GB/T 9948 – Petrochemical Tube Technical Data
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GB/T 9948 – Petrochemical Tube Technical Data
20#: 410-550 MPa tensile | ≥245 MPa yield | ≥21% elong | ≥39J impact [citation:2]
15CrMo: 440-640 MPa tensile | ≥235 MPa yield | ≥21% elong | ≥47J impact [citation:2]
1Cr5Mo: ≥390 MPa tensile | ≥195 MPa yield | ≥22% elong | ≥92J impact [citation:2]
OD: 6-530mm | WT: 1.5-40mm
100% hydrostatic test (45 MPa) [citation:10]
Heat treated: normalized or normalized + tempered [citation:8]
EN 10204 3.1 MTC with heat number
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