Active Member
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[China]
Address: Room 1703, 17th Floor, Building 5, Jinyin Modern City, Guangdian South Road, Jinshui District, Zhengzhou City, Henan Province, China.
Contact name:Vicky
Zhengzhou Huitong Pipeline Equipment Co.,Ltd. |
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As well as ASTM A182 and A351 other standards such as ASTM A240, A789 and A790 also cover Duplex grades of valve bodies and trim materials.
| Trade Name | UNS | Industry Specifications |
|---|---|---|
| SAF 2205 | UNS S31803* | ASME SA-182 (F51), SA-240, SA-798, SA-790, SA-815 |
| ASTM A240, A276, A479, A789, A790, A815, A923, A928, A988 | ||
| SAE J405 | ||
| SAF 2205 | UNS S32205 | ASTM A240, A240M, A276, A479, A480, A480M, A798, A7901, A815, A923, A928, A988 |
| SAE J40 |
* UNS31803 has been supplemented by S32205 (F60)
| Grade Specification | ASTM A815 / ASME SA815 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Duplex Pipe Fittings Grades | Duplex S31803, S32205 |
| Type | Seamless / Welded / Fabricated / Forged |
| Thickness | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
| Range | ½” NB to 48″ NB in Sch 10s, 40s, 80s, 160s, XXS. |
| Applicable Standards | 1-ASME B 16.9 for large Bore 2-ASME B 16.11 for small Bore (socket welded) 3-ASME B 16.25 for butt weld ends 4-ASME B 16.28 for small radius elbow |
| End Prep: |
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3. ASTM A815 DUPLEX STEEL FITTINGS CHEMICAL COMPOSITION
ASTM A815 DUPLEX STEEL UNS S31803 BUTTWELD PIPE FITTINGS
| Grade | C | Mn | Si | P | S | Cr | Ni | MO | N | FE |
|---|---|---|---|---|---|---|---|---|---|---|
| Duplex Steel UNS S31803 | 0.030 max. | 2.00 max. | 1.00 max. | 0.030 max. | 0.020 max. | 22.0 – 23.0 | 4.50 – 6.50 | 3.0 – 3.5 | 0.14 – 0.20 | 63.72 min. |
4. Duplex Steel Pipe Fittings Manufacturing Standards
| ASME B16.9 | Factory-Made Wrought Buttwelding Fittings | Long Radius Elbows, Long Radius Reducing Elbows, Long Radius Returns, Short Radius Elbows, Short Radius 180-deg Rerurns, 3D elbows, Straight Tees, Straight Crosses, Reducing Outlet Tees, Reducing Outlet Crosses, Lap Joint Stub Ends, Caps, Reducers |
| ASME B16.28 | Short Radius Elbows, Short Radius 180-deg Returns | |
| MSS SP43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications | Long Radius Elbows, Straight and Reducing-on-the-Outlet Tees, Lap Joint Stub ends, caps, long radius 180 Degree returns, concentric reducers, eccentric reducers |
| Mss SP75 | Long Radius Elbows, 3R elbows, straight tees, reducing outlet tees, caps, reducers | |
| MSS SP95 | Swage(d) Nipples and Bull Plugs |
