MASTER VALVE BLOCK Steel: CrMo - NiCrMo - 2 1/4Cr1Mo - Low C13Cr4Ni | STRESS JOINT Steel: NiCrMo - 2 1/4Cr1Mo - Low C - 707 | FLANGE Steel:CMnV - CrMo - NiCrMo - 2 1/4Cr1Mo - 707 |
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| WELLHEAD Steel: CrMo - NiCrMo - 2 1/4Cr1Mo - Low C13Cr4Ni Low C | BODY VALVE Steel: CrMo - NiCrMo - 2 1/4Cr1Mo - Low C13Cr4Ni | B.O.P. Steel: CrMo - NiCrMo - 2 1/4Cr1Mo |
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