Home > About Us> Tech & Service

ASTM A333, Seamless and Welded Steel Pipe for Low-Temperature Service

ASTM A333 Grade 6
ASTM A333 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.

ASTM A333 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure.

Download Abrasion resistant The ceramic-lined steel composite pipes, Bends and elobws specifications & size range
Recommended ASTM A333 alloy pipes/tubes as below:
ASTM A335 P11 alloy pipe
ASTM A333 Gr.1 pipe
ASTM A333 Grade 1 alloy pipe shall be made by the seamless or welding process...
ASTM A333 Grade 6 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.
A333 Gr.6 seamless pipe
ASTM A333 Grade 6 covers seamless and welded steel pipe for low temperature service.
ASTM A213 T91 Seamless alloy pipes
ASTM A333 Grade 3 Pipe
ASMT A333 Grade 3 seamless and welded pipes shall be treated to control their microstructure.
 
ASTM A333 Grade 9 Seamless Pipe
ASTM A333 Grade 9
ASMT A333 Grade 9 seamless and welded pipes shall be treated to control their microstructure.
ASTM A333 Grade 10 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.
ASTM A333 Gr.10 pipe
ASTM A333 Grade 10 covers seamless and welded steel pipe for low temperature service.
ASTM A213 T91 Seamless alloy pipes
ASTM A333 Grade 7 Pipe
ASMT A333 Grade 7 seamless and welded pipes shall be treated to control their microstructure.

Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service

ASTM A333 standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. ASTM A333 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to specified requirements.

Scope of ASTM A333
Mainly Grade of ASTM A333:
Strike temperature condition:
Crade The lowest temperature for strike test
ASTM A333 Grade 1 -50 -45
ASTM A333 Grade 3 -150 -100
ASTM A333 Grade 4 -150 -100
ASTM A333 Grade 6 -50 -45
ASTM A333 Grade 7 -100 -75
ASTM A333 Grade 8 -320 -195
ASTM A333 Grade 9 -100 -75
ASTM A333 Grade 10 -75 -60
 Mechanical requiremnts of ASTM A333 alloy pipe
Standard Grade Tensile Strength (MPa) Yield Point (MPa) Elongation (%)
Y X
ASTM A333 Grade 1 ≥380 ≥205 ≥35 ≥25
Grade 3 ≥450 ≥240 ≥30 ≥20
Grade 4 ≥415 ≥240 ≥30 ≥16.5
Grade 6 ≥415 ≥240 ≥30 ≥16.5
Grade 7 ≥450 ≥240 ≥30 ≥22
Grade 8 ≥690 ≥515 ≥22
Grade 9 ≥435 ≥315 ≥28
Grade 10 ≥550 ≥450 ≥22
Grade 11 ≥450 ≥240 ≥18
 Chemical Composition (%) of ASTM A333 steel pipe
Standard Grade Chemical Composition (%)
C Si Mn P S Cr Ni Cu Mo V Al
ASTM A333 Grade 1 ≤0.30 0.40-1.06 ≤0.025 ≤0.025
Grade 3 ≤0.19 0.18-0.37 0.31-0.64 ≤0.025 ≤0.025 3.18-3.82
Grade 4 ≤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
Grade 6 ≤0.30 ≥0.10 0.29-1.06 ≤0.025 ≤0.025
Grade 7 ≤0.19 0.13-0.32 ≤0.90 ≤0.025 ≤0.025 2.03-2.57
Grade 8 ≤0.13 0.13-0.32 ≤0.90 ≤0.025 ≤0.025 8.40-9.60
Grade 9 ≤0.20 0.40-1.06 ≤0.025 ≤0.025 1.60-2.24 0.75-1.25
Grade 10 ≤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
Grade 11 ≤0.10 ≤0.35 ≤0.6 ≤0.025 ≤0.025 ≤0.50 35.0-37.0 ≤0.50
Referenced Documents

Copyright © 2011 Sunny Steel Enterprise Ltd.  All Rights Reserved ICP No.:08010763
Sum Xu