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The production specification limits of copper pipe
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variety
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Shop sign
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state
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specification
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Executive standard
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Externa
ldiameter(mm)
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Wall thickness
(mm)
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length (m)
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extrusion
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T2\T3\
TP1\TP2\
Tu1\Tu2
H85\H70
H68\H65
H62\HPb59-1
Hpb63-3
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Hot
extrude
(R)
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50-60
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3-50
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Less than 10
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Chinese standard
GB/T5231-2001
GB/T1528-2007
GB/T16866-2006
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drawn
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T2\T3\
TP1\TP2\
Tu1\Tu2
H85\H70
H68\H65 \H62
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hard(Y)
semihard(Y2)
soft(M)
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8-125
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0.7-35
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Less than 9
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Chinese standard
GB/T5231-2001
GB/T1527-2007
GB/T16866-2006
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Square tube\
Rectangular tube
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T2\T3\
TP1\TP2\
Tu1\Tu2
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hard(Y)
semihard(Y2)
soft(M)
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15*15-80*80
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2-10
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Less than 9
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Chinese standard
GB/T5231-2001
GB/T1527-2007
GB/T16866-2006
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Cupreous conduit
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T2\TU2\TP2
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hard(Y)
semihard(Y2)
soft(M)
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8-108
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0.8-3.5
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Less than 9
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Chinese standard
GB/T5231-2001
GB/T18033-2007
GB/T5248-2008
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Air conditiong and refrigeration with brass
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T2\TP1\TP2\Tu1\Tu2
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hard(Y)
semihard(Y2)
soft(M)
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8- 60
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0.8-2.0
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Less than 9
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Chinese standard
GB/T5231-2001
GB/T17791-1999
GB/T5248-2008
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