42CrMo Special Alloy Steel 4140 Qt 1.7225 Scm440 Round

• After-sales Service: Online Technical Support
• Warranty: 1 Year
• Type: Plate/Round
• Standard: ASTM, AISI, GB, JIS, DIN, BS
• Certification: ISO, RoHS
• Surface Treatment: Black/Bright Surface
• Technique: Hot Rolled/Forged
• Application: Mold & Dies
• Special Use: High-strength Steel Plate, Wear Resistant Steel
• Stock: Stock
• Steel Grade: 4140/1.7225/Scm440/42CrMo4/42CrMo
• Surface: Black/Milled/Machined
• Hardness: ≤217hb
• Producing Condition: Annealed
• Condition: Two Sides or Four Sides Cut for Flat Bar
• Ultrasonic Test Standard: Sep1921-84 D/D Under 100% Test
• Shape: Flat Bars/Plates/Round Bars
• MOQ: 10 Tons
• Delivery Time: Within 5days
• Mill Sheet Certificate: Provided
• Delivery Type: Shipping
• Steel Remarks: Customized
• Specification: Thickness 10-1200mm* Width 100-2300mm
• Trademark: Chimold
• Origin: China
• HS Code: 722830
• Production Capacity: 10000 Tons Per Month

Product Description

Product Description

 

42CrMo Special Alloy Steel 4140 QT 1.7225 SCM440 Milled Surface Round


 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.