NORSOK挪威石油标准化组织Y45r4Date shett

1、norsok挪威石油标准化组织y45r4date shett norsok standardmaterial data sheetmds - y45 rev. 42type of material: structural steelproductstandardgradeplates en 10225s460q3/s460m3s460g1+q/g1+mscopethis mds specifies the selected options in the referred standard and modified requirements which shall supersede the c

2、orresponding requirements in the referred standard.qualificationsbase material information, shall be submitted with the bid/ be established prior to delivery.the documentation of base material shall cover both delivered and pwht condition and shall include strain ageing tests (ref. option 12), typic

3、al tensile test results for plates and weldability tests according to annex e (option 18) within each of the following thickness ranges that are relevant for the order: 25 40 mm and shall meet a requirement of min. 0,25 mm in as welded condition, and min 0,20 in pwht condition unless lower values ha

4、ve been accepted by the purchaser. ctod testing for thicknesses below 40 mm may be required on the basis of special design criteria.documentation of base material and weldability tests shall cover both as-delivered and pwht condition and the material shall comply with the specified requirements in p

5、wht condition. ctod testing shall be included and shall meet a requirement of min. 0.25 mm (as-welded)/min. 0.20 mm (pwht condition), unless a lower value has been accepted by the purchaser. heat treatment/delivery conditionchemical compositionoption 6 and 9.tensile testingmechanical properties give

6、n in table 5c shall be modified as follows: yield strength (min.):460 mpa (all thicknesses)tensile strength:550 - 700 mpa (all thicknesses) 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 p