230M07 - BS 970-1-1983

Grade	230M07
Corresponding Standard	BS 970-1-1983 British Standard Specification for Wrough steels for mechanical and allied engineering purposes Part 1. General inspection and testing procedures and specific requirements for carbon,carbon manganese,alloy and stainless steels
Classification	Carbon Steel
Properties	Machinability

230M07 Chemical Element Composition Content (%)

Component	C	Mn	P	S
Minimum Value	-	0.9	-	0.25
Maximum Value	0.15	1.3	0.07	0.35

• For older grades of stainless steel, see Table 2 of standard BS 970-4-1970

230M07 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
≥360	≥215	≥22	HB ≥103

• Re-yield strength；Rp0.2-Stress at 0.2% proof plastic elongation (0.2% proof strength).
• Not specified, σs in the table refers to Re
• ft.lb=1.3558J

Approximate Comparison Table Free-Cutting Structural Steel

Taiwan, China	Japan	South Korea	United States		Germany		France	Sweden	United Kingdom
CNS	JIS	KS	ASTM/AISI	UNS	DIN EN/DIN	W-Nr.	NF EN/NF	SS₁₄	BS EN/BS
SUM22	SUM22	SUM22	1213	G12130	9SMn28	1.0715	S250	1912	230M07

230M07 Corresponding Standards(Same grade name, different standards)

1	BS 970-3-1991
	230M07
2	BS 970-1-1983
	230M07

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