With our advanced equipment and exquisite workmanship, we focus on the development and production of 440C Stainless Steel Plate, Bearing Steel Bar, P20 steel mold life through continuous practice and innovation. We have modern management mechanisms, advanced processing equipment, perfect testing methods, high-quality scientific research personnel, and considerate after-sales tracking services. We provide customers with advanced and economical services with a high degree of professionalism. We sincerely look forward to a wide range of technical exchanges and trade cooperation with colleagues at home and abroad for mutual benefit and common development.
4140 steel bushing
We have been in steel area for more than ten years, focus on producing 4140 steel bushing. This 4140 steel bushing is always machined from round bar according to customer drawings. If you have drawings, please free to send to us.
Introduction
4140 plate products are divided into low alloy steel plates, carbon structural steel plates alloy structural steel plates, boiler and pressure vessel plates, bridge plates, building structural plates, shipbuilding and offshore oil platform plates, pipeline plates, high-toughness steel plates, mold plates, More than 300 grades of 12 series, such as corrosion-resistant plates and composite steel plates, of which more than 40 varieties have filled domestic gaps, more than 80 varieties have successfully replaced imports, and more than 30 varieties have been exported to the United States, Germany and other developed regions.
The standard is listed below
USA ASTM4140
JapanSCM440
German standard 42CRMO4 1.7725 alloy seamless steel pipe.
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 |
Stock tube
Why choose us?
● Competitiveness only with cost performance
Physical factories, complete equipment, professional quality and ultra-flat ex-factory prices are the core competitiveness of our company.
● Perfect management team
A professional management team and advanced production equipment are a powerful guarantee for us to achieve high-quality products. We sincerely welcome field inspections.
● One-stop service for customers: rest assured, worry-free and comfortable
Package
In order to reduce the occurrence of extrusion deformation, breakage, etc. of the steel during the transportation process, which affects the normal use of the product. Therefore, we make different sizes of fumigation wooden boxes, wooden trays or fumigation-free glue trays and wooden boxes to fix products according to the shape, size and specifications of the products, and at the same time, wrap the steel with foamed paper to prevent the products from colliding with each other and causing losses. Also gives you a better shopping experience
Our Service
Our company has a professional R&D team, sophisticated processing equipment, and a complete set of testing procedures to ensure product quality, increase market share, and consolidate our position in the Europe Customized Precision Brass C3603 CNC Turning Coupling for Cable Voltage Testing Machine (S-216) industry. We have a modern office environment, as well as high-quality scientific research and technical personnel and management team. All products are developed in adherence to the quality standards by using quality materials and advance techniques. Adhering to the enterprise spirit of 'hard work, innovation, science and competition', we are willing to work with you to create a better future!