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98096 APPLICATION OF MARTENSITIC, MODIFIED MARTENSITIC AND DUPLEX STAINLESS STEEL BAR STOCK FOR COMPLETION EQUIPMENT

Picture for 98096 APPLICATION OF MARTENSITIC, MODIFIED
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Product Number: 51300-98096-SG
ISBN: 98096 1998 CP
Author: Rashmi B. Bhavsar, Raimondo Montani
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Martensitic and duplex stainless steel tubing are commonly used for oil and gas applications containing CO2. Completion equipment manufacturing requires use of solid round bar or heavy wall hollows. Material properties for this stock are not identical in all cases. Material properties as well as corrosion characteristics are discussed for 13Cr, 13Cr - 5Ni - 2Mo and 25Cr alloys. Corrosion testing of modified or Enhanced 13Cr solid bar stock, UNS S41425 and other compositions in H2S - Cl- and pH is reported in coupled and uncoupled condition. Corrosion testing of various super duplex bar stock at various H2S - chlorides and temperature in CO2 environment is reported. Impact value requirements, welding issues and special consideration required for these alloys for completion equipment is discussed. Modified 13Cr and Super Duplex Oil Country Tubular Goods (OCTG) are readily available, however, availability of completion equipment raw material compatible with these OCTG is limited. Keywords: Martensitic, 410 Stainless Steel, 420 Modified Stainless Steel, 13Cr, Super 13Cr, Modified 13Cr, Super Duplex, Stress Corrosion Cracking, Hydrogen Sulfide, Carbon Dioxide, Chlorides, PH.
Martensitic and duplex stainless steel tubing are commonly used for oil and gas applications containing CO2. Completion equipment manufacturing requires use of solid round bar or heavy wall hollows. Material properties for this stock are not identical in all cases. Material properties as well as corrosion characteristics are discussed for 13Cr, 13Cr - 5Ni - 2Mo and 25Cr alloys. Corrosion testing of modified or Enhanced 13Cr solid bar stock, UNS S41425 and other compositions in H2S - Cl- and pH is reported in coupled and uncoupled condition. Corrosion testing of various super duplex bar stock at various H2S - chlorides and temperature in CO2 environment is reported. Impact value requirements, welding issues and special consideration required for these alloys for completion equipment is discussed. Modified 13Cr and Super Duplex Oil Country Tubular Goods (OCTG) are readily available, however, availability of completion equipment raw material compatible with these OCTG is limited. Keywords: Martensitic, 410 Stainless Steel, 420 Modified Stainless Steel, 13Cr, Super 13Cr, Modified 13Cr, Super Duplex, Stress Corrosion Cracking, Hydrogen Sulfide, Carbon Dioxide, Chlorides, PH.
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Picture for Sulfide Stress Cracking (SSC) Resistance of AISI 420 Modified (13Cr) Martensitic Stainless Steel Bar
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51317--9645-Sulfide Stress Cracking (SSC) Resistance of AISI 420 Modified (13Cr) Martensitic Stainless Steel Bar

Product Number: 51317--9645-SG
ISBN: 9645 2017 CP
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This paper discusses a study wherein the SSC resistance of 13Cr bar stock quenched and tempered to 22 HRC maximum hardness was tested and evaluated beyond the maximum H2S limit of 10 kPa (1.5 psi) established in NACE MR0175/ISO 15156-3 for use in sour service.

 
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98099 UNDERSTANDING THE HIGH TEMPERATURE CORROSION BEHAVIOUR OF MODIFIED 13% Cr MARTENSITIC OCTG

Product Number: 51300-98099-SG
ISBN: 98099 1998 CP
Author: Peter Felton, Michael John Schofield
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Picture for 98095 “SULPHIDE STRESS CRACKING RESISTANCE
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98095 “SULPHIDE STRESS CRACKING RESISTANCE OF SUPERDUPLEX STAINLESS STEELS IN OIL & GAS FIELD SIMULATED ENVIRONMENTS”

Product Number: 51300-98095-SG
ISBN: 98095 1998 CP
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