420 Stainless Steel Plate

420 Stainless Steel Plate

420 Stainless Steel Plate 420 Stainless steel plate surface is bright and clean, have high plasticity, toughness and mechanical strength, acid, alkaline gas, solution and other medium corrosion. It is not easy to rust the alloy steel, but not absolutely not rust, according to the method can be...
Product description

420 Stainless Steel Plate

420 Stainless steel plate surface is bright and clean, have high plasticity, toughness and mechanical strength, acid, alkaline gas, solution and other medium corrosion. It is not easy to rust the alloy steel, but not absolutely not rust, according to the method can be divided hot and cold rolling two kinds.


The 420 stainless steel plate is divided into two kinds of hot rolling and cold rolling by the method, including thickness of 0.5-4 mm and 4.5-35 mm thick plate, according to the organizational characteristics of the steel grades are divided into 5 categories: austenitic body, austenite-ferritic body, ferrite body, martensite, precipitation hardening type. The request can withstand oxalic acid, sulfuric acid-ferric sulfate, nitric acid, nitric acid-hydrofluoric acid, sulfuric acid-copper sulfate, phosphoric acid, formic acid, acetic acids and other corrosion, widely used in chemical industry, food, medicine, papermaking, Petroleum, atomic energy and other industries, as well as construction, kitchenware, tableware, vehicles In order to ensure that all kinds of stainless steel plate yield strength, tensile strength, elongation and hardness and other mechanical properties meet the requirements, steel plate before delivery must undergo annealing, solid solution treatment, aging treatment and other heat treatment. Corrosion resistance of stainless steel mainly depends on its alloy composition (chromium, nickel, titanium, silicon, aluminum, etc.) and the internal structure, the main role is the chromium element. Chromium has a high chemical stability, can form a passivation film on the steel surface, so that the metal is isolated from the outside world, the protection of steel plate is not oxidized, increase the corrosion resistance of steel plate. The corrosion resistance decreases after the passivation film is destroyed.


Classification


Classification by Thickness

(1) sheet 

(2) plate 

(3) thick plate 

(4) special thick plate


Classification by Production Method

(1) Hot rolled steel plate 

(2) cold rolled steel plate


Classification by Surface Feature

(1) Galvanized sheet (hot-dip galvanized sheet, galvanized plate) 

(2) tinplate 

(3) Composite steel plate 

(4) color coated steel plate


Classification by Purpose

(1) Bridge Steel Plate 

(2) Boiler Steel Plate 

(3) Ship Building Steel Plate

(4) Armored Steel Plate 

(5) Automobile Steel Plate 

(6) Roofing Plate 

(7) Structure Steel Plate 

(8) Electrical Steel Plate (Silicon Steel) 

(9) Spring Steel Plate

(10) Other two, Japanese designations for common and mechanical structural steels

 


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