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īTF܃r dn150op 80Փ
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@̽ßop䓹ܣYB/T50521993
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ߴ磯mm Sƫ ߴ磯mm Sƫ
>30 0.30mm <3 +1
-10
3050 0.40mm  
  3 +12
-10
>50 l  
ע1.䓹ܵďÿײô1mm.
      2.䓹ܵĈAȺͱں񲻾քe^䓹⏽ͱںSƫ
Kȡо@U䓹܃ȏͱںSƫ
ȏd ںS
ߴ磯mm Sƫ ߴ磯mm Sƫ
>40 0.30mm гߴ 10
4050 0.40mm  
>50 0.8  

dn150op dn125Ƕٴ @̽ßop䓹

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īTFܵҪɷ̼i׺V
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FwwwϷֲһʯīQڏʵҪͬwMеFwwıͬСڏwһ㲻20%ڏһ25%
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Сȣ420/MpaС300/MpaС7%
И˜GB/T13295-2003 ISO2531/2003
ڏDN80-DN2600
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1.aƷ˜
GB/T 13295-2003 ˮȼܵīTFܼ͸ GB/T 17457-1998 īTFˮɰ{xķrһҪ GB/T 17458-1998 īTFˮɰ{xķr°ɰ{ijɷ֙z GB/T 17459-1998 īTFܞrͿ GB/T 17456 īTF퇊\ GB/T 17219-1998 ˮݔˮO估oϵİȫur˜

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20̖108*20̼ͺiǶ
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   C Si Mn Cr M Cu
      
7 U20202 20 O170.23 0.170.37 0.350.65 O25 O30 O25

īTFՓ
Qֱmm ֱܲ⏽(mm) ں(mm) ÿ(Kg/m) п(ֵKg) (ֵKg) ÿ׾C
100 118 6.1 15.1 4.3 95 15.8
150 170 6.3 22.8 7.1 144 24
200 222 6.4 30.6 10.3 194 32.3
250 274 6.8 40.2 14.2 255 42.5
300 326 7.2 50.8 18.9 323 53.8
350 378 7.7 63.2 23.7 403 67.2
400 429 8.1 75.5 29.5 482 80.3
450 480 8.6 89.3 38.3 575 95.8
500 532 9 104.3 42.8 669 111.5
600 635 9.9 137.3 59.3 882 147
700 738 10.8 173.9 79.1 1123 187.2

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