10.9 低、中碳合金钢 - GB /T 3098.1-2010

Performance Level	10.9 低、中碳合金钢
Corresponding Standard	GB /T 3098.1-2010 Mechanical properties of fasteners—Bolts, screws and studs
Classification	Alloy Steel

10.9 低、中碳合金钢 Chemical Element Composition Content (%)

Component	C	P	S	B
Minimum Value	0.2	-	-	-
Maximum Value	0.55	0.035	0.035	0.003

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