1
Overview
JIS G3459 specifies stainless steel pipes, known as SUS-TP, used for corrosion resistance, low temperature, and high-temperature service. It is the Japanese counterpart to ASTM A312.
2
Scope & Applicability
Applies To Industries
Chemical PlantPetrochemicalPharmaceutical
Covers — austenitic stainless steel pipe:
- Common grades: SUS304TP, SUS316TP, SUS304LTP, SUS316LTP.
- Both seamless and welded manufacturing.
Does NOT cover (exclusions) — the following are governed elsewhere:
- Large diameter welded stainless pipe → JIS G3468.
3
Key Requirements
SUS-TP relies on strict chemical control and heat treatment:
- Solution annealing is required to dissolve carbides and maximize corrosion resistance.
- Welded pipes must not use filler metal.
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Technical Details
JIS G3459 utilizes the "S" schedule system (e.g., Sch 10S, 40S) identical to ASME B36.19M, allowing lighter, cost-effective walls for expensive stainless alloys.
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Engineering Notes
The "L" appended to the grade (e.g., SUS316LTP) denotes low carbon content, which is essential to prevent intergranular corrosion when the pipe is welded.
7
Source, Edition & Status
- Publisher
- JIS
- Industries
- Chemical Plant, Petrochemical, Pharmaceutical
- Last Reviewed
- 2026-07-01
- Last Updated
- 2026-07-01
- Verified By
- Engineering content reviewer
- Content Status
- reviewed