Common Carbon Steel Chemical Components and Mechanical Properties

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The chemical composition and mechanical properties for common carbon steel materials and grades, such as China ZG, USA ASTM, Germany DIN, UK BS.

	C≤	Si≤	Mn≤	P≤	S≤	Cr	Ni	Mo	Heat Treat ℃	σ0.2	σb	δ%	Ψ%
China (GB/YB)
15	0.12-0.19	0.17-0.37	0.35-0.65	0.035	0.035	≤0.25	≤0.25	-	-	225	375	27	55
20	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	≤0.25	≤0.25	-	-	245	410	25	55
25	0.22-0.30	0.17-0.37	0.50-0.80	0.035	0.035	≤0.25	≤0.25	-	-	275	450	23	50
30	0.27-0.35	0.17-0.37	0.50-0.80	0.035	0.035	≤0.25	≤0.25	-	-	295	490	21	50
35	0.32-0.40	0.17-0.37	0.50-0.80	0.035	0.035	≤0.25	≤0.25	-	-	315	530	20	45
40	0.37-0.45	0.17-0.37	0.50-0.80	0.035	0.035	≤0.25	≤0.25	-	-	335	570	19	45
45	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	≤0.25	≤0.25	-	-	355	600	16	40
ZG200-400	0.20	0.50	0.80	0.040	0.040	-	-	-	920-940	200	400	25	40
ZG230-450	0.30	0.50	0.90	0.040	0.040	-	-	-	890-910	230	450	22	23
ZG270-500	0.40	0.50	0.90	0.040	0.040	-	-	-	880-900	270	500	18	25
ZG310-570	0.50	0.60	0.90	0.040	0.040	-	-	-	870-890	310	570	15	21
ZG340-640	0.60	0.60	0.90	0.040	0.040	-	-	-	840-860	340	640	10	18
USA (ASTM/AISI/SAE)
1015	0.13-0.18	-	0.30-0.60	0.040	0.050	-	-	-	-	-	-	-	-
1020	0.18-0.23	-	0.30-0.60	0.040	0.050	-	-	-	-	-	-	-	-
1025	0.22-0.28	-	0.30-0.60	0.040	0.050	-	-	-	-	-	-	-	-
1030	0.28-0.34	-	0.60-0.90	0.040	0.050	-	-	-	-	-	-	-	-
1035	0.32-0.38	-	0.60-0.90	0.040	0.050	-	-	-	-	-	-	-	-
1040	0.37-0.44	-	0.60-0.90	0.040	0.050	-	-	-	-	-	-	-	-
1045	0.43-0.50	-	0.60-0.90	0.040	0.050	-	-	-	-	-	-	-	-
415-205 (60-30)	0.30	0.80	0.60	0.050	0.060	-	-	-	-	205	415	24	35
450-240 (65-35)	0.30	0.80	0.70	0.050	0.060	-	-	-	-	240	450	24	35
485-250 (70-35)	0.35	0.80	0.70	0.050	0.060	-	-	-	-	250	485	22	30
485-275 (70-40)	0.25	0.80	1.20	0.050	0.060	-	-	-	-	275	485	22	30
Germany (DIN)
C15(1.0401)	0.12-0.18	0.40	0.30-0.60	0.045	0.045	-	-	-	-	440	740	12	35
C25(1.0406)	0.22-0.29	0.40	0.40-0.70	0.045	0.045	≤0.40	≤0.10	≤0.40	-	370	550	19	40
C30(1.0528)	0.27-0.34	0.40	0.50-0.80	0.045	0.045	≤0.40	≤0.10	≤0.40	-	400	600	18	35
C35(1.0501)	0.32-0.39	0.40	0.50-0.80	0.045	0.045	≤0.40	≤0.10	≤0.40	-	430	630	17	35
C40(1.0511)	0.37-0.44	0.40	0.50-0.80	0.045	0.045	≤0.40	≤0.10	≤0.40	-	460	650	16	30
C45(1.0503)	0.42-0.50	0.40	0.50-0.80	0.045	0.045	≤0.40	≤0.10	≤0.40	-	500	700	14	30
GS38(1.0420)	0.25	0.20-0.60	0.20-0.50	0.040	0.040	-	-	-	-	200	380	25	40
GS45(1.0446)	0.25	0.60	0.20-0.50	0.040	0.040	-	-	-	-	230	450	22	31
GS-C25(1.0619)	0.18-0.23	0.30-0.60	0.50-0.80	0.020	0.015	≤0.30	-	-	-	245	440	22	-
UK (BS)
070M20	0.16-0.24	0.10-0.40	0.50-0.90	0.050	0.050	-	-	-	-	-	-	-	-
080A15	0.13-0.18	0.10-0.40	0.70-0.90	0.050	0.050	-	-	-	-	-	-	-	-
080A30	0.26-0.34	0.10-0.40	0.70-0.90	0.050	0.050	-	-	-	-	-	-	-	-
080A42	0.40-0.45	0.10-0.40	0.70-0.90	0.050	0.050	-	-	-	-	-	-	-	-
080A47	0.45-0.50	0.10-0.40	0.70-0.90	0.050	0.050	-	-	-	-	-	-	-	-
A1	0.25	0.60	0.90	0.050	0.050	≤0.30	≤0.40	≤0.15	-	230	430	22	-
A2	0.35	0.60	1.00	0.050	0.050	-	-	-	-	260	490	18	-
A3	0.45	0.60	1.00	0.050	0.050	-	-	-	-	295	540	14	-
A4	0.18-0.25	0.60	1.20-1.60	0.050	0.050	-	-	-	-	320	540	16	-
A5	0.25-0.33	0.60	1.20-1.60	0.050	0.050	-	-	-	-	370	620	13	-
France (NF)
C22E(XC18)	0.17-0.24	0.40	0.40-0.70	0.035	0.035	≤0.40	≤0.10	≤0.40	-	-	-	-	-
C25E(XC25)	0.22-0.29	0.40	0.40-0.70	0.035	0.035	≤0.40	≤0.10	≤0.40	-	-	-	-	-
C30E(XC32)	0.27-0.34	0.40	0.50-0.80	0.035	0.035	≤0.40	≤0.10	≤0.40	-	-	-	-	-
C35E(XC38H1)	0.32-0.39	0.40	0.50-0.80	0.035	0.035	≤0.40	≤0.10	≤0.40	-	-	-	-	-
C40E(XC42H1)	0.37-0.44	0.40	0.50-0.80	0.035	0.035	≤0.40	≤0.10	≤0.40	-	-	-	-	-
C45E(XC48H1)	0.42-0.50	0.40	0.50-0.80	0.035	0.035	≤0.40	≤0.10	≤0.40	-	-	-	-	-
GE230	0.20	0.60	1.20	0.035	0.030	≤0.30	≤0.40	≤0.15	-	-	-	-	-
GE280	0.25	0.60	1.20	0.035	0.030	≤0.30	≤0.40	≤0.15	-	-	-	-	-
GE320	0.32	0.60	1.20	0.035	0.030	≤0.30	≤0.40	≤0.15	-	-	-	-	-
GE370	0.45	0.60	1.20	0.035	0.030	≤0.30	≤0.40	≤0.15	-	-	-	-	-
Japan (JIS)
S15C	0.13-0.18	0.15-0.35	0.30-0.60	0.030	0.035	≤0.20	≤0.20	-	880-930	235	370	30	-
S20C	0.18-0.23	0.15-0.35	0.30-0.60	0.030	0.035	≤0.20	≤0.20	-	870-920	245	400	28	-
S25C	0.22-0.28	0.15-0.35	0.30-0.60	0.030	0.035	≤0.20	≤0.20	-	860-910	265	440	27	-
S30C	0.27-0.33	0.15-0.35	0.60-0.90	0.030	0.035	≤0.20	≤0.20	-	850-900	285	470	25	-
S35C	0.32-0.38	0.15-0.35	0.60-0.90	0.030	0.035	≤0.20	≤0.20	-	840-890	305	510	23	-
S40C	0.37-0.43	0.15-0.35	0.60-0.90	0.030	0.035	≤0.20	≤0.20	-	830-880	325	540	22	-
S45C	0.42-0.48	0.15-0.35	0.60-0.90	0.030	0.035	≤0.20	≤0.20	-	820-870	345	570	20	-
SC360	0.20	-	-	0.040	0.040	-	-	-	-	175	360	23	35
SC410	0.30	-	-	0.040	0.040	-	-	-	-	205	410	21	35
SC450	0.35	-	-	0.040	0.040	-	-	-	-	225	450	19	30
SC480	0.40	-	-	0.040	0.040	-	-	-	-	245	480	17	25

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