45CrNiMoVA alloy steel plate round bar

Standard: GB/T 3077

Description: 45CrNiMoVA steel is a low-alloy strength steel with high hardenability, ultra-high strength and good toughness. 45CrNiMoVA alloy steel is widely used in high-stress fields such as aviation, aerospace, and military industry. ...

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45CrNiMoVA steel is a low-alloy strength steel with high hardenability, ultra-high strength and good toughness. 45CrNiMoVA alloy steel is widely used in high-stress fields such as aviation, aerospace, and military industry.

45CrNiMoVA alloy steel is a premium structural steel primarily used in the manufacturing of heavy-duty components. Conforming to the Chinese GB/T 3077 standard.

Applications:
Manufacturing of crankshafts, connecting rods, and gears for heavy machinery.
Production of high-strength fasteners and bolts.
Components for aerospace and military equipment.
Tools and dies

Common Dimensions of 45CrNiMoVA Alloy Steel
Round Bars: Diameter ranging from 10mm to 500mm.
Flat Bars: Thickness from 10mm to 200mm, width from 20mm to 600mm.
Plates: Thickness from 10mm to 150mm, width up to 2000mm.
Forged Parts: Custom dimensions based on specific requirements.

Chemical Composition of 45CrNiMoVA Alloy Steel

The chemical makeup of 45CrNiMoVA is carefully designed to ensure its superior properties.

Element	C	Si	Mn	Cr	Ni	Mo	V
Content (%)	0.42-0.49	0.17-0.37	0.50-0.80	0.80-1.10	1.30-1.80	0.20-0.30	0.10-0.20

Mechanical Properties of 45CrNiMoVA Alloy Steel

The mechanical performance of 45CrNiMoVA steel makes it suitable for high-stress applications.

Property	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Toughness (J)	Hardness (HRC)
Value	≥1080	≥930	≥12	≥78	32-38

Equivalent Materials to 45CrNiMoVA Alloy Steel

For international compatibility, 45CrNiMoVA can be compared to other steel grades from different standards.

Standard	Equivalent Grade
AISI/SAE (USA)	4340
EN (Europe)	36CrNiMo4
JIS (Japan)	SNCM439

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