Through continuous development and innovation, our 4J36 nickel alloy round Bar, Alloy Steel, T1 HSS Rods for High Speed Tool Steel drill has a competitive advantage in terms of quality, price and after-sales service. We have formed our own core product technology through continuous research on domestic and foreign experience and the introduction of advanced production technology. We abide by our service commitments, regard credibility as our life, and rely on quality to win customer trust. We have strong development capabilities and perfect after-sales management system to ensure the product and service are of high standards. We fully rely on technological development to be invincible in the fierce competition with outstanding quality and exquisite appearance.
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
Specifications | |
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%[ |
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
We have won the trust of the market and customers with our sincere and firm faith in dedication, making our U. S. ODM Customized Black Oxide Aluminium Al2024 CNC Machined Cable Mangement Connector (S-254) sell well both at home and abroad. We have faith in 'building a brand with quality and winning the market with integrity', and we always aim at customer satisfaction, constantly innovating technology, and improving product service quality. Our company will continue to adhere to the business philosophy of 'survive by quality, reputation for integrity, and development for innovation', focusing on the research and development of high-quality products, and strive to build an excellent brand with international competitiveness.