• NF 56Si7 round bar
  • NF 56Si7 forging
  • NF 56Si7 sheet
  • NF 56Si7 flat bar
  • NF 56Si7 pipe
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NF 56Si7

LonghaiSteel supply domestic and overseas customers with NF 56Si7 steel plate, NF 56Si7 flat steel, NF 56Si7 steel sheet, NF 56Si7 wire coil, NF 56Si7 square bar, NF 56Si7 round rod, NF 56Si7 steel pipe, NF 56Si7forged valve body, NF 56Si7 forged steel rings, NF 56Si7 forged multidiameter shafts. Through many years' production experiences,we strictly control NF 56Si7 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 56Si7 hot roll and cold deformation Spring steel with high quality and competitive quotation, If you are keen interested in the spring steel, please feel free to contact with us for more detailed data concerning this type of structure steel Today! We will serve you with honesty, integrity, and professionality. And some specific feature is as follows:

Chemical composition and Steel grade
Steel grade: NF 56Si7
C(%):    0.52~0.60
Si(%):    1.50~2.00
Mn(%):    0.60~0.90
P(%)≤:    0.025
S(%)≤:    0.025
Cr(%):    —
Mo(%):    —
Other:    —
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 requirementExcellent 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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