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(咨詢熱線:銷售總監 王雙18032713562 QQ3523962903)河北新聞咨詢,記者(劉編輯)今日獲悉河北鑫飛管道制造有限公司是防腐保溫、鋼管制造行業的開拓者之一,我們一直秉承著顧客至上、優質高效的服務宗旨。
X52管線管連接方式為焊接,接箍連接,承插連接等,國內鋼廠生產的X52管線管是把抽出地面的油,汽,水,通過管線管輸送到石油和天然氣工業企業。X52管線管包括無縫管和焊接鋼管,其管端有平端,帶螺紋端和承口端;API 5L管線鋼無縫鋼管,無縫鋼管管線鋼材質:GR.B,X42,X46,52,X56,X60,X65,X70。其連接方式為焊接,接箍連接,承插連接等。
尺寸公差
鋼管種類
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鋼管外徑(D)
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鋼管壁厚(S)
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管體
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鋼管外徑 (mm)
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允許偏差(mm)
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鋼管外徑(mm)
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允許偏差(mm)
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≥60.3且S<20
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±0.75%
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≤73.0
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+15%,-12.5%
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≥60.3且S≥20
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±1.00%
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>73.0且S<20
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+15%,-12.5%
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>73.0且S≥20
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+17.5%,-10
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力學性能
標準
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牌號
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抗拉強度(MPa)
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屈服強度(MPa)
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屈強比
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伸長率(%)
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0℃沖擊功
Akv(J)
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熱處理狀態
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API SPEC 5L
GB/T9711
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L245/B
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≥415
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245~440
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≤0.80
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22
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≥40
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正火
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API SPEC 5L
GB/T9711
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L290/X42
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≥415
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290~440
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≤0.80
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21 |
≥40
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正火 |
API SPEC 5L
GB/T9711
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L360/X52
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≥460
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360~510
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≤0.85
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20 |
≥40
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正火
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API SPEC 5L
GB/T9711
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L415/X60
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≥520
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415~565
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≤0.85
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18 |
≥40
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正火
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API SPEC 5L
GB/T9711
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L450/X65
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≥535
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450~570
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≤0.90
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18 |
≥40
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淬火+回火
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API SPEC 5L
GB/T9711
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L485/X70
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≥570
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485~605
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≤0.90
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18 |
≥40
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淬火+回火
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化學成分
標準
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牌號
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化學成分(%)
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CEV(%)
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C
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Si
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Mn
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P
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S
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V
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Nb
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Ti
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API SPEC 5L
GB/T9711.2
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B
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≤0.16
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≤0.40
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≤1.10
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≤0.020
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≤0.010
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-
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-
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-
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≤0.42
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X42
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≤0.17
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≤0.40
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≤1.20
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≤0.020
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≤0.010
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≤0.05
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≤0.05
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≤0.04
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≤0.42
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X52
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≤0.20
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≤0.45
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≤1.60
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≤0.020
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≤0.010
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≤0.10
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≤0.05
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≤0.04
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≤0.45
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X60
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≤0.21
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≤0.45
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≤1.60
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≤0.020
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≤0.010
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≤0.15
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≤0.05
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≤0.04
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協議
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X65
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≤0.16
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≤0.45
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≤1.60
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≤0.020
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≤0.010
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≤0.06
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≤0.05
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≤0.06
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≤0.45
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X70
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≤0.16
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≤0.45
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≤1.70
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≤0.020
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≤0.010
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≤0.06
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≤0.05
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≤0.06
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≤0.45
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3.X60、X65、X70經協商Mo≤0.35%