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Alloy 32760 (Super Duplex 32760) Langley Alloys Ltd

Alloy 32760 (UNS S32760) DescriptionAlloy 32760 is a super duplex stainless steel supplied in the hot worked and solution annealed condition. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. The higher chromium, molybdenum and nitrogen contents result in a Pitting Resistance

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Super Duplex S32750 S32760 Super Duplex Stainless Steel

Super Duplex Corrosion Resistance. Super Duplex also provides excellent resistance to inorganic acids, especially those containing chlorides. The pitting Resistance equivalent of Super Duplex, calculated by PREN = Cr + 3.3Mo + 16N, will exceed 40 in most material forms.

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S32750 compatibility —— SJ Steel Plate sjarcuterie.be

Technical Reference on Hydrogen Compatibility of Materials High Alloy Ferritic SteelsDuplex Stainless Steels (code 1600) 1. General A duplex stainless steel is an alloy containing a two phase microstructure of face centered cubic austenite (γ) and body centered cubic ferrite (α), where the phases each consist of at least 12 wt% Cr.

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Difference Between Duplex and Super Duplex Steel Oshwin

Super Duplex Stainless Steel – UNS S32750 / UNS S32760. Super Duplex S32750 and Super Duplex S32760 has 25% chromium (25Cr Duplex), 4% molybdenum, and 7% nickel also known as X2CrNiMoN25 7 4. This high molybdenum, chromium and nitrogen content causes high resistance to chloride pitting and crevice corrosion attack and the duplex structure provides

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THE CORROSION OF SUPERDUPLEX STAINLESS STEEL IN

At high tide the frame was fully under water. The alloys exposed were carbon steel, 316L stainless steel and Z100. Figure 8 The appearance of the MIC test frame at low tide. After 5 years exposure, there was general corrosion of the carbon steel below the mudline at about the same rate as in

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Standard Specification for Stainless Steel Bars and Shapes1

DesignationA 276 – 06 Standard Specification for Stainless Steel Bars and Shapes1 This standard is issued under the fixed designation A 276; the number immediately following the

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PAGE 613 Experiences with Zeron 100® superduplex

about galvanic compatibility. Zeron 100 has now been in service for up to ten years. The material is readily weldable with over one million joints now in serv Zeron 100 (wrought) S32760 bal. 25 7 3.5 0.25 0.7 0.7 >40 Zeron 100 (cast) J93380 bal. 25 8 3.5 0.25 0.7 0.7 >40 Table 1. Nominal composition of some commonly used stainless steels.

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DUPLEX Stainless Steel

What is the “Family” •Lean Duplex SS – lower nickel and no molybdenum – 2101, 2102, 2202, 2304 •Duplex SS – higher nickel and molybdenum 2205, 2003, 2404 •Super Duplex – 25Chromium and higher nickel and molybdenum “plus” – 2507, 255 and Z100 •Hyper Duplex – More Cr, Ni, Mo and N

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THE CORROSION OF SUPERDUPLEX STAINLESS STEEL

At high tide the frame was fully under water. The alloys exposed were carbon steel, 316L stainless steel and Z100. Figure 8 The appearance of the MIC test frame at low tide. After 5 years exposure, there was general corrosion of the carbon steel below the mudline at about the same rate as in

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PAGE 613 Experiences with Zeron 100® superduplex

Figure 5 shows the resistance of Zeron 100 to hydrochloric acid compared with 316L, S31254 (a 6Mo austenitic stain less steel) and S32750 (a superduplex alloy). As for sulphuric acid, it is the combi nation of copper and tungsten in Zeron 100 that is believed to give its good corrosion resistance.

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Alloy 20 Corrosion Materials

A lower hardness can be obtained by heating to 2100°F but his may have a negative effect on the stabilization of the alloy. Welding Alloy 20 is commonly performed via, TIG, MIG as well as submerged arc welding (SAW) using either the matching filler metal, ER320LR for

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DUPLEX Stainless Steel

What is the “Family” •Lean Duplex SS – lower nickel and no molybdenum – 2101, 2102, 2202, 2304 •Duplex SS – higher nickel and molybdenum 2205, 2003, 2404 •Super Duplex – 25Chromium and higher nickel and molybdenum “plus” – 2507, 255 and Z100 •Hyper Duplex – More Cr, Ni, Mo and N

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The Effect of Copper on Crevice Corrosion of Stainless

The sig­ nificant depolarization of the cathodic reaction of S32760 when coupled to copper shows the much greater efficiency of cop­ per as a cathode. This is what is believed to have stimulated the initiation of crevice corrosion in the sprinkler heads when repassivation would normally occur.

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Marine Corrosion Resistance of ZERON 100

Marine Corrosion Resistance of ZERON Alloy groupings for galvanic compatibility in seawater at ambient temperature (Ref 22). Table 3. Installation list for seawater pumps in Zeron 100. It falls within the composition limits of UNS S32760 (wrought) and UNS J93380 (cast). However, the composition limits of these two UNS numbers are very

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Stainless 2507, Super Duplex 2507, UNS S32750, Stainless

UNS S32750. Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. Alloy 2507 has 25% chromium, 4% molybdenum, and

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Sandvik SAF™ 2507 super duplex stainless steel

Sandvik SAF™ 2507 super duplex stainless steel Sandvik SAF™ 2507 (UNS S32750) is a super duplex stainless steel; a high alloy duplex steel with a PRE value of min. 42*. The grade is characterized by very good chloride corrosion resistance, combined with very high mechanical strength.

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ArticleDuplex Stainless Steels A Simplified Guide

Stainless steel structures in swimming pools are known to be prone to SCC. The use of standard austenitic stainless steels like 304 and 316 is forbidden in this application. The best steels to use for this purpose are the high nickel austenitic steels such as the 6% Mo grades.

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Sandvik SAF 2507® — Sandvik Materials Technology

Sandvik SAF 2507 ® is a member of the family of modern duplex stainless steels whose chemical composition is balanced to give quick reformation of austenite in the high temperature heat affected zone of a weld. This results in a microstructure that provides

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A 25Cr Duplex Stainless Steel

Mechanical Properties Mechanical and Physical Properties 2507 combines high tensile and impact strength with a low coefficient of thermal expansion and high thermal conductivity.

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neonickel

The other super duplex UNS S32760 and 25 Cr alloys suffered no attack. 2 2 Oil and Gas Process System In offshore process systems the environment is very different to sea water. The process water contains chlorides, but the concentration can vary from 10, 000 mg/l to over 150,000 mg/ 1. In addition both Coa and Has are often present, and the pH

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RTJ material chart Smith Gaskets

ring type joints The gasket hardness is carefully controlled and shall always be softer than the mating flanges to ensure a good seal and no damage to the flange surface (noteRTJ

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The Use of 2205 Duplex StainlessSteel for Pharmaceutical

Type 316L should be avoided for applications involving chlorides and temperatures of 150°F (60°C) and higher. As shown in Figure 4, 2205 duplex stainless steel resists SCC in simple salt solutions up to temperatures of at least 250°F (120°C).

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