防蝕継ぎ目が無い鋼鉄管の冷たく、暖かい終了する GOST 9941
製品詳細
シームレス鋼管
,継ぎ目が無い炭素鋼の管
GOST防蝕鋼鉄からなされる9941の継ぎ目が無く冷たく、暖か変形させた管
鋼鉄等級が付いている管材料:
08H17T、08H13、
12H13、15H25T、04H180N10、
08H20N14S2、10H17N13M2T、08H18N12B、
10H23N18,08H18N10T、08H18N12T、08H17N15M3T
12H18N10T、12H18N9,17H18N9,08H22N6T、12H17,06HN28MDT
配達状態:
管は熱-扱われた状態で渡されます
管は切られた正方形刻み目を取り除かれてであり。
テスト:
抗張
平らになること
拡張
粒間の腐食テスト
管は水力でテストされ、非有害検査されます
防蝕鋼鉄等級の管の壁厚さのための表1の限界の許容
壁厚さ（mm） | 最高の許容、正確さの異なったレベルのためのmm、 | ||
正常 | 改良される | 高い | |
0.2 | ±0.05 | ±0.03 | - |
0.3-0.4 | ±0.07 | ±0.05 | - |
0.5-0.6 | ±0.10 | ±0.07 | - |
0.7-1.0 | ±0.15 | ±0.10 | - |
1.0-3.0 | ±15* | ±12.5 | （﹢12.5） - （- 10） |
3.0-7.0 | ±12.5* | （﹢12.5） - （- 10） * | ±10* |
7.0に | （﹢12.5） - （- 10） * | ±10* | - |
* -パーセントで計算される許容 | |||
防蝕鋼鉄等級の管の表2の機械特性
鋼鉄等級 | 引張強さ、MPa、 より低くない | 延長、%、 |
08X17T | 373 | 17 |
08X13 | 373 | 22 |
12X13 | 392 | 22 |
12X17 | 441 | 17 |
15X25T | 461 | 17 |
04X18H10 | 491 | 45 |
08X20H14C2 | 510 | 35 |
10X17H13M2T | 530 | 35 |
08X18H12B | 530 | 37 |
10X23H18 | 530 | 35 |
08X18H10 | 530 | 37 |
08X18H10T | 549 | 37 |
08X18H12T | 549 | 37 |
08X17H15M3T | 549 | 35 |
12X18H10T | 549 | 35 |
12X18H12T | 549 | 35 |
12X18H9 | 549 | 37 |
17X18H9 | 569 | 35 |
08X22H6T | 589 | 20 |
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