10SPb20 - DIN EN ISO 683-4-2018

Grade	10SPb20
Corresponding Standard	DIN EN ISO 683-4-2018 Heat-Treatable Steels,alloy Steels and Free-Cutting Steels--Part 4: Free-Cutting Steels
Classification	Carbon Steel
Properties	Machinability Carburizing Ability

10SPb20 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Pb
Minimum Value	0.07	-	0.7	-	0.15	0.2
Maximum Value	0.13	0.4	1.1	0.06	0.25	0.35

10SPb20 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Hardness HBW
5<d≤63	Untreated (U)	360~530	≤156
63<d≤100	Untreated (U)	350~490	≤146

New and Old Grade Replacement List

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

10SPb20 Corresponding Standards(Same grade name, different standards)

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