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COMPARISION CHART

republic	Germany	Germany	USA	Russia	France	U.K.	Italy	C	Mn	Si	P	S	Cr	Ni	Mo	V	Cu	W	Ti	Welding properties	CSN	Examples of application
CSN	DIN	DIN	ASTM	GOST	NF	BS	UNI														Mark
	Mark	W.Nr.	Mark	Mark	Mark	Mark	Mark
10 425								0,28			0,05	0,05								Z	10 425	For concrete construction reinforcement, welding properties guaranteed.
11 343	Ust 34-2		A512-MT1010	S235	A 34-2	CEW2BK	Fe330BF	0,17			0,05	0,05								Z*	11 343	For construction and machine components welded by fusing, statically, or moderately dynamically strained, welding properties guaranteed.
	RSt 34-2			20			U															Suitable for forged, stamped and drawn welded cutting components.
	St342BK
11 353	St.37.0	1.0254	Gr.A	Vst2		CFS3NBK		0,18			0,05	0,05								Z*	11 353	Heat resistant at higher temperature. For welded constructions, constructions and piping. Welding properties guaranteed, steel of standard quality.
11 368	A St 35	1.0346		15K				0,15	min.0,40	0,35	0,04	0,04	0,3	0,3			0,3			Z	11 368	Heat resistant at higher temperature, welding properties guaranteed.
11 369	TT St 35	1.1101	Gr.1					0,14	0,8	0,35	0,04	0,04	0,3	0,3			0,3				11 369	For low temperature. For welded supporting structures.
11 373	USt37-2		A283-	S255	E24-2	40A	Fe360B	0,22			0,05	0,05								Z	11 373	For constructions, components (of lesser thickness) and machines (including those welded by fusing) statically, and moderately dynamically strained. Sheets and strips for sections and piling. Welding properties guaranteed.
	St37-2BK		GradecC			CEW3BK
11 375	RSt37-2		A512-MT1010	S245	E24-2	40B		0,2			0,05	0,05								Z	11 375	For welded bridge girder systems and crane constructions, engineering components, components for power and heating devices, pressure vessels with limited pressure excess and for temperature at up to 300°C. Welding properties guaranteed.
11 418	A St 41	1.0426	A283-GradeC	20K			Fe360B	0,2	min.0,50	0,35	0,04	0,04	0,3	0,3			0,3			Z	11 418	Heat resistant at higher temperature, welding properties guaranteed. For components of boilers and pressure vessels – with heightened aging resistance.
11 419	TT St 41	1.0437						0,2	0,8	0,35	0,04	0,04	0,3	0,3			0,3			Z	11 419	At low temperature, welding properties guaranteed. Suitable for devices operating at lower temperature in pliant condition and for pressure vessels.
11 443	St 44-2	1.0044	Gr.6		E28-2	43B															11 443	For welded constructions. Welding properties guaranteed.
11 448	St 44-3	1.0144			E28-4	43D	Fe430B	max.0,16	1,3	0,4	0,04	0,04	max.0,3	max.0,2							11 448	For welded constructions, at low temperature.
11 449	TTStE315	1.0508	A572-Grade42				Fe430D														11 449	For welded constructions, at low temperature.
11 453	St44.0	1.0256	Grade42			CFS6NBK		0,24			0,05	0,05								Z	11 453	At higher temperature heat resistant. For welded constructions and piping. Welding properties guaranteed, steel of standard quality – high pressure hydraulic plants, binding piping.
11 500	St50-2			S285	A50-2	50B		0,38			0,05	0,05								O	11 500	Inferior welding properties. For more strained high speed, turbine and crankshafts, for components with certain natural hardness – bolts, screws, pulleys, for less strained cogwheels.
11 503	T St E 355	1.0566			E36-4	50D	Fe490	0,18	1,4	0,4	0,04	0,04	0,3	0,3			0,3			Z	11 503	At low temperature for welded supporting structures. Welding properties guaranteed.
11 523	St52.0	1.0421	A572-		E36-3	50C	Fe510D	0,2	1,6	0,55	0,05	0,045								Z	11 523	Heat resistant at higher temperature, standard quality. For welded supporting structures, for cold volume forming, constructions and piping. Welding properties guaranteed.
11 550	St 55	1.0507	Grade50				Fe510C	0,4			0,05	0,05								O	11 550	Constructions and piping – killed steel suitable for weldless pipes, nonwelded constructions and pressure piping. Inferior welding properties.
11 600	St60-2			S345	A60-2	55C,E		0,5			0,055	0,05								O	11 600	For engineering components under high pressure – shaft forgings, cogwheels, bolts, rams, pinion wedges, press spindles etc. Inferior welding properties.
12  010			A572-Grade65		XC10	045A10	Fe590	0,07-0,14	0,35-0,65	0,17-0,37	0,04	0,04	0,25	0,3			0,3			Z	12  010	For cold stamping. Welding properties guaranteed.
						045M10	C10
						040A10
						040A04
12 020					AF42C20	055M15		0,13-0,20	0,60-0,90	0,17-0,37	0,04	0,04	0,25	0,3			0,3			Z	12 020	For less strained machine components fit for cementing with medium strength at the hardening core. Welding properties guaranteed.
						070M20
						080A15
						080A20
						080M15
12 021	St 35.8	1.0305	Gr.A	10				0,07-0,15	0,35-0,60	0,17-0,37	0,04	0,04	0,25	0,25			0,25			Z	12 021	Heat resistant at higher temperature. For constructions and piping of power and chemical devices, for cementing. Welding properties guaranteed.
12 022	St45.8	1.0405	Gr.B	20				0,15-0,22	0,50-0,80	0,17-0,37	0,04	0,04	0,25	0,25			0,25			Z	12 022	Heat resistatnt at higher temperature. For constructions and piping for cementing. Welding properties guaranteed.
12 024	C22	1.0402	1020	20	XC18	070M20		0,17-0,24	0,35-0,65	0,17-0,37	0,04	0,04	0,25	0,3			0,3			Z	12 024	Components for cementing with medium strength at the core after hardening - less strained cogwheels, camshafts, etc.
12 025	St45.8	1.0405		20				0,14-0,20	0,6-1,0	0,17-0,37	0,04	0,04	0,25	0,25		0,05-0,09	0,25				12 025	Heat resistant at higher temperature. For constructions and piping. Welding properties guaranteed.
12 040	C35	1.0501	1035	35	XC38H1	080M36	C35	0,32-0,40	0,50-0,80	0,17-0,37	0,04	0,04	0,25	0,3			0,3			O	12 040	For cold volume forming, for constructions and piping, for refining, for surface hardening. Inferior welding properties.
					XC38H2	080H36																Components of drives, countershafts, crankshafts, connecting rods, levers, drawbars, crane hooks, etc.
						080A35
						080A37
12 050	C45	1.0503	1045	45	XC48H1	080M46	C45	0,42-0,50	0,50-0,80	0,17-0,37	0,04	0,04	0,25	0,3			0,3			O	12 050	For cold volume forming, for refining, surface hardening. Inferior welding properties.
					XC48H2	080H46																For larger cogwheels, bolts, lathe spindles, screws, shafts, connecting rods, drilling rods, cutter arbors, etc.
					AF65C45	060A45
12 060	C55	1.0535	1050	55	XC55H1	060A57	C55	0,52-0,60	0,50-0,80	0,17-0,37	0,04	0,04	0,25	0,3			0,3				12 060	For constructions and piping. For refining, surface hardening.
					XC55H2	070M55																For less strained shafts, spindles, screws, bolts, piston rods, less strained springs of farm machines.
						080A57																For machine components that should resist wear, for gear rims, drill spindles, etc.
13 126	Ste360.7	1.0582	X52					0,19	1,05	0,25											13 126	For constructions and piping. Welding properties guaranteed at higher temperature.
13 320								0,12-0,20	1,00-2,40	0,30-0,60	0,035	0,03	0,3							P	13 320	Resistant to wear, welding properties guaranteed limited to welded components under medium strain, and to wear resistant components.
14 109	100 Cr 6	1.3505	52100	·Ch 15	100C6	535A99		0,90-1,10	0,30-0,50	0,15-0,35	0,027	0,03	1,30-1,65	0,3			0,25				14 109	For ball bearings. Hot malleability and machinability is good for balls of up to 25 mm in diameter, rollers and conical bearings of up to 18 mm in diameter, bearing rings of up to web thickness of 16 mm.
14 140		1.7034		38ChA	38C4	530A36	41Cr4	0,35-0,42	0,50-0,80	0,17-0,37	0,035	0,035	0,80-1,10							O	14 140	For refining, inferior welding properties. Hot malleability and machinability in annealed condition is good. Used for medium strained components of aircraft engines, motor car and engine components.
						530A40
14 220		1.7131		18 ChG	16MC5	590A15	16MnCr5	0,14-0,19	1,10-1,40	0,17-0,37	0,035	0,035	0,80-1,10							D in hot condition	14 220	For cold volume forming, cementation, cyaniding. Good welding properties, machinability and hot malleability. For engineering components with very hard cement case and with high degree of strength in the core.
						590H17
14 230				27ChGR				0,28-0,35	0,90-1,20	0,35	0,035	0,035	0,80-1,10	0,4							14 230	For refining. Hot malleability good and in annealed condition good machinability. In refined condition suitable for smaller components.
14 331				30ChGS				0,28-0,35	0,80-1,10	0,90-1,20	0,035	0,035	0,80-1,10							P	14 331	Constructions and piping, for refining. Welding properties conditionally good. For bolts, shafts, joints, screws, nuts, and for riveted construction welding.
15 020	15MO3	1.5415	Gr.T1a					0,12-0,20	0,50-0,80	0,15-0,37	0,04	0,04			0,25-0,35					D	15 020	Mechanical properties guaranteed in hot conditions. Welding by fusing and malleability very good, resistant to corrosion in steam conditions at up to 550°C. Suitable for power and chemical devices.
15 110								0,08-0,16	0,40-0,70	0,15-0,40	0,04	0,04	0,50-0,75			0,20-0,35				P	15 110	Welding properties conditionally good, resistant to corrosion in steam conditions at the face temperature of up to 550°C. Suitable for power and chemical devices.
15 121	13CrMo44	1.7335	GrT12	15ChM				0,10-0,18	0,40-0,70	0,15-0,35	0,04	0,04	0,70-1,30		0,40-0,60					P	15 121	Heat resistant steel with good hot and cold malleability, good machinability, welding properties conditionally guaranteed. Suitable for power and chemical devices, resistant to hydrogen at up to 560°C.
15 128	14MoV63	1.7715						0,10-0,18	0,45-0,70	0,15-0,40	0,04	0,04	0,50-0,75		0,40-0,60	0,22-0,35				Z	15 128	Welding properties guaranteed up to the thickness of 10 mm, over 10 mm guaranteed conditionally, hot malleability and machinability good. For wire welding.
15 230								0,24-0,34	0,40-0,80	0,17-0,37	0,035	0,035	2,20-2,50			0,10-0,20				D	15 230	For refining, surface hardening, good welding properties, hot malleability and machinability good, in soft annealed condition good machinability. For highly strained component joints with high strength and for large forgings.
15 231	27MnCrV4	1.8162						0,24-0,30	1,00-1,30	0,17-0,37	0,035	0,035	0,60-0,90			0,10-0,20				P	15 231	Welding properties conditionally guaranteed, hot malleability and machinability good. For strained engineering components and road vehicle components with high degree of strength.
15 260	50CrV4	1.8159		50ChGFA	50CV4	735A51	50CrV4	0,47-0,55	0,70-1,00	0,17-0,37	0,035	0,035	0,90-1,20							O	15 260	Inferior welding properties. Hot malleability good, machinability in soft annealed condition good. For highly strained engineering components and road vehicle components, bolts, shafts and spindles.
15 313	10CrMo9 10	1.738	Gr.T22					0,08-0,15	0,40-0,80	0,15-0,40	0,035	0,035	2,00-2,50		0,90-1,10	0,10-0,20				P	15 313	Heat resistant at higher temperature, resistant to compressed hydrogen, welding properties conditionally guaranteed, resistant to corrosion in steam conditions at up to 590°C. Under pressure of over 9.8 MPa resistant to hydrogen at up to 500°C, under lower pressure at up to 600°C. Suitable for pressure.
15 323	17CrMoV10	1.7766						0,15-0,20	0,30-0,50	0,20-0,35	0,035	0,03	2,70-3,20		0,20-0,30	0,10-0,20				P	15 323	Resistant to compressed hydrogen, low-alloyed heat resistant steel, resistant to hydrogen corrosion at up to 500°C, in nitriding conditions resistant at up to 350°C. For pressure devices in chemical industry, welding properties conditionally guaranteed.
15 412	10CrMo11	1.7276						0,12	0,25-0,50	0,15-0,40	0,035	0,04	2,50-3,00		0,25-0,50					P	15 412	For forgings at higher temperature and under higher pressure, welding properties conditionally guaranteed, resistant to hydrogen at up to 450°C. For pressure devices of chemical industry.
15 423	20CrMoV135	1.7779						0,17-0,23	0,30-0,50	0,20-0,35	0,035	0,03	3,00-3,50		0,50-0,65	0,45-0,60				P	15 423	Resistant to compressed hydrogen, low-alloyed heat resistant steel, resistant to hydrogen corrosion at up to 540°C, in nitriding conditions at up to 350°C. For pressure devices in chemical industry, welding properties conditionally guaranteed.