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Low alloy Carbon steel OCTG material resistant to Sulfide Stress Cracking in combined presence of H2S, water, and applied stress.
| Grade | Yield strength ksi |
Tensile strength ksi |
Elongation % |
Hardness HRC |
Technical Note | |
|---|---|---|---|---|---|---|
| Min | Max | Min | Max | |||
| SM80S | 80 | 95 | 95 | API Formula | 23.0 | 90% SMYS 1bar H2S, NACE A, Solution-A |
| SM90S | 90 | 105 | 100 | API Formula | 25.4 | 90% SMYS 1bar H2S, NACE A, Solution-A |
| SM95S | 95 | 110 | 105 | API Formula | 25.4 | 90% SMYS 1bar H2S, NACE A, Solution-A |
| SM110S | 110 | 125 | 115 | API Formula | 30.0 | 85% SMYS 0.1bar H2S, NACE A, Solution-B |
| SMC110 | 110 | 125 | 115 | API Formula | 30.0 | 85% SMYS 1bar H2S, NACE A, Solution-A |
| SM125S | 125 | 140 | 130 | API Formula | 36.0 | 85% SMYS 0.03bar H2S, NACE A, Solution-B |