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

Quantidade de ordem mínima	1 tonelada
Preço	US $720-1,350 / Ton

Detalhes do produto

Modelo NÃO.	SAE8620H	Tratamento de superfície	Polido
Faixa de diâmetro	DE 6-630 mm	Capacidade de produção	500 TONELADAS
Composição química c	0.17-0.23	Composição química Si	0.17-0.37
Composição química Mn	0,6-0,95	Composição química Cr	0.4-0.7
Composição química MO	0.20-0.30	Resistência à tracção	≥980(100) MPa
Força de rendimento	≥785(80)MPa	Alongamento	≥9%
Redução de área	≥40%	Energia de impacto	≥47 J
Densidade	70,86 g/cm3
Destacar	High Hardenability SAE8620H Alloy Steel Round Bar , Good Weldability 20CrNiMo Alloy Steel Bar , Cold Strain Plasticity 1.6523 Steel Round Bar

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Descrição de produto

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

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.

Etiquetas:

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

High Hardenability SAE8620H Alloy Steel Round Bar

Good Weldability 20CrNiMo Alloy Steel Bar

Cold Strain Plasticity 1.6523 Steel Round Bar