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34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
Specifications
MOQ :
1 Ton
Price :
US $680-1,650 / Ton
Material Grade :
34CrNiMo6 DIN1.6582
Carbon Content :
0.30-0.38%
Silicon Content :
Max 0.40%
Manganese Content :
0.50-0.80%
Chromium Content :
1.30-1.70%
Molybdenum Content :
0.15-0.30%
Nickel Content :
1.30-1.70%
Round Bar Diameter :
10-1000mm
Square Bar Size :
150×150-500×500mm
Length :
3000-10000mm
Tensile Strength :
≥980 MPa
Yield Strength :
≥785 MPa
Elongation :
≥9%
Reduction of Area :
≥40%
Impact Test :
≥47 J
Description
34CrNiMo6 200mm Bright Square Bar - AISI 4340 Alloy Steel
High-quality 34CrNiMo6 (DIN 1.6582) alloy steel square bars manufactured according to EN 10083-3 standards. This nickel-molybdenum alloy steel offers exceptional strength and comprehensive mechanical properties for demanding industrial applications.
Material Specifications
Chemical Composition
Element Content (%)
Carbon 0.30-0.38
Silicon Max 0.40
Manganese 0.50-0.80
Chromium 1.30-1.70
Molybdenum 0.15-0.30
Nickel 1.30-1.70
Mechanical Properties
Property Value
Tensile Strength ≥980 MPa (100 kgf/mm²)
Yield Strength ≥785 MPa (80 kgf/mm²)
Elongation ≥9%
Reduction of Area ≥40%
Impact Energy (Akv) ≥47 J
Available Forms & Sizes
Forged Steel Products
  • Round Bars: Diameter 80-1,000mm, Length 3,000-10,000mm
  • Square Bars: 150×150-500×500mm, Length 3,000-8,000mm
  • Custom forged flat bars, blocks, shafts, and forging pieces available
Rolled Steel Products
  • Round Bars: Diameter 10-300mm, Length 3,000-10,000mm
  • Custom lengths available upon request
Dimensional Tolerances
  • Black surface: -0/+8mm
  • Machined surface: -0/+3mm
  • Straightness deviation: Maximum 2mm/meter with 360° rotary device
Heat Treatment Processes
Hardening & Tempering
  • Heat uniformly to 850°C
  • Quench in oil
  • Reheat to 550°C and soak for minimum 2 hours
  • Cool in furnace
Annealing
  • Heat thoroughly to 800-850°C
  • Cool slowly to 550°C
  • Complete annealing in air
Normalizing
  • Heat to 850°C
  • Cool to room temperature in air
Quality Certification
  • Chemical composition per DIN 7527-6, EN 10250-3
  • Complete mechanical properties testing
  • Non-metallic inclusions analysis
  • Grain size: Minimum 5, preferred 8 (DIN 50601)
  • 360° ultrasonic testing per EN 10228-3
  • Impact testing on three ISO-V samples at +20°C
Industrial Applications
34CrNiMo6 steel is ideal for high-stress components including transmission systems, tractor motors, automotive parts, and mining equipment. Common applications include:
  • High-load shafts and connecting rods
  • Carburized gears and pinions
  • Engine camshafts and crankshafts
  • Bearings and piston rings
  • Surface-hardened wear-resistant components
  • Oil drilling equipment and mining tools
Forging Guidelines
  • Carefully preheat material
  • Raise forging temperature to 1150-1200°C
  • Maintain temperature above 850°C during forging
Why Choose Our 34CrNiMo6 Alloy Steel?
  • Quality Assurance: Materials sourced directly from certified steel manufacturers
  • Competitive Pricing: High-quality products at affordable prices
  • Fast Delivery: Priority treatment for all orders with shortest lead times
  • ISO 9001 Certified: Continuous quality management system improvements
  • Comprehensive Services: Cutting, sizing, machining, and heat treatment available
  • Flexible Orders: Any size, any length with fast shipping
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application 34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application 34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application 34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application 34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application 34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application 34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application 34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application 34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
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34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application

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Product Detail
MOQ :
1 Ton
Price :
US $680-1,650 / Ton
Material Grade :
34CrNiMo6 DIN1.6582
Carbon Content :
0.30-0.38%
Silicon Content :
Max 0.40%
Manganese Content :
0.50-0.80%
Contact Supplier
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application
34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Verified Supplier
4 Years
jiangsu, wuxi
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
stainless steel roofing sheet, Stainless Steel Strip, Others stainless steel sheet
Total Annual :
>1000000
Employee Number :
>100
Certification Level :
Verified Supplier
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