JIS G3455 Seamless tubes

JIS G3455 Seamless tubes

JIS G3455 Carbon steel pipes for high pressure service at an approximate maximum temperature of 350oC.

Standard:

  • JIS G3455
  • JIS, Japanese Industrial Standards specifies the standards used for industrial activities in Japan.

Size range of JIS G3454 (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

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 G3455 STS370
  • JIS G3455 STS410
  • JIS G3455 STS480

Chemical Compositions(%) of JIS G3455

Standard / Grade C Si Mn P S
JIS G3455 STS370 0.25 0.10-0.35 0.30-1.10 0.035 0.035
JIS G3455 STS410 0.30 0.10-0.35 0.30-1.40 0.035 0.035
JIS G3455 STS480 0.33 0.10-0.35 0.30-1.50 0.035 0.035

Mechanical Properties of JIS G3455

Standard / Grade Yield Strength (Mpa) Tensile Strength (Mpa) Elongation (%)
JIS G3455 STS370 216 370 30
JIS G3455 STS410 245 410 25
JIS G3455 STS480 275 480 25

Tolerance on Outside Diameter and Wall Thickness in JIS G3455

APPLICATION TOLERANCE ON OUTSIDE DIAMETER TOLERANCE ON WALL THICKNESS
Hot Rolled
Seamless Pipes
<=50mm 0.5mm <=4mm 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
<=40mm 0.3mm <=2mm 0.2mm
>40mm 0.8% >2mm 10%
More than 350 mm the
Tolerance is 0.5%

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