We combine scientific research and production, thus promoting the progress of science and technology, and opening up the market prospects of our Alloy Steel Plate, 630 Stainless Steel Bar, C300 cobalt strengthened steelRound Bars. Now we have a dedicated and aggressive sales team, and many branches, catering to our main customers. Only when we stimulate each other, discuss and share in our work, and continuously apply new concepts, new ideas, and new methods to actual work, can we create higher customer satisfaction and achieve greater corporate benefits. In the future, we will continue to provide customers with the most sincere service, strengthen technological innovation, and continuously improve the accuracy and stability of our products.
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 develops, manufactures, and sells advanced Forged Forging 4140/4340 Material Steel Bushing Liner Bushing for a broad range of customers around the world. Our quality service allows us to obtain trust and loyalty with our customers. We have always provided customers with quality products and services with a grateful heart and a strong sense of responsibility. We have established a good mechanism to shorten the time for customers to select and compare one by one when purchasing the whole batch of products.

