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  • Alloy Steel Plate Sae4140 42crmo Din1 7225 - China

    price: contact company for price

    Alloy Steel Plate SAE4140/42CrMo/DIN1.7225

    1.1.7225/SAE4140/GB42CrMo, JIS SCM440 alloy steel plate

    2.Hot rolled or forged condition, annealing or harden, black or milled surface

    3.Pre-heat treatment:

    Annealing : heat to 840-860°c, keep 2H, furnace cold, hardness≤217HBS

    High temperature tempering : heat to 680-700°c, air cold, hardness ≤217HBS

    4.Heat treatment:

    Normalization: heating to 840 to 880 ° C, maintenance, furnace cooling to 600 ° C, then in air.

    Stress relieving: after rough heat to 500 ° C, maintenance raff. In oven to 400 ° C, then in air.

    Hardening: preheating from 600 to 650 ° C austenitizing

    at 840 to 880 ° C, quenching in oil.

    Tempering: heating to 550 - 650 ° C and maintenance regime, again depending on the mechanical properties

    5. Hot rolled technology:EAF+LF+VD

    Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface

    6.Ultrasonic test standard: SPE1921-GR3, CLASS C/C or D/D

    7.Production leadtime: 7~10 days

    Applications:

    General service industries (petroleum, food, hemical, paper, ertilizer, Fabric, aviation and nuclear)

    Fluid, gas and oil transport

    Pressure and heat transmission

    Construction and ornament

    Boiler heat exchangers

    Competitive Advantage:

    Good purity and homogeneity.

    Good machinability(Roughing, grinding and drilling).

    Good dimensional stability during heat treatment.

    Excellent preparation for nitriding, both ionic and gaseous, induction hardening to increase the mechanical properties.

    Competitive price

    Fast production leadtime

    All the material are inspected with 3 times to meet the highly standards


    Company Contact:


    • Phone: 8676989878426

    • Address: 2nd Floor, Shihai Commercial Building, Jinghai Roa, Guangzhou, China

    • Email: Email

    Published date: November 30, 2013 -

    • Business Description: involved in international trade import export of goods, products, and services

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