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DIN 1.6523 Material Cold Stretched SAE 8620 Alloy Steel Round Bar with Good Weldability

Minimum Order Quantity	1 Ton
Price	US $730-1,380 / Ton

Product Details

Model NO.	SAE8620	Specification	66-300300mm
Production Capacity	500tons	Chemical Composition C	0.20
Chemical Composition Si	Max. 0.40	Chemical Composition Mn	0.80
Chemical Composition Cr	0.53	Chemical Composition Mo	0.20
Chemical Composition Ni	0.55	Modulus Of Elasticity	210 X 10^3 N/mm2
Density	7.86 G/cm3	Tensile Strength	≥980 MPa
Yield Strength	≥785 MPa	Elongation	≥9%
Reduction Of Area	≥40%
Highlight	Cold Stretched Steel Round Bar , DIN 1.6523 Material Alloy Steel Round Bar , Good Weldability SAE 8620 Round Bar

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Product Description

DIN10278 DIN1.6523 Material Cold Stretched A+C AISI 8620 Steel Rectangular Bar

SAE 8620H alloy steel round bars offer exceptional performance characteristics including high hardenability, excellent machinability, superior cold strain plasticity, and reliable weldability. This low-carbon nickel chromium molybdenum alloy is specifically designed for carburizing applications.

Key Features

Excellent machinability performance

Superior cold strain plasticity

Reliable weldability

High hardenability characteristics

International Standards Equivalents

Brand Name	Ravne No.	Mat. No.	DIN	EN	AISI
20NCD2	769	1.6523	21NiCrMo2	20NiCrMo2	8620

Chemical Composition (Weight %)

C	Si	Mn	Cr	Mo	Ni	V	W	Others
0.20	max. 0.40	0.80	0.53	0.20	0.55	-	-	-

Material Description

20NCD2 is a hardenable chromium, molybdenum, nickel low alloy steel specifically designed for carburizing applications to develop case-hardened components. This case-hardening process delivers exceptional wear characteristics and surface durability.

Primary Applications

Ideal for gears, shafts, bearings, and other critical components requiring a hard carburized case combined with a tough, durable core. Commonly used in transmission systems, tractor motors, and automotive applications.

Physical Properties

Modulus of elasticity: 210 × 10³ N/mm²

Density: 7.86 g/cm³

Heat Treatment Specifications

Treatment	Temperature	Cooling
Case hardening	880-980°C	Oil (water), hot bath 160-250°C
Carburising	880-980°C	Oil (water), hot bath 160-250°C
Direct hardening	880-980°C	Oil, hot bath 160-250°C
Core refining	860-900°C	Oil, hot bath 160-250°C
Core refining	780-820°C	Oil, hot bath 160-250°C
Tempering	150-200°C	Air

Available Stock Sizes

Round Bar Diameter: 12-380mm

Available in various conditions including pre-hardened, hot rolled, annealed, quenched and tempered, with surface conditions ranging from black to pre-machined, grinding, and polished finishes.

Quality Assurance & Service Commitment

• Materials sourced exclusively from certified steel manufacturers

• ISO 9001 certified quality management system

• Speedy and timely delivery with competitive pricing

• Comprehensive value-added services including metal cutting, sizing, machining, and heat treatment

• Sawing services for both small and large quantities

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