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HQ 705

HQ 705® is Alloyed high quality  prehardened machinery steel with good hardenability also in heavier  sizes. It combines high strength with best toughness. HQ 705® is supplied in Quench and Tempered ​I Hardened and Tempered  (Prehardened) with no further heat  treatment required . Its improve  the strength and  toughness of the materials as well as improve the  grain distributions . It can be oil hardened  to  higher    mechanical properties if  required . HQ  705®  is  suitable  for  induction hardening and can  also  be  nitrided or tufftrided to a surface hardness of 600 - 650 Vickers.
  • High Quality Machinery Steel HQ 705 Diameter > 300 mm
    High Quality Machinery Steel HQ 705 Diameter > 300 mm
    Rp. 137
    *Price Includes Value Added Tax
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  • High Quality Machinery Steel HQ 705 Diameter 205 mm - 300 mm
    High Quality Machinery Steel HQ 705 Diameter 205 mm - 300 mm
    Request a Quote
  • High Quality Machinery Steel HQ 705 Diameter 105 mm - 200 mm
    High Quality Machinery Steel HQ 705 Diameter 105 mm - 200 mm
    Request a Quote
  • High Quality Machinery Steel HQ 705 Diameter 10 mm - 100 mm
    High Quality Machinery Steel HQ 705 Diameter 10 mm - 100 mm
    Request a Quote
  • High Quality Machinery Steel HQ 705
    High Quality Machinery Steel HQ 705
    Rp. 137
    *Price Includes Value Added Tax
    Request a Quote

    • Equivalent Grade


    International Standards:

     

    AISI/SAE/ASTM : 4340

    Werkstoff : 1.6582

    DIN   : 34CrNiMo6V

    JIS    : SNCM 447

    SIS    : 2541

    BS     : 816 M 40, 817 M 40

    AFNOR   : 35 NCO 6, 34CrNiMo8


    Chemical Analysis

    C : 0.30-0.38

    Cr : 1.30-1.70

    Ni : 1.30-1.70

    Mo : 0.15-0.30

                    

    Mechanical Properties

    Yield strength, Rp 0.2 : min700 N/mm2, 70 kg/mm2

    Tensile strength, Rm : 900 - 1100 N/mm2

    Elongation AS : min.12%

    Reduction of area, Z : min. 55%

    Impact strength, KU : approx. 30 Joules (6 kg/cm2), min. 45 Joules

    Hardness : 270 - 330 Brinell

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    PT. Tira Austenite Tbk

    Special Steel Division Tira Steel is a business unit of PT Tira Austenite Tbk, specializing in the distribution and supply of high-quality imported engineering and special steel products to meet industrial needs with the highest quality standards. We offer a wide range of special steel materials, including stainless steel (martensitic, ferritic, and heat-resistant grades), machinery steel, and wear-resistant steel. Supported by an operational network of 13 branches across major cities in Indonesia, Tira Steel is committed to delivering excellent service, reliable product quality, and the best steel solutions for every customer. Regional Coverage: Regional 1: Medan, Padang, Pekanbaru, and Palembang Regional 2: Cilegon, Jakarta, Bandung, Cilacap, Semarang, and Surabaya Regional 3: Balikpapan, Banjarmasin, and Makassar Head Office Pulogadung Industrial Estate Jl. Pulo Ayang Kav. R1 East Jakarta

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      • Tira Austenite Tbk. PT, Jalan Pulo Ayang, RW.9, Jatinegara, East Jakarta City, Jakarta, Indonesia, Jakarta Timur 13930
        DKI Jakarta , Indonesia
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