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34CrNiMo6 200mm Bright Square Bar AISI4340 Alloy Steel Square Bar with Polished Surface High Strength for Mold Steel Application

Количество мин заказа	1 тонна
Цена	US $680-1,650 / Ton

Подробная информация о продукте

Марка материала	34crnimo6 DIN1.6582	Содержание углерода	0,30-0,38%
Содержание кремния	Макс 0,40%	Содержание марганца	0,50-0,80%
содержание хромия	1,30-1,70%	Содержание молибдена	0,15-0,30%
Содержание никеля	1,30-1,70%	Круглый диаметр ствола	10-1000mm
Размер квадратного стержня	150×150-500×500 мм	Длина	3000-10000 мм
Предел прочности	≥980 МПа	Предел текучести	≥ 785 МПа
Удлинение	≥9%	Уменьшение площади	≥40%
испытание на удар	≥47 Дж
Выделить	Polished Surface Alloy Steel Square Bar , High Strength 34CrNiMo6 Steel Bar , Mold Steel Application AISI4340 Square Bar

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Характер продукции

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