Factory Price 4140 Black Surface/Milled Surface Two Sides Cut Flat Ultrasonic E/E Standard Special Steel Bar 4140 42CrMo4 Steel

• Customization: Available
• After-sales Service: Online Technical Support
• Warranty: 1 Year
• Model NO.: 4140/1.7225/SCM440/42CrMo4/42CrMo
• Type: Steel Plate
• Standard: ASTM, AISI, GB, JIS, DIN, BS
• Certification: ISO, RoHS
• Surface Treatment: Blackface
• Technique: Hot Rolled
• 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

Hot Rolled/ Forged Alloy Structural Steel Flat Bar/ Round Bar 4140/1.7225/SCM440/42CrMo4/42CrMo


 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.

Product Pictures

 

 

Chimold locates in Changan Town, Dongguan City, Guangdong Province. We specializes in mold steel, carbon steel, tool steel, high speed steel, structural steel and other special steels, with large amount of stock and factory, being able to store and process the steels according to your actual need. 

Main Products:
 

PLASTIC MOULD STEEL: 1.2311, 1.2312, 1.2738, P20, 1.2083, 1.2316, NAK80, P40, 1.2738HH

HOT WORK MOULD STEEL: 1.2344, SKD61, H13, H11, FDAC, 8407

COLD WORL MOULD STEEL: SKD11, D3, SKS3, 1.2080, 1.2379, CR12MOV, O1, D2

STRUCTURAL ALLOY STEEL: 4140, 20CR, 40Cr, 35CrMo, 42CrMo, 38CrmoAi, SCM440, SCM420, 1.7225

CARBON STEEL &: Q235, Gcr15, S45C, S50C, S55C



Our Stock and Package Pictures




Our Loading Pictures



FAQ

Q1: What do you do for the control of the quality?
A1:  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 customer's request.

Q2:: What are your hot-selling products?
A2: 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.

Q3: Can we visit your company and factory? 
A3: Yes, warmly welcome! We will book the hotel and assign our driver to pick you up at airport when you visit.

Q4: Are you a manufacturer or merely a trader? 
A4: We are a group of companies with manufacturer bases and trading companies. We specialized in plastic mold steel, hot work mold steel, cold work mold steel, alloy steel for mechanical, high-speed steel, etc. All materials are of high quality and competitive price. Our advanced equipments such as horizontal sawing machine, vertical sawing machine and milling machine, which allow us to  process the goods according to actual need.