A333 Seamless & Welded Steel Pipe DescriptionASTM A333 is the standard specification for seamless and welded carbon and alloy steel pipe for low temperature applications or other applications requiring notch toughness. This standard covers several grades of ferritic steel: Grade 3, Grade 4, Grad
ASTM A333 is the standard specification for seamless and welded carbon and alloy steel pipe for low temperature applications or other applications requiring notch toughness. This standard covers several grades of ferritic steel: Grade 3, Grade 4, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10 and Grade 11.
Product Parameters
Product Name A333 Seamless & Welded Steel Pipe Standard EN/DIN/JIS/ASTM/BS/ASME/AISI etc. Outer Diameter Seamless: 1/4"-36" Welding: 21.3mm-3620mm Round Tube: 1/2"-10" Square Tube/Rectangular Tube: 15x15mm-400x600mm Wall Thickness Seamless: 1.25mm-50mm Welding: 1.65mm-65mm Length 3-12 meters, Support customization Surface Process Bright, Polished, Black Other Services Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.
Chemical Composition
A333 Grade1 Grade3 Grade4 Grade6 Grade7 Grade8 Grade9 Grade10 Grade11 C 0.30 0.19 0.12 0.30 0.19 0.13 0.20 0.20 0.10 Mn 0.40-1.06 0.31-0.64 0.50-1.05 0.29-1.06 0.90 0.90 0.40-1.06 1.15-1.50 0.60 P 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.035 0.025 S 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.015 0.025 Si - 0.18-0.37 0.08-0.37 0.10 min 0.13-0.32 0.13-0.32 - 0.10-0.35 0.35 Ni - 3.18-3.82 0.47-0.98 0.40 2.03-2.57 8.40-9.60 1.60-2.24 0.25 35.0-37.0 Cr - - 0.44-1.01 0.30 - - - 0.15 0.50 Cu - - 0.40-0.75 0.40 - - 0.75-1.25 0.15 - Al - - 0.04-0.30 - - - - 0.06 -
Mechanical Properties
A333 Tensile Strength min. Yield Strength min. Elongation % min. Grade psi MPa psi MPa Vertical Transverse Grade1 55 000 380 30 000 205 35 25 Grade3 65 000 450 35 000 240 30 20 Grade4 60 000 415 35 000 240 30 16.5 Grade6 60 000 415 35 000 240 30 16.5 Grade7 65 000 450 35 000 240 30 22 Grade8 100 000 690 75 000 515 22 - Grade9 63 000 435 46 000 315 28 - Grade10 80 000 550 65 000 450 22 - Grade11 65 000 450 35 000 240 18 -
Scope of Application
Seamless and welded steel pipes for low temperature service and other applications with the required notch toughness.
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