Steel Grades Chart for Different Country

Quality Carbon Structural Steel

USA	UK	France	Germany	Japan	China	former Soviet Union
ASTM	BS	NF	DIN	JIS	GB	ГОСТ
1006	040A04		C10	S09CK	08F	08КП
1008	045M10		C10	S9CK	08	08
1010	040A10	XC10			10F
1010,1012	045M10	XC10	C10,CK10	S10C	10	10
1015	095M15	XC12	C15,CK15	S15C	15	15
1020	050A20	XC18	C22,CK22	S20C	20	20
1025			CK25	S25C	25	25
1030	060A30	XC32		S30C	30	30
1035	060A35	XC38TS	C35,CK35	S35C	35	35
1040	080A40	XC38H1		S40C	40	40
1045	080M46	XC45	C45,CK45	S45C	45	45
1050	060A52	XC48TS	CK53	S50C	50	50
1055	070M55	XC55		S55C	55	55
1060	080A62	XC55	C60,CK60	S58C	60	60
1016,1115	080A17	XC12	14Mn4	SB46	15Mn	15Г
1021,1022	080A20	XC18			20Mn	20Г
1030,1033	080A32	XC32		S30C	30Mn	30Г
1036,1040	080A40	40M5	40Mn4	S40C	40Mn	40Г
1043,1045	080A47			S45C	45Mn	45Г
1050,1052	030A52	XC48		S53C	50Mn	50Г
	080M50

Alloy Structure Steel

USA	UK	France	Germany	Japan	China	former Soviet Union
1320,1321	150M19		20Mn5	SMn420	20Mn2	20Г2
1330	150M28	32M5	30Mn5	SMn433H	30Mn2	30Г2
1335	150M36	35M5	36Mn5	SMn438(H)	35Mn2	35Г2
1340		40M5		SMn443	40Mn2	40Г2
1345			46Mn7	SMn443	45Mn2	45Г2
		~55M5			50Mn2	50Г2
			20MnV6		20MnV
	En46		37MnSi5		35SiMn	35CГ
	En46		46MnSi4		42SiMn	35CГ
TS14B35					40B
50B46H					45B
50B40					40MnB
50B44					45MnB
5115	523M15	12C3	15Cr3	SCr415(H)	15Cr	15X
5120	527A19	18C3	20Cr4	SCr420H	20Cr	20X
5130	530A30		28Cr4	SCr430	30Cr	30X
5132	530A36	32C4	34Cr4	SCr430(H)	35Cr	35X
5140	520M40	42C4	41Cr4	SCr440	40Cr	40X
5145,5147	534A99	45C4		SCr445	45Cr	45X
					38CrSi	38XC
	620CR.B	12CD4	13CrMo44		12CrMo	12XM
A-387Cr . B	1653	12CD4	16CrMo44	STC42	15CrMo	15XM
				STT42
				STB42
4119,4118	CDS12	18CD4	20CrMo44	SCT42	20CrMo	20XM
	CDS110			STT42
				STB42
4125	En20A	25CD4	25CrMo4		25CrMo
4130	1717COS110	30CD4		SCM420	30CrMo	30XM
4140	708A42	42CD4	42CrMo4		42CrMo
	708M40
4135	708A37	35CD4	34CrMo4	SCM3	35CrMo	35XM
					12CrMoV	12XMΦ
			13CrMoV42		12Cr1MoV	12X1MΦ
					25Cr2Mo1VA	25X2M1ΦA
6120			22CrV4		20CrV	20XΦ
6140			42CrV6		40CrV	40XΦA
6150	735A30	50CV4	50CrV4	SUP10	50CrVA	50XΦA
					15CrMn	15XГ,18XГ
5152	527A60			SUP9	20CrMn	20XГCA
					30CrMnSiA	30XГCA
3140H	640M40		40NiCr6	SNC236	40CrNi	40XH
3316		20NC11	20NiCr14		20CrNi3A	20XH3A
3325	653M31		28NiCr10	SNC631H	30CrNi3A	30XH3A
3330				SNC631
80B20					20MnMoB
	905M39	40CAD6.12	41CrAlMo07	SACM645	38CrMoAlA	38XMIOA
4340	871M40		40NiCrMo22	SNCM439	40CrNiMoA	40XHMA

Spring Steel

Carbon Stool Steel

W1-7			C70W1	SK7,SK6	T7	y7
				SK6,SK5	T8	y8
W1-0.8C		1104Y175	C80W1		T8A	y8A
				SK5	T8Mn	y8Г
W1-1.0C	D1			SK3	T10	y10
W1-1.2C	D1	Y2 120	C125W	SK2	T12	y12
W1-1.2C		XC 120	C125W2		T12A	y12A
		Y2 140	C135W	SK1	T13	y13