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API 5CT/ISO 11960 Grades in NACE MR0175/ISO 15156 Pt. 2

API 5CT/ISO 11960 Grades in NACE MR0175/ISO 15156 Pt. 2. John W Martin. Listing of API 5CT/ISO 11960 Grades. Group 1 H40, J55, K55, N80 Type 1, N80Q, R95 Group 2 M65, L80 Type 1, C90 Type 1, T95 Type 1, C110* Group 3 P110 Group 4 Q125 Type 1

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API 5CT/ISO 11960 Grades in NACE MR0175/ISO 15156 Pt. 2

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  1. API 5CT/ISO 11960 Grades inNACE MR0175/ISO 15156 Pt. 2 John W Martin

  2. Listing of API 5CT/ISO 11960 Grades Group 1 H40, J55, K55, N80 Type 1, N80Q, R95 Group 2 M65, L80 Type 1, C90 Type 1, T95 Type 1, C110* Group 3 P110 Group 4 Q125 Type 1 *Not presently covered in NACE MR0175/ISO 15156 Part 2 2

  3. Clause A.2.2.3 NACE MR0175/ISO 15156 Pt. 2 3

  4. Table A.3 NACE MR0175/ISO 15156 Pt. 2 4

  5. Table A.3 NACE MR0175/ISO 15156 Pt. 2 N80Q N80 (Q or type 1) Q125 type 1 R95 Delete year reference (2001) Note b can be deleted 5

  6. Future Work/Ballot How to deal with API 5CT/ISO 11960 Grade C110? This is the closest available. Is it adequate? Can the Grade be listed? Properties of API 5CT/ISO 11960 Grade C110:- • Chemistry – C 0.35 max.; Cr 0.4 to 1.5; Mo 0.25 to 1.00 (e.g. UNS G41350 C 0.33 to 0.38; Cr 0.80 to 1.10; Mo 0.15 to 0.25) • Heat Treatment – Quenched and Tempered (649°C; 1200°F min.) • Yield Strength (range) – 758 to 828 MPa (110 to 120ksi) • Maximum Hardness – 30 HRC 6

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