PRODUCT PARAMETERS

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420 STAINLESS STEEL BAR

420 is a hardenable martensitic stainless steel that contains at least 12% chromium, just enough to provide corrosion resistance. It has good ductility in the annealed condition but is capable of being hardened to a minimum Rockwell hardness of 50 HRC, the highest hardness of the 12% chromium grades. Due to its hardening characteristics, 420 is not often welded, although it is possible. Martensitic stainless steels are designed for high hardness, sometimes with other properties compromised to some extent. Corrosion resistance is lower than that of ordinary austenitic grades, and its effective operating range is limited by its loss of ductility at sub-zero temperatures and loss of strength due to over-tempering at elevated temperatures. The best corrosion resistance is achieved when the metal is hardened and the surface ground or polished.


Chemical composition
CSiMnCrSP
≤0.15≤1.0≤1.012.0~14.0≤0.03≤0.04


Physical properties
g/cm³Gpa10-6/ºCW/m*Kμohm.in
7.7420010.224.955


Mechanical properties
σb (MPa)σ0.2   (MPa)δ5   (%)hardness
≥634≥440≥20≤223HB,≥192HB

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FACTORY DISPLAY

COMPANY INTRODUCTION

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Shandong Xingyue Materials Co., Ltd

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Shandong Xingyue Materials Co.,Ltd. is a professional supplier of steel and metal raw materials. Its main products include carbon steel, copper, stainless steel, profiles, rare materials and other products. It is a comprehensive manufacturer. Its products are used in construction, home appliances, aerospace and other fields. The company has strong technical strength and advanced process equipment.
Shandong Xingyue Materials Co.,Ltd. has been recognized by the industry for its integrity, strength and product quality, and its products are sold to many regions at home and abroad. The company adheres to the purpose of "winning customers' trust with quality and expanding the market with reputation" and the development concept of "trust first, humility as sincerity, and harmony as precious", and has won the trust of customers. We are dedicated to providing excellent products and services to customers at home and abroad, and work together for development!
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