Hot-dip galvanized pipe is to make the molten metal react with the iron matrix to produce
an alloy layer, so that the matrix and the coating are combined.
1. The chemical combination varies as per the grade.
for example, (Gr. 33, 37, 40, 50, 80 type as per ASTM A 653) has
Carbon (C) 0.20 to 0.25 (max)
Manganese (Mn) 1.35 (max)
Sulphur (S) 0.04 (max)
Phosphorous (P) 0.04 (max)
UTS 45 to 82 Ksi. (min. as per the grades)
Yield 33 to 80 Ksi. (min. ......... )
% of El. 12 to 20 (min, ......... )
2. Grade CSA has Mn 0.60 max. other elements more or less the same.
Sridhar.
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On Thursday, 6 October, 2022 at 08:47:49 am IST, Ezenwa Victor <victorvery@gmail.com> wrote:
Dear Team
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What's the Chemical composition of a Galvanized Steel pipe 1" and 1 1/2".
Thanks
Engr Ezenwa Victor
SON Nigeria
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