15MnV L12150 - GB 6479-2000

Grade	15MnV
China ISC	L12150
Corresponding Standard	GB 6479-2000 Seamless Steel Tubes for High-Pressure Chemical Fertilizer Equipments
Classification	Alloy Steel

15MnV Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^①	Ni ^①	Cu ^①	V
Minimum Value	0.12	0.2	1.2	-	-	-	-	-	0.04
Maximum Value	0.18	0.6	1.6	0.03	0.03	0.3	0.3	0.2	0.12

15MnV Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
normalizing	510~690	≥350	≥19	KU2 ≥47

• When the final rolling temperature of hot-rolled pipes meets the normalizing temperature, normalizing can be used as a substitute.
• Steel pipes with an outer diameter d≥57mm and a wall thickness T≥14mm shall undergo U-notch impact tests as standard specimens. The evaluation of impact test results shall be in accordance with the provisions of GB/T 17505.
• Except for 12Cr2Mo, for other grades, when the wall thickness T is greater than 16 to 40mm, the yield point is allowed to decrease by 10MPa.

Approximate Comparison Table Structural Alloy Steel

China		Germany
YB	ISC	DIN EN/DIN	W-Nr.
15MnV	A01152	15MnV5	1.5213

15MnV Corresponding Standards(Same grade name, different standards)

1	GB 6479-2000
	15MnV L12150
2	GB 1591-1988
	15MnV

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