Material Grade: | WPB ļ¼ WP11ļ¼ WP22ļ¼ WP5ļ¼ WP9ļ¼ WP91 ļ¼WP6 | Standard: | ASTM A234 |
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Size: | DN8 TO DN 100 | Packing: | Pallet / Ply-Wooden Case |
High Light: | Elbow Tee Cap Rust Proofļ¼ Oil Surface Elbow Tee Capļ¼ WP9 Carbon Steel Pipe Fittings |
ASTM A234 WPB Carbon Steel Seamless Fittings Elbow Rust Proof Black Oil Surface
TONG CHUANG Group supply Boiler tube ļ¼ Heat Exchange Tubeļ¼ Air Cooling Tube ļ¼ Condenser Tube more than 33 years ļ¼ and our material grade contain Stainless Steel ļ¼ Duplex Steel ļ¼ Super Duplex Steel ļ¼ Hastelloy ļ¼ Monel ļ¼ Inconel ļ¼ Incoloy ļ¼ Cr-Mo alloy ļ¼ Copper alloy steel ļ¼ and very year sell more than 80000 tons pipes and tubes to our client projects. And up to now we already export more than 55 countries. The pipe and tube was width used in Miningļ¼ Energyļ¼ Petrochemicalļ¼ Chemical Industryļ¼ Food plantļ¼ Paper plantļ¼ Gas and Fluid Industry etc.
ASTM A234 (ASME SA234) is standard specification of carbon and alloy steel pipe fittings for moderate and high temperature services. Common use material are ASTM A234 Grade WPBļ¼ WPCļ¼ WP5ļ¼ WP9ļ¼ WP11ļ¼ WP22 and WP91. It covers the butt-welded pipe fittings of Elbowļ¼ Teeļ¼ Reducerļ¼ Cap and Crossļ¼ and some socket weldingļ¼ threaded pipe fittings.
Our Supply Range
Grades in Carbon Steel: ASTM A234 Grade WPBļ¼ WPCļ¼
Grades in Alloy Steel: ASTM A234 WP1ļ¼ WP12 CL1/2ļ¼ WP11 CL1/2/3ļ¼ WP12 CL1/3ļ¼ WP5 CL1/3ļ¼ WP9 CL1/3ļ¼ WP91 Type 1/2
Outer Diameters: 1/2'' to 48'' in ASME B16.9
Wall Thickness Schedule: SCH 10ļ¼ SCH 20ļ¼ SCH 30ļ¼ SCH 40ļ¼ SCH STDļ¼ SCH 80ļ¼ SCH XSļ¼ SCH120ļ¼ SCH 160ļ¼ SCH XXS comply with ASME B36.10
Pressure Class: Class 150ļ¼ 300ļ¼ 600ļ¼ 900ļ¼ 1500ļ¼ 2500
Manufacturing Standards: ASME B16.9ļ¼ ASME B16.11ļ¼ MSS-SP-79ļ¼ MSS-SP-83ļ¼ MSS-SP-95ļ¼ MSS-SP-97.
What is the difference of material WP5ļ¼WP9ļ¼WP11ļ¼WP22?
First of allļ¼WP5ļ¼WP9ļ¼WP11ļ¼WP22 are steel grades from standard ASTM A234ļ¼
ASTM A234ļ¼carbon steel material commonly used in WPB and WPCļ¼alloy materials commonly used WP5/WP9/ WP11/WP12/WP22/WP91 etc.ļ¼these materials regardless of the chemical compositionļ¼mechanical properties and tensile properties are different.The specific values are as follows:
Alloy Steel Pipe Bends ASTM A234 Long Radius Chemical Composition | |||||||||
WPB Bļ¼Cļ¼Dļ¼Eļ¼ | WPC Cļ¼Dļ¼Eļ¼ | WP11 CL1 | WP11 CL2ļ¼ | WP11 CL3 | WP22 CL1ļ¼ | WP22 CL3 | WP9 CL1ļ¼ | WP9 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 CL1ļ¼ | 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 |
Alloy Steel Pipe Bends ASTM A234 Long Radius Mechanical Properties | |||||
WPB | WPCļ¼ | WP11-CL1ļ¼ | WP11-CL3ļ¼ | WP91 | |
Tensile strengthļ¼ minimum unless a range is given ksi (MPa) | 60 (415) | 70 (485) | 60 (415) | 75 (520) | 90 (620) |
Yieldļ¼strengthļ¼ min ksi (MPa) (0.2% offset or 0.5% extension under-load) | 35 (240) | 40 (275) | 30 (205) | 45 (310) | 60 (415) |