What is ER2594? ●ER: Like ER2209, this prefix is used in the US AWS A5.9/A5.4 standard to designate wire or filler rod for TIG/MIG welding. ●2594: The number represents its key alloying elements. 25 represents approximately 25% chromium (Cr), while 94 represents the combination of approximately 9.5% nickel (Ni) and 4% molybdenum (Mo). More importantly, […]
Duplex Stainless Steel welding materials Duplex Stainless Steel welding materialsis a highly technical topic. Due to its unique dual-phase (ferrite + austenite) microstructure, special care is required during welding to maintain its excellent mechanical properties and corrosion resistance.Duplex Stainless Steel welding materials 一. Core Objective: Maintaining Phase Balance The performance advantages of duplex stainless steel […]
Ferritic Stainless Steel Welding Ferritic stainless steel welding is a type of stainless steel with chromium as the primary alloying element (typically between 10.5% and 30%), a low carbon content, and a predominantly ferrite structure in service. Its performance characteristics lie between those of martensitic and austenitic stainless steels.Ferritic Stainless Steel Welding Core Characteristics:1. Microstructure: […]
Martensitic stainless steels welding are a type of stainless steel whose mechanical properties (such as hardness and strength) can be significantly modified through heat treatment (such as quenching and tempering). They are members of the stainless steel family known for their strength and hardness.Martensitic Stainless Steel Welding Key Characteristics: 1. Microstructure: Their name derives from […]
Austenitic Stainless Steel Welding I. Core Definition: What is Austenitic Stainless Steel? Austenitic stainless steel welding refers to stainless steel with a predominantly austenite structure when in use. Simply put, its microstructure is a face-centered cubic crystal structure, achieved by adding high levels of austenite-forming elements such as nickel (Ni), manganese (Mn), and nitrogen (N) […]
E81T1-Ni1M – это никельсодержащая металлическая сварочная проволока с сердечником для сварки в среде защитного газа, подходящая для сварки низкотемпературных высокопрочных стальных конструкций. Она обладает превосходной ударной вязкостью при низких температурах. Ниже приведено подробное описание этой проволоки. Добавление никеля (Ni) (обычно в диапазоне 0,8–1,10%) значительно повышает ударную вязкость металла шва при низких температурах, позволяя ему сохранять […]
stainless steel welding consumables types. The classification of stainless steel welding consumables is a crucial and practical topic. The choice of welding consumables directly impacts weld quality, corrosion resistance, and mechanical properties. There are various ways to categorize stainless steel welding consumables, primarily based on material form, matching principles, and functional characteristics. Below, I will […]
Special welding materials ，ERNiCrCoMo-1 is a high-performance nickel-chromium-cobalt-molybdenum alloy welding consumable with excellent high-temperature strength, oxidation resistance, and corrosion resistance.Special welding materials ，ERNiCrCoMo-1 📌一. Basic OverviewERNiCrCoMo-1 is a nickel-based high-temperature alloy welding consumable that complies with AWS A5.14 ERNiCrCoMo-1 (welding wire) and AWS A5.11 ENiCrCoMo-1 (welding rod). Its corresponding high-performance alloy is INCONEL 617. It […]
Nickel Alloy Welding Process 一. Welding Method SelectionDue to the weldability characteristics of nickel and nickel alloys, the selection of welding processes is crucial for ensuring successful welding of nickel and nickel alloys. Production practice has demonstrated that various methods are available for welding these materials, depending on production conditions and structural performance requirements. These […]
weldability of nickel alloys 一、 Weld Heat Cracking1. Crystallisation Cracks:During welding, weld metal in nickel and nickel-based corrosion-resistant alloys, as well as nickel-based high-temperature alloys, exhibits significant susceptibility to crystallisation cracking. This is primarily associated with the following factors.weldability of nickel alloys1.1: Industrial pure nickel, nickel-based corrosion-resistant alloys, and nickel-based high-temperature alloys contain numerous alloying […]