On the basis of consolidating our brand, we have also researched and developed a variety of 410 Stainless Steel Bar, 6150 Spring Steel Strip, Titanium Elbow Bend in a timely manner according to market demand and user needs. We always take protecting the environment and guarding the future as our own responsibility. Our company can have such a large scale is the result of the efforts of leaders and employees, as well as the support and trust of the majority of demand groups.
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
Well-run equipment, specialist income crew, and better after-sales services; We're also a unified major family, anyone stay with the organization value 'unification, determination, tolerance' for Factory Direct Sale Alloy Material Hollow Steel Bar. In our trade with merchants of several countries, we often adhere to the principle of equality and mutual advantage. We sincerely welcome and together we share in global resources, opening up new career together with the chapter.