42CrMo Special Alloy Steel 4140 Qt 1.7225 Scm440 Forged Bar

• Serviço pós-venda: suporte técnico online
• Garantia: 1 ano
• Tipo: placa/redonda
• Padrão: ASTM, AISI, GB, JIS, DIN, BS
• Certificação: ISO, RoHS
• Tratamento De Superfície: superfície preta/brilhante
• Técnica: laminados a quente/forjados
• Aplicação: Mold e matrizes
• Use especial: Placa de Aço de Alta Resistência, Aço Resistente ao Desgaste
• Estoque: Estoque
• classe de aço: 4140/1.7225/scm440/42crmo4/42crmo
• superfície: preto/fresado/maquinado
• dureza: ≤ 217hb
• condição de produção: alagado
• condição: dois lados ou quatro lados cortados para barra plana
• padrão de teste ultrassónico: sep1921-84 d/d sob teste de 100%
• forma: barras planas/placas/barras redondas
• moq: 10 toneladas
• tempo de entrega: no prazo de 5 dias
• certificado de folha do moinho: fornecido
• tipo de entrega: envio
• observações sobre o aço: personalizado
• Especificação: Thickness 10-1200mm* Width 100-2300mm
• Marca Registrada: Chimold
• Origem: China
• Código HS: 722830
• Capacidade de Produção: 10000 Tons Per Month

Descrição de Produto

Product Description

 

42CrMo Special Alloy Steel 4140 QT 1.7225 SCM440 Black Surface Forged Bar


 Basic Information
Chemical Composition(%)

Steel Grade	C	Si	Mn	Cr	Ni	Mo	Cu	P	S
4140	0.38~0.45	0.17~0.37	0.50~0.80	0.9~1.20	≤0.30	0.15~0.25	≤0.30	≤0.035	≤0.035
42CrMo4	0.38~0.45	≤0.40	0.60~0.90	0.90~1.20		0.15~0.30		≤0.035	≤0.035
42CrMo	0.38~0.45	0.17~0.37	0.50~0.80	0.90~1.20	≤0.30	0.15~0.25	≤0.30	≤0.035	≤0.035
SCM440	0.38-0.43	0.15-0.35	0.60-0.85	0.90-1.20	≤0.25	0.15-0.30	≤0.30	≤0.03	≤0.03

4140/1.7225/SCM440/42CrMo4/42CrMo

It has high strength and hardenability, good toughness, small deformation during quenching, high creep strength and lasting strength at high temperature.

Application
It is used to manufacture forgings with higher strength and larger quenched and tempered cross-section than 35CrMo steel, such as large gear for locomotive traction, supercharger transmission gear, rear axle, connecting rod and spring clamp with great load, as well as drill pipe joint and fishing tool in oil deep well below 2000m.

Detailed Photos

FAQ

FAQ


Q1: Are you a manufacturer or merely a trader? 
A1: We are not only a stockist of Hot rolled products but also a manufacturer of forged products with our own Forging Mill

Q2: What do you do to control the quality?
A2:  Before loading, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per the customer's request.

Q3:: What are your hot-selling products?
A3: S50C, 1.2311, D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.

Q4: Can we visit your company and factory? 
A4: Yes, warmly welcome! We will book the hotel and assign our driver to pick you up at the airport when you visit.