• ISO 70Mn4/B42 round bar
  • ISO 70Mn4/B42 forging
  • ISO 70Mn4/B42 sheet
  • ISO 70Mn4/B42 flat bar
  • ISO 70Mn4/B42 pipe
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ISO 70Mn4/B42

LonghaiSteel supply domestic and overseas customers with ISO 70Mn4/B42 steel plate, ISO 70Mn4/B42 flat steel,ISO 70Mn4/B42 steel sheet,ISO 70Mn4/B42 wire coil,ISO 70Mn4/B42 square bar,ISO 70Mn4/B42 round rod, ISO 70Mn4/B42 steel pipe,ISO 70Mn4/B42forged valve body,ISO 70Mn4/B42 forged steel rings,ISO 70Mn4/B42 forged multidiameter shafts. Through many years' production experiences,we strictly control ISO 70Mn4/B42 chemical composition and mechanical properties from casting, forging, rolling, heat treatment, etc. We have advanced precision machining equipments with a higher productioncapacity,bringinga best service and affordable prices to customersfrom all over the world.

LonghaiSteel are Manufacturer and Supplier of 70Mn4/B42 high-frequency heating quenching bearing steel with high quality and competitive quotation, If you are keen interested in the bearing steel, please feel free to contact with us for more detailed data concerning the bearing steel Today! We will serve you with honesty, integrity, and professionality. And specific feature is as follows:


Steel grade and Chemical composition
Surface conditions: scaled (hot working finished)/ground/rough machining/fine machining or based on the customer's special requirements.
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirement
Excellent service for all kinds of industries,with advantages of technologies, equipment and price.
Specialized in high quality steel and best service.
forged/hot rolling/ extrusion of steel/mechanical processing services
We produce and offer steel products with following specifications:
Round bar steel (Diameter): 1mm to 3000mm
Square steel: 1mm to 2000mm
Plate steel: 0.1mm to 2500mm
Width: 10mm to 2500mm
Length: We can supply random length based on the customer's requirement.
Forged steel shape: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.

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