duplex stainless steels alloy guide metaltek

  • Alloy Performance Guide - Rolled Alloys

    Alloy Performance Guide Rolled Alloys Corrosion Resistant Alloys Nominal Chemical Composition Description Alloy Ni Cr Mo Fe Other AL-6XN® Alloy N08367 24 20.5 6.3 48 C: 0.02, N: 0.22 A high (6.3%) molybdenum super austenitic stainless steel, with high strength. Superior resistance to chloride pitting and crevice corrosion. Alloy 20 N08020

    Get price
  • Welding guide — Materials Technology

    Duplex alloys are quite different from standard stainless steels. They contain roughly 50% each of ferrite and austenite. If not properly welded, this class of alloy can be susceptible to formation of embrittled phases or formation of precipitates which are susceptible to pitting.

    Get price
  • October 2020 Corrosion Guide GI-00415, Rev I

    • 316L, 304L, and super duplex stainless steels • 316L stainless steel lined with Tefzel ® coating • Nickel alloy C22 • Titanium • Tantalum. Environments Meter material Typical 316L stainless steel Nitric acid 304L stainless steel Oilfield chlorides and CO. 2. Super duplex stainless steels. User Guide Meters and corrosion GI-00415 ...

    Get price
  • MetalTek FERRALIUM® 225 UNS J32550 Duplex Stainless Steel

    MetalTek FERRALIUM® 225 UNS J32550 Duplex Stainless Steel Categories: Metal; Ferrous Metal; Duplex; Stainless Steel; Cast Stainless Steel. Material Notes: Excellent seawater corrosion resistance combined with nearly twice the strength of common stainless steels.

    Get price
  • TABLE OF CONTENTS - Stainless Steel World

    STAINLESS STEELS The corrosion resistant, cast, stainless steel grades are grouped into families based on their microstructure (martensitic, austenitic, or duplex). General characteristics of each stainless steel family and specific information about each of the widely used grades are provided in the following sections.

    Get price
  • Duplex Stainless Steel 2205 Corrosion Resistant Grade

    About Duplex Stainless Steel 2205. Duplex Stainless Steel 2205 is designed to prevent common corrosion issues that occur with stainless steel 300 grades.It belongs to a family of dual phase austenitic and ferritic stainless steels. This work hardened steel is a widely used grade among the duplex stainless steel family as it has better corrosion resistance than other steels.

    Get price
  • High- Performance Stainless Steels - Nickel Institute

    of the high-performance stainless steels. There are three primary classifications within the high-performance stainless steels. They are the austenitic, ferritic, and duplex (austenitic-ferritic) families. The stainless steels in each family have general similarities, but there is also a wide range of corrosion resistance and other characteristics.

    Get price
  • Corrosion Alloys Guide - Haynes International, Inc.

    A Guide to the Metallurgical, Corrosion, and Wear Characteristics ... stainless steels to many of the key industrial chemicals, and most are inherently resistant to chloride‐induced localized attack and stress corrosion cracking. ... nickel‐based alloys and the austenitic and duplex (austenitic/ferritic) stainless steels.

    Get price
  • DESIGN GUIDELINES FOR THE SELECTION AND USE OF .

    Duplex stainless steels (Table 5) have an annealed structure which is typically about equal parts of austenite and ferrite. Although not formally defined, it is gener- ally accepted that the lesser phase will be at least 30% by volume. Duplex stainless steels offer several advantages over the common austenitic stainless steels. The duplex ...

    Get price
  • Duplex Stainless Steel Fabrication

    2 • Promoting molybdenum - as a material with superior properties and performance in a wide variety of metallurgical, chemical and other product applications • Expanding the applications in which molybdenum is used via: • Market development programs • Co-operation with consumers, end-users and allied organizations • Technical brochures and training seminars to explain the advantages

    Get price
  • Welding-duplex stainless must follow precise instructions

    For Welding-duplex stainless standard welding processes are used. Except that flux cored arc welding (FCAW) is not recommended, especially for the super duplex grades. An Article on Spot Welding Duplex Stainless Steels was published (11) in Issue 81 of Practical Welding Letters for May 2010. Click on PWL#081 to read it.

    Get price
  • Stainless Steels - Harry Bhadeshia

    The archetypal duplex alloys contain 22-23Cr, 4.5-6.5Ni and 3-3.5Mo wt%, representing some 80% of all duplex stainless steel use. Detailed compositions are given in Table 4. A significant application is in the production of tubing in corrosive oil and gas wells; such tubes have been installed particularly in the North Sea industries.

    Get price
  • Guide to Metals, Steel and Alloys in Oil & Gas Industry ...

    Duplex stainless steel has less nickel and molybdenum than other alloys with corrosion resistance properties. Hence, it could be a better alternative at times of high prices for nickel and chrome. In addition, Duplex Stainless Steel is more price stable. OCTG; Storage Tanks & Pressure Vessels (due to reduced weight of steel) Petrochemicals; Bridges

    Get price
  • Corrosion Resistant Metals | Materials Selection Guide ...

    Stainless Steel. Duplex stainless steels have a two-phase microstructure of austenite and ferrite grains. This structure gives these materials a combination of attractive properties, including strength, ductility, and corrosion resistance. Alloy 2507 super duplex, ferritic-austenitic stainless steel is well-suited for service in highly ...

    Get price
  • MetalTek_Alloy_Guide.pdf | Metallurgy | Stainless Steel

    MetalTek_Alloy_Guide.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. ... AL6XN® 0.03 20-22 DUPLEX / SUPER DUPLEX ALLOY 86 0.02 26 2.8 BAL ESCOLOY 45D® (4) ... GRADE C Cr Cu Al Fe HEAT RESISTANT STAINLESS STEEL CAF 734 0.35-0.55 26-30 BAL CAF 764 STELLITE® 12 1.1-1.7 ...

    Get price
  • A Guide to Duplex Stainless Steel - Unified Alloys

    These duplex stainless steels share many similarities with the modern alloys in production today — in particular, Duplex 2205 (UNS S21803/32205). Developed in the mid-1970s, this alloy is still popular today providing corrosion resistance superior to common austenitic stainless steel grades, such as 304 (UNS S30400), 316 (UNS S31600), and ...

    Get price
  • Stainless Steel Classifications - Engineering ToolBox

    Stainless steels are a iron-based alloy containing at between 10.5% to 30% Cr. Stainless steel achieve its stainless characteristic through the formation of an .

    Get price
  • Duplex stainless steels-Complete Guide

    So, the most feasible thickness for Duplex stainless steel 2205 that can be sliced on a specific shear is 75 percent of that SS 304 or SS 316. The maximum thickness of duplex stainless steels can be cut on a specific shear is 65 % of the common austenitic steel types.

    Get price
  • Alloy Selection Guide – Corrosion Resistant Alloys

    Alloy Selection Guide. We offer cra tubulars to meet project requirements for martensitic (13Cr grades), duplex stainless steel, and nickel alloys. While CRA's primary focus is on OCTG and mechanical tubing for the upstream oil and gas industry to date, CRA's just in time (JIT) job-shop mill manufacturing model is designed to eliminate the ...

    Get price
  • Welding highlights Welding guide for duplex ...

    Generally, when joining duplex stainless steel to other types of material, a duplex filler metal is recommended. For welding SAF 2507 to high alloy austenitic steels, contact for advice. Special observations Pending EN-standard, the max. service temperature is limited to 250°C for all duplex .

    Get price
  • The Atlas Steels Technical Handbook of Stainless Steels

    ATLAS STEELS Technical Handbook of Stainless Steels Page 5 grade significantly different from other similar products. This is particularly appropriate in new product areas such as duplex stainless steels,

    Get price
  • Alloy Selection Guide – Corrosion Resistant Alloys

    Alloy Selection Guide. We offer cra tubulars to meet project requirements for martensitic (13Cr grades), duplex stainless steel, and nickel alloys. While CRA's primary focus is on OCTG and mechanical tubing for the upstream oil and gas industry to date, CRA's just in time (JIT) job-shop mill manufacturing model is designed to eliminate the ...

    Get price
  • Duplex Stainless Steel 2205 Wire- Impact and Fatigue ...

    Oct 16, 2013· The Duplex stainless steel 2205 is weldable through all traditional methods but it should not be welded in absence of filler metal because it may produce ferrite. Since 1554.6 metal qualifies the welding of stainless steel 2205 wire with the help of 2209 rods or electrodes that make sure that the metal has deposited uniformly..

    Get price
  • MetalTek MTEK 2205 Cast UNS J92205 Duplex Stainless Steel

    MetalTek MTEK 2205 Cast UNS J92205 Duplex Stainless Steel Categories: Metal; Ferrous Metal; Duplex; Stainless Steel; Cast Stainless Steel. Material Notes: Excellent seawater corrosion resistance combined with nearly twice the strength of common stainless steels. Applications: Offshore piping systems, couplings.

    Get price
  • Duplex Stainless Steels Welding Guidelines

    Duplex stainless steels were introduced and have been actively developed by European companies since 1935. Their features make them very attractive compared to equivalent austenitic grades: higher resistance to Stress Corrosion Cracking, higher mechanical properties and lower alloy cost. They present excellent cost/properties ratios particularly in

    Get price
  • Welding guide — Materials Technology

    Duplex alloys are quite different from standard stainless steels. They contain roughly 50% each of ferrite and austenite. If not properly welded, this class of alloy can be susceptible to formation of embrittled phases or formation of precipitates which are susceptible to pitting.

    Get price
  • Stainless Steels - Harry Bhadeshia

    The archetypal duplex alloys contain 22-23Cr, 4.5-6.5Ni and 3-3.5Mo wt%, representing some 80% of all duplex stainless steel use. Detailed compositions are given in Table 4. A significant application is in the production of tubing in corrosive oil and gas wells; such tubes have been installed particularly in the North Sea industries.

    Get price
  • Stainless Steel Processing & Fabrication - Ryerson

    Duplex stainless steel is extremely corrosion resistant and work hardenable alloys. 304 vs 316 Stainless Steel: What is the difference? 304 stainless steel is the most widely used grade, most notably present in industrial applications and kitchen equipment. It is a highly heat-resistant stainless steel grade and offers good corrosion resistance ...

    Get price
  • Duplex Stainless Steel - an overview | ScienceDirect Topics

    Duplex stainless steels have low thermal expansion coefficients, similar to carbon steels (Table 5.1). 1–3.This reduces the requirement for expansion joints and renders duplex alloys suitable for thermal cycling conditions. 1 Further, the thermal conductivity is higher than for austenitic grades and this, combined with the higher mechanical strength, allows for thinner walled components in ...

    Get price
  • Alloy Performance Guide - Rolled Alloys

    Alloy Performance Guide Rolled Alloys Corrosion Resistant Alloys Nominal Chemical Composition Description Alloy Ni Cr Mo Fe Other AL-6XN® Alloy N08367 24 20.5 6.3 48 C: 0.02, N: 0.22 A high (6.3%) molybdenum super austenitic stainless steel, with high strength. Superior resistance to chloride pitting and crevice corrosion. Alloy 20 N08020

    Get price
  • duplex stainless steels

    SAF 2707 HD is a high alloy, hyper-duplex stainless steel developed to provide high chloride cor-rosion resistance, combined with improved mechanical properties. It is particularly suitable for use in aggres-sive, acidic, chloride-containing environments. SAF 2507 ® SAF 2507 is a high alloy super-duplex steel for

    Get price
  • MetalTek_Alloy_Guide.pdf | Metallurgy | Stainless Steel

    MetalTek_Alloy_Guide.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. ... AL6XN® 0.03 20-22 DUPLEX / SUPER DUPLEX ALLOY 86 0.02 26 2.8 BAL ESCOLOY 45D® (4) ... GRADE C Cr Cu Al Fe HEAT RESISTANT STAINLESS STEEL CAF 734 0.35-0.55 26-30 BAL CAF 764 STELLITE® 12 1.1-1.7 ...

    Get price
  • MetalTek MTEK 2205 Cast UNS J92205 Duplex Stainless Steel

    MetalTek MTEK 2205 Cast UNS J92205 Duplex Stainless Steel Categories: Metal; Ferrous Metal; Duplex; Stainless Steel; Cast Stainless Steel. Material Notes: Excellent seawater corrosion resistance combined with nearly twice the strength of common stainless steels. Applications: Offshore piping systems, couplings.

    Get price