12.9 合金钢 - GB /T 3098.1-2010

Performance Level	12.9 合金钢
Corresponding Standard	GB /T 3098.1-2010 Mechanical properties of fasteners—Bolts, screws and studs
Classification	Alloy Steel

12.9 合金钢 Chemical Element Composition Content (%)

Component	C	P	S	B
Minimum Value	0.28	-	-	-
Maximum Value	0.5	0.035	0.035	0.003

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