Todos los productos

Raian Ionescu

Calidad material muy buena. tenemos cooperar más de 10 años. Negocian clases de las porciones de material de acero. Toda la calidad material buena. Ellos deber para toda la calidad material. Estamos acepillando para continuar cooperando con ellos en el futuro

Persona de Contactar Ahora : Gao

Número de teléfono : 18068357371

whatsapp : +8618068357371

20CrNiMoA Alloy Steel Round Bar with Polished Surface and OD 6-630mm for Structural Applications

Cantidad de orden mínima	1 tonelada
Precio	US $850-1,250 / Ton

Datos del producto

Modelo NO.	20CrNiMoA	Tratamiento superficial	Pulido
Tipo de aleación	Aleación	Rango de diámetro	DE 6-630 mm
Capacidad de producción	500TONELADAS	Contenido de carbono	0.17-0.23
Contenido de silicio	0.17 a 0.37	Contenido del manganeso	0.6-0.95
contenido del cromo	0.4-0.7	Contenido de molibdeno	0.20-0.30
Resistencia a la tracción	≥980 MPa	Fuerza de producción	≥ 785 Mpa
Alargamiento	el ≥9%	Área de reducción	≥40%
Energía de impacto	≥47J
Resaltar	20CrNiMoA Alloy Steel Round Bar , Polished Surface Alloy Steel Round Bar , OD 6-630mm Structural Steel Bar

Deja un mensaje

Descripción de producto

SNCM220 20CrNiMo Structural Alloy Steel Round Bar

SAE 8620H Alloy Round Bar is a high-quality structural alloy steel manufactured according to Chinese Standard A50202. This low carbon nickel chromium molybdenum alloy offers excellent carburized properties, superior formability, and reliable weldability.

Key Features

Excellent machinability performance
Superior cold strain plasticity
Reliable weldability
High hardenability without fragility after tempering

International Standards Equivalents

Chinese (GB)	American (AISI)	German (DIN)	Japanese (JIS)
20CrNiMo	SAE 8620	1.6523	/

Chemical Composition

Element	C	Si	Mn	P	S	Cr	Mo	Cu	Ni
Content (%)	0.17-0.23	0.17-0.37	0.6-0.95	≤0.035	≤0.035	0.4-0.7	0.20-0.30	≤0.30	/

Mechanical Properties

Property	Value
Quenching Temperature	850°C (oil cooled)
Tempering	200°C (air cooled)
Tensile Strength (σb)	≥980 MPa (100)
Yield Strength (σs)	≥785 MPa (80)
Elongation (δ5)	≥9%
Reduction of Area (ψ)	≥40%
Impact Energy (Akv)	≥47 J

Applications

Widely used in transmission systems, tractor motors, and small to medium automotive components. Serves as an alternative to 12CrNi3 for high-class carburization and cyanide carburizing parts including oil drilling equipment, mining claws, and cones. Commonly specified for carburized gears, pinions, shafts, bearings, piston rings, ring gears, and crankshafts.

Available Stock Sizes

Round Bar Diameter: 12-380mm
Available in various conditions: pre-hardened, hot rolled, annealed, quenched and tempered
Surface conditions: black, pre-machined, grinding, and polish

Why Choose Our Alloy Steel Products

Quality Assurance

We source materials exclusively from government-owned steel mills to ensure consistent quality and reliability in every product we supply.

Timely Delivery

We prioritize every order with efficient processing and logistics to ensure your materials arrive when you need them, whether raw or finished with machining/heat treatment.

Quality Commitment

Our ISO 9001 certified quality management system undergoes regular audits and continuous improvement to meet the highest industry standards.

Comprehensive Services

We provide specialty steel for all industries with value-added services including metal cutting, sizing, machining (blanking, milling, grinding), heat treatment, and custom sawing for any quantity.