11V37 Class 75 - ASTM A920/A920M-2024

Grade	11V37 Class 75
Corresponding Standard	ASTM A920/A920M-2024 Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Quality, Mechanical Properties
Classification	Carbon Steel

11V37 Class 75 Chemical Element Composition Content (%)

Component	C	Si ^①	Mn	P	S	Mo ^②	V ^②	Nb ^②
Minimum Value	0.32	0.15	1.35	-	0.08	0.01	0.02	0.005
Maximum Value	0.39	0.35	1.65	0.04	0.13	0.3	0.2	0.07

① Silicon analysis shall be 0.15/0.35 %. Silicon content up to 0.80 % maximum may be furnished upon agreement between purchaser and producer.
② Vanadium, columbium (niobium), or molybdenum may be specified singly or in combination, subject to the limits shown in Table. The elements and ranges specified shall be upon agreement between the purchaser and the producer.
③ Nitrogen may be specified as a supplement to vanadium, columbium, or titanium. If specified, the nitrogen content shall not exceed 0.030 % and shall be reported.
④ Titanium shall be added when specified for refinement of the ferritic-pearlitic (or bainitic) or austenitic grain size. When titanium is specified, the titanium limits shall be as agreed upon between producer and purchaser. The titanium content shall be reported.

11V37 Class 75 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥690	≥520	≥10

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