STAINLESS STEEL 420

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Introduction

1. CIVMATS
2. GRADES
3. STAINLESS STEEL 420

Overview

420 Stainless steel is a type of hardenable martensitic steel, an “higher carbon” version of 410. Martensite 420 is developed to improve the hardness and strength properties of 410 while maintaining the same content of chromium. 12% minimum Chromium of stainless steel 420 is not high in comparison with the typical austenitic grade 304 which contents 18% minimum chromium. However, this content is sufficient to give it anti-corrosion properties, which makes alloy 420 categorized as stainless steel, rather than carbon steel. Due to decreased ductility at subzero temperatures and lowered strength after over tempering at increasingly high temperatures, its applications are limited. This makes stainless steel 420 seldom welded, like 420 welded tubes rarely seen.

Features of 420 Stainless Steel

420 stainless steel features high strength, but poor plasticity and weldability. Due to the high carbon content, 420 stainless steel features high strength, hardness and wear resistance. Since its corrosion resistance is slightly poor, it is generally used to those parts that have special requirements on mechanical properties but relatively low requirements on corrosion resistance, such as varied precision machineries, bearings, electric devices, equipment, instruments, meters, transportation tools, household appliances, and the like.

Tags

Grade 420, Type 420, Inox 420, AISI 420, SUS 420J1, 1.4021, UNS S42000, GB 20Cr13, Acero 420.

Contact 420 Stainless Steel Producer

CIVMATS can manufacture 420 stainless steel seamless tube pipe, 420 stainless steel bars, 420 stainless steel wires & wire rod, 420 stainless steel plates. Besides, Civmats also stocks famous brands 420 stainless steel sheets, coils & strips. Welcome to contact us for any queries regarding 420 stainless steel.