NACE MR 01 75 : 2003

1 General
2 Definitions
3 Carbon and Low-Alloy Steels and Cast Irons
4 Corrosion-Resistant Alloys (CRAs)-All Other Alloys Not
   Defined as Carbon and Low-Alloy Steels and Cast Irons
   in Section 3
5 Fabrication
6 Bolting
7 Platings and Coatings
8 Special Components
9 Wellheads, Christmas Trees, Valves, Chokes, and Level
   Controllers
10 Downhole Casing, Downhole Tubing, and Downhole Equipment
11 Wells, Flow Lines, Gathering Lines, Facilities, and Field
   Processing Plants
12 Drilling and Well-Servicing Equipment
13 Adding New Materials for MR0175 Section 3: Carbon and
   Low-Alloy Steels and Cast Irons
14 Adding New Materials for MR0175 Section 4: Corrosion-Resistant
   Alloys (CRAs)-All Other Alloys Not Defined as Carbon and
   Low-Alloy Steels and Cast Irons in Section 3
15 Proposing Changes and Making Additions for MR0175 Sections 5
   Through 11: Fabrication, Welding, and Specific Equipment
16 Materials for Application-Specific Cases Without Proposing
   Adding New Materials to MR0175
References
Appendix A-Sample Calculations of the Partial Pressure of
         H[2]S
Appendix B-Sample Test Data Tables
Appendix C-Ballot Submittal Data
Appendix D-Acceptable Materials
FIGURE 1: Road Map for MR0175
FIGURE A-1: Sour Gas Systems (see Paragraph 1.4)
FIGURE A-2: Sour Multiphase Systems (see Paragraph 1.4)

Specifies the metallic material requirements for resistance to SSC for petroleum production, drilling, gathering and flowline equipment, and field processing facilities to be used in H[2]S-bearing hydrocarbon service. Applicable to all components of equipment exposed to sour environments where failure by SSC would prevent the equipment from being restored to an operating condition while continuing to contain pressure; compromise the integrity of the pressure-containment system; and/or prevent the basic function of the equipment from occurring. Addresses ferrous metals, nonferrous metals; fabrication; bolting; platings and coatings; special components; valves and chokes; wells, flowlines, gathering lines, facilities, and field processing plants; and drilling and well-servicing equipment.