级社 NK	for pressure	grade 1 No3/ KSTPG 42	≤ 0.30	≤ 0.35	0.30-1.00	≤ 0.040	≤ 0.040	-	-	-	-
中国船级社 CCS	for pressure	360	≤ 0.17	≤ 0.35	0.40-0.80	≤ 0.040	≤ 0.040	≤0.25	≤0.30	≤0.30
		410	≤ 0.21	≤ 0.35	0.40-1.20	≤ 0.040	≤ 0.040	≤0.25	≤0.30	≤0.30
		460	≤ 0.22	≤ 0.35	0.80-1.40	≤ 0.040	≤ 0.040	≤0.25	≤0.30	≤0.30
		490	≤ 0.23	≤ 0.35	0.80-1.50	≤ 0.040	≤ 0.040	≤0.25	≤0.30	≤0.30