50Mn U21502 - GB /T 699-2015

Grade	50Mn
China ISC	U21502
Corresponding Standard	GB /T 699-2015 Quality Carbon Structure Steels
Classification	Carbon Steel
Properties	High Strength High Hardness High Elasticity
Density	7.82 g/cm³

50Mn Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.48	0.17	0.7	-	-	-	-	-
Maximum Value	0.56	0.37	1	0.035	0.035	0.25	0.3	0.25

50Mn Mechanical Properties

diameter(thickness) d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
d=25 (Sample size)	Normalizing + Quenching + Tempering	≥645	≥390	≥13	≥40	Unprocessed Steel ≤255	KU2 ≥31
						Annealed Steel ≤217

1 Approximate Comparison Table High-Quality Carbon Structural Steel

China		Japan	United States		International Organization for Standardization	Russia	Sweden	United Kingdom
GB	ISC	JIS	ASTM/AISI	UNS	ISO	GOST	SS	BS EN/BS
50Mn	U21502	(SWRH52B)	1053	G10530	SL SM	50г	1674	080A52

2 Approximate Comparison Table High-Quality Carbon Structural Steel

China		Japan	United States	International Organization for Standardization	European Standard
GB	ISC	JIS	ASTM/AISI	ISO	EN	Numerical Grade
50Mn (GB/T 699-2015)	U21502	SWRH52B (JIS G3506:2004)	1053 (ASTM A29/A29M:2005)	C50E4 (ISO 683-18:1996)	C50E (EN 1008-1:1991+A1:1996) (EN 10084:1998)	1.1206

3 Approximate Comparison Table High-Quality Carbon Structural Steel

China	Japan	United States	International Organization for Standardization	Germany		France	Russia	United Kingdom
GB	JIS	ASTM/AISI	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	BS EN/BS
50Mn	SWRH50K	1053 1051	Type SC Type DC	C50	1.0540	C50 XC48	50Г	C50 080A52 080A50

4 Approximate Comparison Table High-Quality Carbon Structural Steel

5 Approximate Comparison Table High-Quality Carbon Structural Steel

50Mn Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!