34CrNiMo6
High-strength alloy bar for heavy-duty shafts and fatigue-critical parts.
34CrNiMo6 is known for excellent toughness and fatigue resistance, making it a practical choice for very demanding mechanical parts.
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34CrNiMo6
Key point
Built for high load-bearing capacity and reliable service.
Well suited to large shafts, gear shafts, and heavy machinery.
Product Summary
High-strength alloy steel for demanding industrial machinery.
The normalized content keeps the same technical intent as the source note while presenting it in a buyer-friendly format.
Introduction
34CrNiMo6 (EN 1.6582) is a high-strength alloy steel known for excellent toughness and fatigue resistance. It is widely used in heavy-duty mechanical components requiring high load-bearing capacity.
Equivalent grades
EN
34CrNiMo6 / 1.6582
ASTM
4340
GB
34CrNiMo6
Chemical composition
C
Detailed source notes 42 more points
0.30 - 0.38
Si
0.15 - 0.40
Mn
0.50 - 0.80
Cr
1.30 - 1.70
Ni
1.30 - 1.70
Mo
0.15 - 0.30
Mechanical properties
Tensile strength
900 - 1100 MPa
Yield strength
≥ 750 MPa
Specifications
Diameter
20 - 400 mm
Length
3 - 12 m
Condition
QT
Heavy duty shafts
Gear shafts
Oil & gas equipment
Mining machinery components
Manufacturing options
QT delivery support
Forged or hot rolled supply
Rough machining and precision machining
Surface treatment on request
Inspection points
Chemical analysis
Mechanical testing
UT inspection
Dimensional review
Inquiry
Need 34CrNiMo6 for a heavy-duty project?
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