Hebei Zhongji manufacturer A234WP5 fittings made from high quality alloy steel to ASTM A234 which can beused in various piping systems. The advantages of butt weld include:
• A welded system utilisesminimal space.
Elbows, Long Radius Elbow,Short Radius Elbow, Bend, Long Radius Bends, Piggable Bends, Tee, Equal Tee, ReducingTee, Cross, Reducer, Concentric Reducer, Eccentric Reducer, Pipe End Caps.
ASTM A234 covers wrought carbon steel and alloy steel fittingsof seamless and welded construction covered by the latest revision of ASMEB16.9, B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, and MSS-SP-97. These fittingsare for use in pressure piping and in pressure vessel fabrication for serviceat moderate and elevated temperatures.
Killed steel, with forgings, bars, plates, sheet, and seamless or fusion-welded tubular products with filler metal added. Forging or shaping operations performed by hammering, pressing, piercing, extruding, upsetting,rolling, bending, fusion welding, machining, or by a combination of two or more of these operations.
After forming at an elevated temperature, fittings are cooled toa temperature below the critical range under suitable conditions to prevent injurious defects caused by too rapid cooling, but in no case more rapidly than the cooling rate in still air. Heat treatment temperatures specified are metal(part) temperatures. Heat-treated fittings are to be treated according to paragraph 7 in Specification A960/A960M.
Composition, %
| |
WPB B,C,D,E, | WPC C,D,E, | WP11 CL1 | WP11 CL2, | WP11 CL3 | WP22 CL1, | WP22 CL3 | WP5 CL1, | WP5 CL3 |
|---|---|---|---|---|---|---|---|---|---|
| Carbon | 0.3 | 0.35 | 0.05–0.15 | 0.05–0.20 | 0.05–0.20 | 0.05–0.15 | 0.05–0.15 | 0.15 | 0.15 |
| Manganese | 0.29–1.06 | 0.29–1.06 | 0.30–0.60 | 0.30–0.80 | 0.30–0.80 | 0.30–0.60 | 0.30–0.60 | 0.30–0.60 | 0.30–0.60 |
| Phosporus | 0.05 | 0.05 | 0.03 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 |
| Sulfur | 0.058 | 0.058 | 0.03 | 0.04 | 0.04 | 0.04 | 0.04 | 0.03 | 0.03 |
| Silicon | 0.10 min | 0.10 min | 0.50–1.00 | 0.50–1.00 | 0.50–1.00 | 0.5 | 0.5 | 0.5 | 0.5 |
| Chromium | 0.4 | 0.4 | 1.00–1.50 | 1.00–1.50 | 1.00–1.50 | 1.90–2.60 | 1.90–2.60 | 4.0–6.0 | 4.0–6.0 |
| Molybdenum | 0.15 max | 0.15 max | 0.44–0.65 | 0.44–0.65 | 0.44–0.65 | 0.87–1.13 | 0.87–1.13 | 0.44–0.65 | 0.44–0.65 |
| Nickel | 0.4 | 0.4 | … | … | … | … | … | … | … |
| Copper | 0.4 | 0.4 | … | … | … | … | … | … | … |
| Others | Vanadium 0.08 | Vanadium 0.08 | … | … | … | … | … | … | … |
| |
WP9 CL1, | WP9 CL3 | WP91 |
|---|---|---|---|
| Carbon | 0.15 | 0.15 | 0.08–0.12 |
| Manganese | 0.30–0.60 | 0.30–0.60 | 0.30–0.60 |
| Phosporus | 0.03 | 0.03 | 0.02 |
| Sulfur | 0.03 | 0.03 | 0.01 |
| Silicon | 1 | 1 | 0.20–0.50 |
| Chromium | 8.0–10.0 | 8.0–10.0 | 8.0–9.5 |
| Molybdenum | 0.90–1.10 | 0.90–1.10 | 0.85–1.05 |
| Nickel | … | … | 0.4 |
| Copper | … | … | … |
| Others | … | … | Vanadium 0.18–0.25 Columbium 0.06-0.10 Nitrogen 0.03-0.07 Aluminum 0.02F Titanium 0.01F Zirconium 0.01F |
B Fittings made from bar or plate may have 0.35 max carbon.A When fittings are of welded construction, the grade and marking symbol shown above shall be supplemented by letter “W”.
C Fittings made from forgings may have 0.35 max carbon and 0.35 max silicon with no minimum.
D For each reduction of 0.01 % below the specified carbon maximum, an increase of 0.06 % manganese above the specified maximum will be permitted, up to a maximum of 1.65 %.
E The sum of Copper, Nickel, Chromium, and Molybdenum shall not exceed 1.00 %.
F Applies both to heat and product analyses.
