Sell Steel Pipe

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Description:Product Name: Steel PipePlace of Origin: ChinaLine pipe: 1) Tolerance of pipe ends: +2.38mm, +2.38mm, -0.79mm, -0.79mm 2) Tolerance of wall thickness: a) D<508mm, D<508mm: +15.0%t, -12.5%t, +15.0%t, -12.5%t b) D≥508mm D≥508mm: X42-X80 +19.5%t, -8.0%t L175, L210, L245 +17.5%t, -10.0%t, A, B +17.5%t, -12.5%t L290 ~ L555 +19.5%t, -8.0%t 3) Straightness: ≤0.2%L, ≤0.2%L 4) Out-of-roundness: ±1.0%D, ±1.0%D 5) Conditions of pipe ends: a) Bevel angle: 30° ~ 35° 30° ~ 35° b) Root face: 1.59±0.79mm, 1.59±0.79mm c) Square-cut: ≤1.59mm; ≤1.59mm 6) Tolerance of weight: a) Single length: +10.0%, -3.5% +10.0%, -3.5% b) Carload lots: -1.75%, -1.75% 7) Non-destructive inspection: 100% X-Ray or 100% UT plus 100% X-Ray or 100% UT plus X-ray or both ends X-ray or both ends 8) Hydrostatic test: P=2St/D, P=2St/D, A25, A, B S=60% L175, L210, L245 S=60%, X42~X80 <508mm S='85%,' L290 ~ L555 <508mm S='85%,' ≥508mm S='90%' ≥508mm S='90%' Transmission pipe of common fluid: 1) Tolerance of pipe ends: D<508mm, ±0.75%D and ≤±2.5, D≥508mm, ±0.5%D and ≤±4.5 2) Tolerance of wall thickness: D<508mm, ±12.5%t, D≥508mm, ±10.0%t 3) Straightness: ≤0.2%L 4) Out-of-roundness: ±1.0%D 5) Conditions of pipe ends: a) Bevel angle: 30° ~ 35° b) Root face: 1.6±0.8mm c) Square-cut: D<813mm, ≤1.5mm, D≥813mm, ≤3.0mm 6) Non-destructive inspection: according to an agreement between buyer and seller 7) Hydrostatic test: P=2St/D, S=60% Pipe pile: 1) tolerance of pipe ends: D≤800mm, ±0.5%D, D> 800mm, ±0.4%D 2) Tolerance of wall thickness: t=6-7mm, + optional, -0.6mm t=8-18mm, +optional - 0.8mm 3) Straightness: ≤0.1%L 4) Conditions of pipe ends: a) Bevel angle: 45° ~ 50° b) Root face: 0 ~ 2.4mm c) Square-cut: <0.5%D and ≤4mm 5) Non-destructive inspection: according to an agreement between buyer and seller Remarks: D: Nominal outside diameter (mm) T: Nominal wall thickness (mm) P: Hydrostatic test pressure (MPa) S: Fiber stress (MPa) L: Length of single pipe (mm)