Astm B552. Standard specifications for seamless and welded copper-nickel alloy tubes for plant water desalination.

Range

The length of off-gauge pipe according to Astm B552 shall be as specified in Table 1. By the request of the customer the tubes with diameter up to 40 mm inclusive are manufactured in measured length from 0,5 to 6 m with the interval of 50 mm. Pipes with wall thickness exceeding 6 mm are manufactured at least 2 meters long. Pipes with wall thickness over 45 mm are allowed in length less than specified in Table 1, but not shorter than 1 meter in amount of up to 10% of batch weight.

Table 1 Parameters of pipes Astm B552

Diameter, mm Wall thickness, mm Length, m
From 6 to 46 0,5 - 6,0 4 - 6
From 46 "145 2,0 - 6,0 3 - 5
" 145 "260 3,0 - 6,0 2 - 3

The limit deviations should be as shown below

Table 2 Astm B552

Outer Diameter, mm Wall thickness, mm Length, m, not less Theoretical weight of 1 m pipes kg
Theoretical weight of 1 sq.m. of pipes kg Nominal deviation, Max. Lim. deviation. Nominal. Marg. devi.

115

130

±1,5

±1,5

25,0

5,0

±2,0

±0,5

1,5

1,5

63

17,5

140 ±1,5

10,0

7,5

±1,0

±0,75

1,5

1,5

36,4

37,27

185 ±1,9

45,0

55,0

±4,5

±5,5

0,8

0,8

176,4

200,2

245

270

270

275

±2,5

±2,8

±2,8

±2,8

12,5

15,0

60,0

60,0

±1,2

±1,5

±6,0

±6,0

1,5

1,5

0,8

0,8

81,37

107,1

352,8

361,2

Supplier

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