API 2SC : 2010

MANUFACTURE OF STRUCTURAL STEEL CASTINGS FOR PRIMARY OFFSHORE APPLICATIONS

American Petroleum Institute

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1 Scope
2 Normative References
3 Terms, Definitions, and Acronyms
   3.1 Term and Definitions
   3.2 Acronyms
4 Quality Requirements, Quality Plan (QP), and
   Manufacturing Procedure Specification (MPS)
   4.1 General
   4.2 Procurement Specification
   4.3 Lowest Anticipated Service Temperature (LAST)
   4.4 Service Categories
   4.5 Critical Sections
   4.6 Underlying Industry Standard Specification
   4.7 Traceability
   4.8 Information to be Supplied to the Casting Manufacturer
   4.9 Document Requiring Approval by the Purchaser and
        Contractor
   4.10 Preproduction Meeting
   4.11 Post-job Production Histograms
   4.12 Certificates
5 Process of Manufacture and Chemical Composition
   5.1 General
   5.2 Chemical Composition
6 Heat Treatment
   6.1 Heat Treatment Process Control Requirements
   6.2 Quenching
   6.3 Heat-treatment Furnace Records or Charts,
        Temperatures and Cycle Times
7 Qualification Test Sample (QTS)
   7.1 Castings Represented by QTS
   7.2 QTS Dimensional Requirements
   7.3 QTS Heat Treatment
   7.4 Partial Severing of Quality Test Samples
8 Mechanical Properties and Tests
   8.1 Tensile Tests
   8.2 Hardness Tests
   8.3 Charpy V-notch Impact Tests (CVN Tests)
   8.4 Drop-weight or Pellini Test (DWT)
9 Repair Welding of Castings
   9.1 Approval of Repair Welding WPSs and PQRs and Code
        Compliance
   9.2 Allowable Welding Processes
   9.3 PWHT of Major Weld Repairs
   9.4 Identification
   9.5 Records of Welder and Welding Operator Qualification
        Test Results
   9.6 Welding Consumables
   9.7 Welding Procedure Specification (WPS)
   9.8 Repair Weld Procedure Qualification Requirements
   9.9 Repair Weld Workmanship and Technique
   9.10 NDT of Repair Welds Made During Production
   9.11 Repair Weld Charts and Maximum Allowable Repair Weld
        Volume and Surface Area
10 NDT of Castings
   10.1 General
   10.2 VT of Castings
   10.3 NDT of Castings for Surface Defects
   10.4 NDT of Castings for Subsurface Indications
   10.5 Documentation of NDT results
11 Dimensional Inspection
12 MTR
Annex A (informative) - Use of the API Monogram by Licensees
Bibliography

Abstract

Describes the specifications of Structural Steel Castings which are intended for use in the fabrication of offshore structures, manufacture of critical marine or mechanical or other system components intended for application on permanent offshore structures, or for components used in the construction of offshore tendons, risers and pipelines.