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square galvanized seamless steel pipe
square galvanized seamless steel pipe
The steel gets tested in two ways.
In hydrostatic testing, conducted on all sizes of seamless and electric-resistance-weld pipe, the tester maintains pressure ...
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square galvanized seamless steel pipe
The steel gets tested in two ways.
In hydrostatic testing, conducted on all sizes of seamless and electric-resistance-weld pipe, the tester maintains pressure for at least five seconds to ascertain the metal’s strength. Mechanical tests must show a 90 degree bend for normal A53 uses and a 180 degree bend for close coiling.
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Specification
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Thickness
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Specification
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Thickness
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30*30
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2.5
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20*40
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2.5
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3
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3
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40*40
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2.5
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30*50
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2.5
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3
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3
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50*50
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2.5
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40*60
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2.5
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3
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3
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60*60
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2.5
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40*80
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2.5
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3
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3
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80*80
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2.5
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50*70
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2.5
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3
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3
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100*100
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2.5
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50*100
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2.5
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3
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3
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120*120
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3.5
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60*100
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2.5
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4
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3
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150*150
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3.5
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60*120
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2.5
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4
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3
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160*160
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3.5
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80*120
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2.5
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4
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3
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180*180
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3.5
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80*160
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3
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4
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3.5
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200*200
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3.5
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100*200
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3
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4
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3.5
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