NORSOK挪威石油标准化组织Y56r4Date shett

1、NORSOK挪威石油标准化组织Y56r4Date shett NORSOK StandardMATERIAL DATA SHEETMDS - Y56 Rev. 42TYPE OF MATERIAL: Structural SteelPRODUCTSTANDARDGRADERolled SectionsEN 10225S500M3S500G3+M1)SCOPEThis MDS specifies the selected options in the referred standard and modified requirements which shall supersede the cor

2、responding requirements in the referred standard.STEEL GRADEGrade S460M3 S460G3+M shall be modified to Grade S500M3 S500G3+M as specified by this MDS.QUALIFICATIONSBase material information, shall be submitted with the bid/ be established prior to delivery.The documentation of base material shall in

3、clude strain ageing tests (ref. option 12), typical tensile test results and weldability tests according to Annex E (option 18) for sections with thickness approximately 20 mm or the greatest thickness required in the purchase order. CTOD testing shall be included for weldability testing for thickne

4、ss above 40 mm and shall meet a requirement of min. 0,25 mm in as welded condition unless lower values have been accepted by the purchaser. Weldability tests in accordance with Annex F shall be carried out for the largest thickness of the delivery, within ?5 mm (ref. option 18).HEAT TREATMENT/DELIVE

5、RY CONDITIONQuenched and Tempered may also be acceptedCHEMICAL COMPOSITIONOption 6 and 9Other limits may be accepted after special agreementTENSILE TESTING Mechanical properties given in Table 7 for Grade S460G3+M shall be modified as follows: Yield Strength (min.):500 MPa (thicknesses ? 40 mm)Tensi

6、le Strength:600 - 700 MPa (thicknesses ? 40 mm) IMPACT TESTINGEXTENT OF TESTINGSURFACE CONDITIONNON DESTRUCTIVE TESTING (NDT)SURFACE PROTECTIONAll surfaces shall receive a preliminary protective primer coat. Blast cleaning shall comply with ISO 8501-1 Sa 2? and the surface shall remain at Sa 2? until application of the primer. The primer shall consist of 1 coat zinc ethyl silicate primer with 15 microns. Measured on a plane polished steel or glass test plate the DFT shall b