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U-pipe
Coil pipe
Welded steel pipe
Three-head spiral pipe
currugated heat pipe
Products
Welded steel pipe
 
 
 
Welded stainless steel pipe
　　
Specification of welded stainless steel pipe (mm)

 
0.5/0.6
0.8
1.0/0.9
1.2
1.5
1.8/1.65
2
2.5
3
4
8/9.5/10/12/12.7/14
15/16/18/19/20
21.3/22/25/25.4/28
32/33.4/33.7/35/38/42/48.3
50/50.8/54/56/57/60.3/63
76.1/88.9/101.6/108
127/133/139.7/140/159
·Special products can also be produced upon agreement.
·As widly used of 4 series products,we can produce 439 and 444 series already.
執(zhí)行標(biāo)準(zhǔn)
執(zhí)行國外標(biāo)準(zhǔn)（部分）
理論重量

GB/T 12770-2002

GB/T 12771-2000

GB-151-99

HG 20537.2-1992

HG 20537.3-1992

HG 20537.4-1992

ASTM A312/A312M

ASTM SA249/SA269M

ASTM A269/A269M

ASTM A688/A688M

JIS G 3463 JIS G 3468

DIN 17455 DIN 17457

Cr-Ni奧氏體不銹鋼管 W=0.02491 s(D-s)
Cr-Ni-Mo 奧氏體不銹鋼管 W=0.02507 s(D-s)
式中：W=每米理論重量(kg/m)
s=壁厚(mm)　D=外徑(mm)

Heat exchange area and weight at unit of corrugated pipi
      outside diameter(mm)
thickness(mm)
 19 25 32
kg/m2 kg/m kg/m2 kg/m kg/m2 kg/m
0.6
4.41
0.30
4.07
0.40
3.89
0.51
0.7
5.13
0.35
4.73
0.46
4.49
0.60
0.8
5.89
0.40
5.42
0.53
5.25
0.68
0.9
6.58
0.45
6.03
0.59
5.86
0.77
1.0
6.09
0.66
6.51
0.85
m2/m
0.07~0.08
0.10~0.11
0.13~0.14

  
 

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