VM 110 SS is a high H2S corrosion resistant alloy steel. Its sour service resistance has been designed and material is quality control tested per lot. It is in accordance with API 5CT Grade C110 PSL 1. It has an 85% SMYS threshold level of resistance to 100% H2S environment.
VM 110 SS is used as casing with effluent containing H2S from room to high temperatures. VM 110 SS is available up to 14" and with heavy wall up to 1 inch and more. Recommended use is with pCO2 below 2psi / 0.14bar.
VM 110 SS is an optimized 110 ksi grade with restricted yield strength range and H2S resistance at 85% SMYS in NACE A test conditions
Strength ksi (MPa)
Control hardness through wall
Quality Control corrosion performances - SSC
NACE TM 0177
Test type Test medium
Please refer to the VAM® BOOK and API RP5C1.