Elbows, tees, reducers, caps for moderate-to-high-temperature service.
Cr-Mo creep-resistant alloys for high-temperature steam, refinery, power plant.
| ASTM / ASME | EN / DIN | JIS | GB | 使用条件 | |
|---|---|---|---|---|---|
| WP1 | 16Mo3 (1.5415) | STPA12 | 15Mo3 | ≤ 530°C | 見積 |
| WP11 | 13CrMo4-5 (1.7335) | STPA22 | 12CrMo / 15CrMo | ≤ 580°C | 見積 |
| WP12 | 11CrMo9-10 (1.7383) | STPA23 | 12Cr2Mo | ≤ 580°C | 見積 |
| WP22 | 10CrMo9-10 (1.7380) | STPA24 | 12Cr2Mo / 12Cr2Mo1 | ≤ 600°C | 見積 |
| WP5 | X11CrMo5 (1.7362) | STPA25 | 1Cr5Mo | ≤ 650°C, sulfide | 見積 |
| WP9 | X11CrMo9-1 (1.7386) | STPA26 | 1Cr9Mo | ≤ 650°C | 見積 |
| WP91 | X10CrMoVNb9-1 (1.4903) | STPA28 / SUS410J3 | 10Cr9Mo1VNbN | ≤ 625°C, supercritical | 見積 |
Austenitic 304/316/321/347 corrosion-resistant fittings.
| ASTM / ASME | EN / DIN | JIS | GB | 使用条件 | |
|---|---|---|---|---|---|
| WP304 / 304L | X5CrNi18-10 (1.4301) / X2CrNi19-11 (1.4306) | SUS304 / SUS304L | 0Cr18Ni9 / 022Cr19Ni10 | General corrosion | 見積 |
| WP316 / 316L | X5CrNiMo17-12-2 (1.4401) / X2CrNiMo17-12-2 (1.4404) | SUS316 / SUS316L | 0Cr17Ni12Mo2 / 022Cr17Ni12Mo2 | Chloride / acid service | 見積 |
| WP321 | X6CrNiTi18-10 (1.4541) | SUS321 | 0Cr18Ni10Ti | ≤ 800°C, Ti-stabilized | 見積 |
| WP347 | X6CrNiNb18-10 (1.4550) | SUS347 | 0Cr18Ni11Nb | ≤ 850°C, Nb-stabilized | 見積 |
| WP310 | X8CrNi25-21 (1.4845) | SUS310S | 0Cr25Ni20 | High-temp, scaling resistance | 見積 |
| WP-DS (Duplex 2205) | X2CrNiMoN22-5-3 (1.4462) | SUS329J3L | 022Cr22Ni5Mo3N | Pitting / chloride | 見積 |
LNG, cryogenic and arctic pipelines.
Forged carbon flanges per ASME B16.5 / B16.47.
Cr-Mo forged flanges for high-temperature/high-pressure piping.
Austenitic forged flanges per ASME B16.5.
Seamless steel pipes for pressure and structural service.
Seamless / welded austenitic stainless pipes.
| ASTM / ASME | EN / DIN | JIS | GB | 使用条件 | |
|---|---|---|---|---|---|
| TP304 / TP304L | 1.4301 / 1.4306 | SUS304TP / SUS304LTP | 0Cr18Ni9 / 022Cr19Ni10 | General corrosion | 見積 |
| TP316 / TP316L | 1.4401 / 1.4404 | SUS316TP / SUS316LTP | 0Cr17Ni12Mo2 / 022Cr17Ni12Mo2 | Chloride service | 見積 |
| TP321 | 1.4541 | SUS321TP | 0Cr18Ni10Ti | Stabilized, ≤ 800°C | 見積 |
| TP347H | 1.4912 | SUS347HTP | 0Cr19Ni10NbN | ≤ 850°C, creep | 見積 |
Search-ready answers
These short answers help engineers confirm whether a fitting, flange or certificate requirement belongs in the RFQ before sending drawings.
MSS SP-25 is the marking standard for valves, fittings, flanges and unions. For pipe fittings and flanges it is normally checked together with the product standard, material grade, heat number, manufacturer mark and MTC traceability.
JIS B2220 covers steel pipe flanges used in Japanese projects. When replacing or quoting JIS flanges, confirm pressure rating, facing, bolt pattern, material grade and whether the project needs EN 10204-style material certification.
ASME B31.1 is commonly used for power piping such as boiler external piping and power-plant systems. ASME B31.3 is commonly used for process piping in refinery, chemical and industrial plants. Final selection follows the project design code.
ASTM A234 WPB is a wrought carbon-steel fitting grade for moderate and high-temperature pressure piping. It is commonly used for elbows, tees, reducers and caps matched with A106 Gr.B pipe and A105 forged flanges.
EN 10204 3.1 MTC is issued by the manufacturer with test results traceable to the batch. EN 10204 3.2 adds independent buyer or third-party inspection witness, which is often required for critical EPC, pressure-equipment and offshore projects.
RT is radiographic testing, UT is ultrasonic testing, MT is magnetic particle testing and PT is liquid penetrant testing. The exact percentage and acceptance criteria must follow the drawing, ITP and applicable code.
製造範囲
上記は当社が準拠する規格です。以下は当社工場で対応可能な寸法・能力範囲です。
突合せ溶接継手 DN 範囲
DN 15 — DN 1500
ASME B16.9 / EN 10253 / MSS SP-75
最大フランジ外径
5 m
鍛造+機械加工；ASME B16.47 Series A/B + EN 1092-1
最大鍛造トン数
50 t
特殊鍛造品、ブロック、大径素材
圧力クラス対応
PN 6 — PN 400 / Class 150 — 2500
Class 150 / 300 / 600 / 900 / 1500 / 2500 (ASME B16.5 / B16.47); PN 6 - PN 400 (EN 1092-1)
免責事項
本対照表は公開規格を基に作成しており、技術参考用としてご活用ください。最終的な材質指定は、契約技術書、適用される強制規格（PED、ASME、CE等）、および有資格材料エンジニアによるレビューに従ってください。
