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Alloy Tube Heavy Wallthickness ASTM A333
时间:2015-10-29   点击:(708)

Alloy Tube Heavy Wallthickness ASTM A333

Alloy pipe is one type of seamless steel pipe. Its chemical composition usually contain more element of Cr. Mo V.  Alloy pipe is generally heat treatment. So the performance is better than that of common steel pipes, especially on high temperature resistance, low temperature resistance and corrosion resistance. Alloy pipe is extensively applie to Petroleum, aerospace, chemical industry, power, boiler, military field.

 

 

Steel Grade Chemical Composition %
  C≤ Mn P≤ S≤ Si Ni Cr Cu Al V≤ Nb≤ Mo≤
Gr. 1 0.3 0.40~1.06 0.025 0.025
Gr. 3 0.19 0.31~0.64 0.025 0.025 0.18~0.37 3.18~3.82
Gr. 4 0.12 0.50~1.05 0.025 0.025 0.08~0.37 0.47~0.98 0.44~1.01 0.40~0.75 0.04~0.30
Gr. 6 0.3 0.29~1.06 0.025 0.025 ≥0.10
Gr. 7 0.19 ≤0.90 0.025 0.025 0.13~0.32 2.03~2.57
Gr. 8 0.13 ≤0.90 0.025 0.025 0.13~0.32 8.40~9.60
Gr. 9 0.2 0.40~1.06 0.025 0.025 1.60~2.24 0.75~1.25
Gr. 10 0.2 1.15~1.50 0.035 0.015 0.10~0.35 ≤0.25 ≤0.15 ≤0.15 ≤0.06 0.12 0.05 0.05

Gr. 11

0.1 ≤0.60 0.025 0.025 ≤0.35 35.0~37.0 ≤0.50 0.5

 


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