34CrNiMo6 Steel Industrial Applications

34CrNiMo6 steel, also known as grade 1.6582 steel, is an alloy structural steel with excellent comprehensive performance. Renowned for its high strength and good toughness, it is widely used in core components where extremely high strength and reliability are required.

34CrNiMo6 Steel Basic Information Introduction

Chemical Composition		Heat Treatment	Mechanical Property
C	0.3-0.38 %	Quenching temperature	Tensile strength	900-1100 MPa
Si	≤0.4 %	840-860°C	Yield strength	750-900 MPa
Mn	0.5-0.8 %	840-860°C	Elongation	≥12%
Cr	1.3-1.7 %	Tempering temperature	Reduction of Area	≥45%
Ni	1.3-1.7 %	540-650°C	Impact Charpy-V	≥50 J
Mo	0.15-0.3 %	540-650°C	Hardness	28-34HRC

34CrNiMo6 Steel Core Application

Heavy machinery & Engineering equipment

This is the most classic application of 34CrNiMo6 steel, commonly used in core components that withstand enormous impacts and alternating loads.The excellent properties of 34CrNiMo6 steel perfectly meet this requirement.

Transmission system: heavy-duty gears, drive shafts, worm gears, worm shafts, couplings
Strength-bearing structural components: connecting rods, rocker arms, high-strength bolts, pins

Energy & Power equipment

Energy equipment requires long-term stable operation, and the performance of 34CrNiMo6 effectively ensures the reliability of equipment under high temperature, high pressure, and heavy load conditions.

Wind Power Equipment: Wind turbine gearbox gears, main shafts
Thermal/Hydropower Equipment: Turbine main shafts, generator shafts
Petrochemical Equipment: Oil drill pipe joints, high-pressure valve bodies, pump shaft

Automotive Industry

In the automotive field, 34CrNiMo6 is widely used in core load-bearing components of powertrains and transmission systems. These components need to withstand higher stresses on smaller cross-sections, making the high performance of 34CrNiMo6 an ideal choice.

Engine crankshafts, connecting rods, drive gears, gearbox gear shafts

Other Industrial Applications

Hydraulics and Pneumatics: High-pressure hydraulic cylinder piston rods, hydraulic pump shafts, pneumatic valve stems
General Machinery: Compressor crankshafts, centrifuge main shafts, textile machine drive gears, paper machine drying cylinder shafts
Fasteners: High-strength double-ended bolts, anchor bolts, large equipment connecting bolts

Comparison With Other Materials

Materials	Tensile strength,Mpa	Impact toughness	Relative cost	Application
34CrNiMo6	900-1100	40 J (-20℃)	1.0x	Heavy-duty gears, wind turbine main shaft
42CrMo4	800-1000	35 J (-20℃)	0.8x	Automobile crankshaft, hydraulic rod
300M	1900-2100	25 J (-20℃)	5.0x	Aircraft landing gear
Ti-6Al-4V	900-1100	50 J (-20℃)	8.0x	Aviation structural parts

With its excellent comprehensive properties, 34CrNiMo6 steel exhibits reliable stability under heavy loads, high stress, and complex working conditions.We believe its future application prospects will be further explored.