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420 Stainless Steel Square Bar/Rod
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420 Stainless Steel Square Bar/Rod

Material Grade: 201/304/304l/316/316l/321/309s/310s/410/420/430/904l/2205/2507
Type: Ferritic, Austenite, Martensite, Duplex
Technology: Cold Rolled and Hot Rolled
Size: According to the customer's requests
Certifications: ISO 9001,SGS,BV
Payment: TT, LC, Western Union.
Service: Third party testing
Delivery: Within 7-15 days or considering the quantity
  • As customers' demands

  • Hongguan

420 Stainless Steel Square Bar&Rod China Manufacturer

Alloy 420 is a hardenable martensitic stainless steel that is an improvement on alloy 410. Similar to 410, it contains at least 12% chromium, just enough to provide corrosion resistance. alloy 420 has a higher carbon content than alloy 410, which is designed to optimize strength and hardness properties. It has good ductility it anneals well, but is capable of hardening to a Rockwell hardness of 50 HRC, the highest hardness rating of 12% chromium. Due to its hardening properties, alloy 420 is not often welded, although it is possible. Martensitic stainless steels are designed for high hardness, and sometimes other properties are compromised to some extent. Corrosion resistance is lower than that of ordinary austenitic grades, and its effective working range is limited by its loss of ductility at sub-zero temperatures and loss of strength due to excessive tempering at high temperatures. Its best corrosion resistance is obtained when the metal is hardened and the surface is ground or polished.

420 Stainless Steel Square Bar&Rod Description

Product name 420 Stainless steel square bar/rod
Material 304,304L,309S,310S,316,316L,316Ti,317,317L,321,347H,201,202,405,409,
Type Round,square,hexagonal,flat,angle
Surface Pickled,Black,Bright,Polishing,Blasting,etc
Specification Round bar Diameter: 3mm~800mm
Angle bar Size: 3mm*20mm*20mm~12mm*100mm*100mm
Square bar Size: 4mm*4mm~100mm*100mm
Flat bar Thickness: 2mm~100mm
Width:  10mm~500mm
Hexagonal Size: 2mm~100mm
Quality test we can offer MTC (mill test certificate)
MOQ 500 kilograms
Payment terms L/C T/T
Stock or not enough stock
Packing Bundled,wooden box for export standard package
Delivery time 7-15 dyas,or according to the order quantity or upon negotiation

420 Stainless Steel Square Bar&Rod Chemical Properties

Grade C Cr Mn Ni P S Si
SS 420 0.15 14 1 - 0.04 0.03 1

420 Stainless Steel Square Bar&Rod Mechanical Properties

Grade Tensile  Strength Yield  Strength Elongation Hardness
SS 420 95,000 50,000 25 175

Stainless Steel Square Bar&Rod Show

stainless steel square bar

About us

Hongguan steel is one of the top stainless steel suppliers in China and can produce stainless steel square bar in various grades and thicknesses. We are popular with many companies for our excellent quality and low price. And all of our 420 stainless steel square bar are ISO 9001:2015 certified and strictly comply with BS EN 10088-2 specification. Please check our website or contact our professional technical team to learn more about our products.


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Tell: 0086-13812027444
WhatsApp: 0086-13812027444
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