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BS1387 Galvanized Steel Tubes

BS1387 Galvanized Steel Tubes

Chemical composition and mechanical properties of BS1387 galvanized steel tubes Heat treatment of BS1387 galvanized steel tubes Tubes shall be supplied in the annealed or normalized condition, the as-welded condition, the as-welded condition with the weld zone heat treated, or after a hot...

Description

Chemical composition and mechanical properties of BS1387 galvanized steel tubes


Chemical   composition (ladle)

Mechanical   properties at room temperature

C

 

 

 

max.

Mn

 

 

 

max.

P

 

 

 

max.

S

 

 

 

max.

Tensile strength, Rm

Yield   strength, Re(min.)

Elongation on gauge length(min)

Lo = 5.65 ÖSo A



%


%

%

%

N/mm2

N/mm2


%                   

0.20


1.20


0.045

0.045

320 to   460

195

       20













 Heat treatment of BS1387 galvanized steel tubes

Tubes shall be supplied in the annealed or normalized condition, the as-welded condition, the as-welded condition with the weld zone heat treated, or after a hot finishing process


Surface treatment of BS1387 galvanized steel tubes

Tubes shall be supplied varnished unless it is specifically requested by the purchaser in his enquiry or order that the tubes shall be supplied self colour or with a hot-dip zinc coating.


Product show of BS1387 galvanized steel tubes

光影魔术手拼图





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