JIS G3456 Seamless tubes for high pressure service

JIS G3456 Carbon steel pipes, Seamless pipes for high temperature service at a temperature over 350 Degrees celsius.

Standard:

JIS G 3456:2010
JIS, Japanese Industrial Standards specifies the standards used for industrial activities in Japan.

Size range of JIS G3456(mm):

  • Outer Dimensions: 19.05mm- 114.3mm
  • Wall Thickness:2.0mm -14 mm
  • Length: max 16000mm

Application:

  • Carbon steel pipes for pressure service
  • High pressure service and high temperature service at  a temperature over 350 Degrees celsius

Packing:

  • Be packed in Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements .
  • Surface: Varnish coating
  • Ends: Beveled or Plain ends with Plastic caps
  • Painting: as requested.

Inspection & Certification:

1) Certification: ISO, API, ASTM, DIN etc.
2) Mill Test Certificate: EN10204/3.1B
3) Third party inspection: SGS, BV, Lloyds etc.

The main products of steel / steel grade:

  • JIS G3456 STPT370
  • JIS G3456 STPT410
  • JIS G3456 STPT480

Chemical Compositions(%) of JIS G3456

Standard/ GradeCSiMnPS
JIS G3456 STPT370≤0.250.10-0.350.30-0.90≤0.035≤0.035
JIS G3456 STPT410≤0.300.10-0.350.30-1.00≤0.035≤0.035
JIS G3456 STPT480≤0.330.10-0.350.30-1.00≤0.035≤0.035

Mechanical Properties of JIS G3456

Standard/ GradeYield Strength (Mpa)Tensile Strength (Mpa)Elongation (%)
JIS G3456 STPT370≥216≥370≥30
JIS G3456 STPT410≥245≥410≥25
JIS G3456 STPT480≥275≥480≥25

Tolerance on Outside Diameter and Wall Thickness in JIS G3456



    APPLICATIONTOLERANCE ON OUTSIDE DIAMETERTOLERANCE ON WALL THICKNESS
    Hot Rolled
    Seamless Pipes
    < mmspan>±0.5mm< mmspan>±0.5mm
    <50-160mm±1%
    <160-200mm±1.6mm<4mm±12.5%
    <200mm±0.8%
    More that 350mm, the
    Tolerance is ±0.5%
    Cold Drawn
    Seamless Pipes
    and Electric Resistant
    Welded Pipes
    < mmspan>±0.3mm< mmspan>±0.2mm
    <40mm±0.8%<2mm±10%
    More than 350 mm the
    Tolerance is ±0.5%

    Get in Touch

    Welcome to Sunny Steel Enterprise Ltd.

    Sunny Steel provide a wide range of steel products as Steel pipes, Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the industry, construction etc.
    You can get in touch by telephone, post, online or E-mail.
    Please check the help section first to see if your question may be answered there.

    Pipe fitting

    Pipe fitting
    Pipe fitting is work that involves the installation or repair of pipes or tubes. Pipes and tubes are necessary for a wide range of reasons.

    Flanges General

    Flanges General
    A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system.

    Seamless steel pipe >>

    Seamless steel pipe >>
    Seamless steel pipe is alos called CDS pipes (Cold drawn seamless pipe).