Cold formed welded and seamless carbon hollow section
Cold formed welded and seamless carbon steel structural tubing a500 grade a square pipe,a500 grade b hollow pipe,a500 grade c hollow section stock with 100×100mm;150×150mm;200×200mm;250×250mm;100×150mm;120×80mm;200×150mm.
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Cold formed welded type and seamless type hollow section of a500 grade a square pipe is one kind structural tubing for bolted construction of bridges and buildings,and for general structure purposes.
A500 series contains three grades as
A500 Grade A tubing
A500 Grade B tubing
A500 Grade C tubing
A500 Grade D tubing
A500 Grade D square tube needs heat treatment when supplying.Practics for packing,marking and loading methods for these A500 hollow pipes shall be according to A700 specification.
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