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ASTM A333

ASTM A333 standard covers seamless or welded carbon steel pipe and alloy steel tube intending for application in low temperature services. ASTM A333 alloy steel pipe can be made by the way of seamless or welding processing with the addition of without filler metal in the welding operation. All seamless or welded tubes are controlled their microstructure. The tests for tensile, impact, hydrostatic and nondestructive electric should be in accordance with specified requirements. However, not all grades of ferritic steel may be available under this specification because heavier wall thicknesses have an adverse influence on low temperature impact properties.

ASTM A333 Gr.6 Alloy Steel Tube

ASTM A333 alloy steel tube

Anson steel supplies a wide range of ASTM A333 seamless or welded carbon steel pipes with over ten years’ experiences. It is essential for you to select a reliable partner in China especially about steel products. Anson steel all staff are looking forward to getting contacts by phone or email from you. We are willing to be your supplier or manufacturer for all kinds of ASTM A333.

ASTM A333 Seamless Carbon Steel Pipe at Anson Steel

ASTM A333 seamless steel pipes

Mechanical Properties of ASTM A333

Standard Grade Tensile Strength (MPa) Yield Point (MPa) Elongation (%)
Y X
ASTM A333 Grade1 ≥380 ≥205 ≥35 ≥25
Grade3 ≥450 ≥240 ≥30 ≥20
Grade4 ≥415 ≥240 ≥30 ≥16.5
Grade6 ≥415 ≥240 ≥30 ≥16.5
Grade7 ≥450 ≥240 ≥30 ≥22
Grade8 ≥690 ≥515 ≥22  
Grade9 ≥435 ≥315 ≥28  
Grade10 ≥550 ≥450 ≥22  
Grade11 ≥450 ≥240 ≥18  

Chemical Compositions (%)

Standard Grade Chemical Composition (%)
C Si Mn P S Cr Ni Cu Mo V Al
ASTM A333 Grade1 ≤0.30   0.40-1.06 ≤0.025 ≤0.025            
Grade3 ≤0.19 0.18-0.37 0.31-0.64 ≤0.025 ≤0.025   3.18-3.82        
Grade4 ≤0.12 0.18-0.37 0.50-1.05 ≤0.025 ≤0.025 0.44-1.01 0.47-0.98 0.40-0.75     0.04-0.30
Grade6 ≤0.30 ≥0.10 0.29-1.06 ≤0.025 ≤0.025            
Grade7 ≤0.19 0.13-0.32 ≤0.90 ≤0.025 ≤0.025   2.03-2.57        
Grade8 ≤0.13 0.13-0.32 ≤0.90 ≤0.025 ≤0.025   8.40-9.60        
Grade9 ≤0.20   0.40-1.06 ≤0.025 ≤0.025   1.60-2.24 0.75-1.25      
Grade10 ≤0.20 0.10-0.35 1.15-1.50 ≤0.03 ≤0.015 ≤0.15 ≤0.25 ≤0.015 ≤0.50 ≤0.12 ≤0.06
Grade11 ≤0.10 ≤0.35 ≤0.6 ≤0.025 ≤0.025 ≤0.50 35.0-37.0   ≤0.50    
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