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Austenitic steel ASME SA213 · TP347H

Short Description:

TP347H(SUS347H) stainless steel seamless pipe is a high temperature stable corrosion resistant stainless steel pipe, with excellent oxidation resistance, wear resistance and chemical corrosion resistance. Below we will introduce this material from the aspects of chemical composition, mechanical properties, heat treatment state, low temperature impact test, main application scenarios.


  • Tube Grade: TP347H, AISI 347H, EN 1.4912, UNS S34709
  • Tube Type: Seamless
  • Tube Form: Straight, U Bend, Cut-to-Length Pieces
  • Surface Finish: Solution Annealed & Pickled (AP), Bright Annealed (BA), Polished
  • Standards (ASME/ASTM): ASME SA213, ASTM A213
  • Standards (EN): EN 10216-5
  • Product Detail

    Product Tags

    TP347H Stainless Steel Tubes, 1.4912 Stainless Steel Tubes

    Item Specification / Details
    Stainless Steel Tube ASME SA213, ASTM A213
    Tube Size 1/8″ OD to 5″ OD (6.35 mm to 127 mm)
    Thickness Range 0.5 mm – 15 mm
    Type Seamless (无缝)
    Form Round, U Bend
    Length Single Random, Double Random & Required Length / U Bend
    End Plain End, Beveled End
    End Protection Plastic Caps
    Outside Finish 2B, BA, AP, Polished
    Delivery Condition Solution Annealed and Pickled, Bright Annealed, Cold Drawn
    Inspection, Test Reports Mill Test Certificates, EN 10204 3.1, Eddy Current Test, Hydrostatic Test
    Packing Packed in Wooden Boxes, or as per Customers Requests
    Specials Sizes and Specifications other than above can be manufactured on request

    TP 347H . UNS S34709 . 1.4912 Chemical Composition

    Chemical Composition (in % by mass)
    Grade C Si (Max.) Mn (Max.) P (Max.) S (Max.) Cr Ni Mo Nb (Cb) N Others
    347H 0.04 – 0.10 0.75 2.00 0.045 0.030 17.0 – 19.0 9.0 – 13.0 8xC – 1.10
    1.4912 0.04 – 0.08 1.00 2.00 0.035 0.015 17.0 – 19.0 9.0 – 12.0 8xC – 1.00

    TP 347H . UNS S34709 . 1.4912 Mechanical Property

    Mechanical Property & Heat Treatment
    Grade Rp 0.2 Mpa (Min.) Rp 1.0 Mpa (Min.) Rm Mpa (Min. – Max.) A (%) (Min.) Hardness (HRB) (Max.) Heat Treatment
    347H 205 515 35 90 Solution Annealed (Min. 1040°C)
    1.4912 190 220 500 – 750 30 Solution Annealed

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