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SAE8620H Alloy Steel Round Bar with High Hardenability Good Weldability and Cold

China SAE8620H Alloy Steel Round Bar with High Hardenability Good Weldability and Cold

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SAE8620H Alloy Steel Round Bar with High Hardenability Good Weldability and Cold

MOQ： 1 Ton
Price： US $720-1,350 / Ton
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Model NO.	SAE8620H
Surface Treatment	Polished
Diameter Range	OD 6-630mm
Production Capacity	500tons
Chemical Composition C	0.17-0.23
Chemical Composition Si	0.17-0.37
Chemical Composition Mn	0.6-0.95
Chemical Composition Cr	0.4-0.7
Chemical Composition Mo	0.20-0.30
Tensile Strength	≥980(100) MPa
Yield Strength	≥785(80) MPa
Elongation	≥9%
Reduction of Area	≥40%
Impact Energy	≥47 J
Density	7.86 g/cm3

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Product Details
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Product Specification


Model NO.	SAE8620H	Surface Treatment	Polished
Diameter Range	OD 6-630mm	Production Capacity	500tons
Chemical Composition C	0.17-0.23	Chemical Composition Si	0.17-0.37
Chemical Composition Mn	0.6-0.95	Chemical Composition Cr	0.4-0.7
Chemical Composition Mo	0.20-0.30	Tensile Strength	≥980(100) MPa
Yield Strength	≥785(80) MPa	Elongation	≥9%
Reduction of Area	≥40%	Impact Energy	≥47 J
Density	7.86 g/cm3
High Light	High Hardenability SAE8620H Alloy Steel Round Bar ，Good Weldability 20CrNiMo Alloy Steel Bar ，Cold Strain Plasticity 1.6523 Steel Round Bar

SAE8620H Alloy Solid Round Bar

SAE 8620H alloy steel round bar is a low carbon nickel chromium molybdenum alloy structural steel with excellent carburizing properties, formability, and weldability. This grade offers high hardenability without fragility after tempering, along with good machinability and cold strain plasticity.

Key Features

Excellent machinability performance
Superior cold strain plasticity
Good weldability characteristics
High hardenability properties

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	-	-	-

Detailed Specifications

20NCD2 is a hardenable chromium, molybdenum, nickel low alloy steel specifically designed for carburizing applications to develop case-hardened components with excellent wear characteristics.

Typical Applications

Gears, shafts, bearings, piston rings, ring gears, crankshafts, and other applications requiring a hard carburized case with a tough core. Widely used in transmission systems, tractor motors, and automotive components.

Physical Properties

Property	Value
Modulus of elasticity	210 x 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 / 780-820°C	Oil, hot bath 160-250°C
Tempering	150-200°C	Air

Available Stock Sizes

Round bar diameters: 12-380mm

Available in various conditions: pre-hardened, hot rolled, annealed, quenched and tempered, with surface conditions including black, pre-machined, grinding, and polish.

Quality Assurance & Services

Why Choose Our SAE8620H Alloy Steel?

Quality Assurance: Materials sourced directly from government-owned steel mills with ISO 9001 certified quality management
Timely Delivery: Speedy processing and delivery for all order sizes with shortest lead times
Comprehensive Inventory: Unique stock of specialty steel in various sizes and conditions
Value-Added Services: Metal cutting, sizing, machining (blanking, milling, grinding), heat treatment, and sawing services
Customer Focus: Excellent customer service with orders of any size or length

SAE8620H alloy steel round bar inventory

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for illustration purposes to enable evaluation and are not intended as warranties of fitness for any particular purpose.

Company Details

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Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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