Our destination is 'You come here with difficulty and we offer you a smile to take away' for 4130 Steel Tube, Mould Steel Sheet, D2 Mould Steel Bar. Relying on advanced technology and industry reputation of good cooperation, we try our best to provide more quality products and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future. With a wide range, good quality, realistic charges and stylish designs, Our products and solutions are widely recognized and trusted by users and can fulfill continuously changing economic and social needs.
4140 is a steel with a carbon content of only 0.38% and 0.43%. 4140 has good hardening properties. 4140 steel has round bars, square bars, slabs and hollow tubes. You can order products of any size, shape or quantity from numerous suppliers. 4140 steel is widely used in the manufacture of gears, bearings, machine shafts, rollers and bolts
The standard is listed below
USA ASTM4140
JapanSCM440
Germany 42CRMO4 1.7725 Hollow bar
42CrMo steel belongs to ultra high strength steel, with high strength and toughness, hardenability is also good.
Technical parameters
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Specifications |
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Chemical component |
C ：0.38～0.45% Si：0.17～0.37% Mn：0.50～0.80% S ：≤0.035% P ：≤0.035% Cr：0.90～1.20% Ni：≤0.30% Cu：≤0.30% Mo：0.15～0.25%[ |
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Mechanical property |
Tensile strengthσb/MPa)：≥1080 Yield strength(σs/MPa)：≥930 Elongation (δ5/%)：≥12 |
Usage
4140 is widely used in petroleum, chemical, power station, boiler and other industries, used in the production of reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders , High-pressure water pipes of hydropower stations, turbine turbines and other equipment and components.
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About us
Our company has become a model for the success of peer companies based on the principles of "integrity, professionalism, pragmatism and efficiency" and the business philosophy of "high quality and low price". The company's customers are involved in various industries and have won their praise and trust, forming long-term cooperative relationships. We sincerely welcome friends from all over the world to visit our company.
Product shipping packaging
① Before leaving the factory: check whether the product meets the specifications and the quantity is correct.
② Packaging method: Large wooden squares are used to fix the product position, and each product is wrapped with foamed paper. Prevent the product from being damaged by collision and unnecessary loss during transportation.
③ Mode of transportation: sea transportation, land transportation, railway transportation
Our Service
We have many excellent staff members good at marketing, QC, and dealing with kinds of troublesome problem in the production process for Closed Forging SAE4140 SAE4340 Steel Hollow Bar. It's a pleasure to have friends coming from afar, warmly welcome all friends from all walks of life to visit our company for investigation and guidance and establish business cooperation relationship with us. We guide market development with product technology innovation, rely on industry services, products, and sales to integrate product resources and optimize internal structure.