- ASTM A 320-2000

ASTM Specification or Grade	L1
Corresponding Standard	ASTM A 320-2000 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for Low-Temperature Service
Classification	Carbon Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	B
Minimum Value	0.17	0.15	0.7	-	-	0.001
Maximum Value	0.24	0.3	1.4	0.035	0.05	0.003

Mechanical Properties

diameter（grade） d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
d≤65(L1)	Quenching + Tempering	≥860	≥725	≥16	≥50

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