11SMnPb28 Type 2Pb - ISO 683-9-1988

Grade	11SMnPb28
ISO Numeric Designation	Type 2Pb
Corresponding Standard	ISO 683-9-1988 Heat-Treatable Steels,Alloy Steels and Free-Cutting Steels-Part 9:wrought Free-Cutting Steels
Classification	Carbon Steel
Properties	Machinability

11SMnPb28 Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^①	S	Pb
Minimum Value	-	-	0.9	-	0.24	0.15
Maximum Value	0.14	0.05	1.3	0.11	0.33	0.35

11SMnPb28 Mechanical Properties

diameter d mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
d≤16	Untreated 510~810	Untreated ≥410	Untreated ≥7	Untreated HB ≤170
16~40	460~760	≥375	≥8	≤159
40~63	410~710	≥305	≥9	≤159
63~100	380~630	≥245	≥10	≤156

1 Approximate Comparison Table Free-Cutting Structural Steel

China		United States	International Organization for Standardization	Germany		France
GB	ISC	ASTM/AISI	ISO	DIN EN/DIN	W-Nr.	NF EN/NF
Y12Pb	U72122	11L08	11SMnPb28	10SPb20	1.0722	10PbF2

2 Approximate Comparison Table Free-Cutting Structural Steel

China		Taiwan, China	Japan	South Korea	United States		International Organization for Standardization	Germany		France	Sweden
GB	ISC	CNS	JIS	KS	ASTM/AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	SS₁₄
Y15Pb	U72152	SUM22L	SUM22L	SUM22L	12L13	G12134	11SMnPb28	9SMnPb28	1.0718	S250Pb	1914

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