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Our Location Mumbai, 400004
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Send Us Mail sales@torrentalloys.com
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Call Us +91 9920 663 346
Our Location Mumbai, 400004
Send Us Mail sales@torrentalloys.com
Call Us +91 9920 663 346
ASME/ ANSI B16.9 | ASME B16.28 | MSS-SP-43 | BS1560 | BS4504 | BS10.
1/2"NB TO 48"NB IN.
Seamless and Welded.
Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS.
Elbow, Equal Tee, U Pipe Bend, Long & Short Stub End, Caps, Lap Joint Stub End
ASTM A234 / ASME SA234 WP1 , WP11 , WP12 , WP22 , WP5 , WP9 , WP91
ASTM A234 WP22 is a standard specification for wrought carbon steel and alloy steel pipe fittings of seamless and welded construction. These fittings are primarily intended for moderate and high-temperature service in pressure systems. ASTM A234 WP22 fittings are made from a chromium-molybdenum alloy steel known as Grade 22, which provides excellent corrosion resistance and high-temperature strength.
The Manufacturing process of ASTM A234 WP22 fittings involves several steps to ensure they meet the required standards for strength, durability, and dimensional accuracy. The primary material used for A234 WP22 fittings is a chromium-molybdenum alloy steel (Grade 22), which is selected for its high-temperature strength and corrosion resistance properties. WP22 Fittings can be manufactured by several methods including forging, extrusion, or seamless and welded pipes. Forged fittings are shaped by applying pressure to heated steel billets or ingots to achieve the desired shape. Seamless fittings are made directly from seamless pipes, while welded fittings are fabricated from welded pipes. Various tests are conducted to verify the quality and performance of the fittings. These tests may include dimensional inspection, chemical analysis, mechanical testing (such as tensile strength and hardness), non-destructive testing (e.g., ultrasonic testing, radiographic testing), and pressure testing to ensure they meet ASTM A234 WP22 specifications.
Quality assurance for ASTM A234 WP22 alloy steel buttweld fittings involves rigorous processes to uphold their integrity and performance standards. From initial material sourcing through to final inspection, stringent checks ensure compliance with ASTM specifications. This includes precise dimensional measurements, thorough chemical analysis, mechanical testing for strength and durability, and non-destructive examinations to detect any imperfections. By maintaining these high standards, manufacturers guarantee that WP22 fittings meet the demands of industries requiring reliable solutions for high-pressure and high-temperature applications, such as oil refining, chemical processing, and power generation.
| ASTM Grade | DIN | EN | JIS | BS |
|---|---|---|---|---|
| WP22 / P22 | 1.7380 | 10CrMo9-10 | STPA 24 | 6208 |
| Grade | C (max) | Mn | P (max) | S (max) | Si | Cr | Mo | Ni (max) | V (max) | Other Elements |
|---|---|---|---|---|---|---|---|---|---|---|
| WP22 / P22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 | 2.00-2.50 | 0.87-1.13 | 0.40 | - | - |
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| WP22 / P22 | ≥ 415 | ≥ 205 | ≥ 30 | ≤ 163 |
ASTM A234 WP22 fittings are available in a range of sizes and types, including elbows, tees, reducers, caps, crosses, and stub ends. These fittings adhere to specific dimensional standards outlined in ASTM A234/A234M-18a, ensuring precise measurements and compatibility with various piping systems.
