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7 paź 2023 · Learn how carbon content, impurities, and welding methods impact the strength and durability of welded joints. Get ready to uncover the secrets of successful welding!
For many practical purposes, the weldability of one material is a comparison with another, where the first material is one that has been welded successfully before. However, to quantify the weldability of a material, a series of tests - each specific to one aspect of weldability - is available.
The weldability of steel, with regard to hydrogen-induced cold cracking, is inversely proportional to the hardenability of the steel, which measures the ease of forming martensite during heat treatment.
Learn about welding steel the different types of steel, their carbon contents and different weldability of steel properties at OnlineMetals.com.
A G40.21 350W Type “Weldable Steel” This steel is defined as ferritic, a metallurgical term, meeting specified strength requirements and is suitable for general welded construction. The 350 refers to the minimum specified yield strength of 350 Mpa. (Mega pascals).
Weldability is the ability to weld a metal without introducing cracks or other harmful defects and, at the same time, to achieve the properties required by the application. From: Weldability of Ferritic Steels, 1994
Weldability means that the welding process is intended to produce as homogenous properties as possible in the weld, i.e. that the materials affected by the weld must have at least the same strength, corrosion resistance, oxidation resistance etc. as the base material.
