420 Stainless Steel Pipe

SKU: HC-1131508106580029440

420 stainless steel is a high-carbon stainless steel, mainly composed of chromium, carbon and molybdenum, with good corrosion resistance and strength.

Testing & Certification

Key Features

  • Third-Party Inspection Support
  • Sufficient Inventory Supply
  • International Standard Certification
  • Custom Processing Service

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Product Description

420 stainless steel is a high-carbon stainless steel, mainly composed of chromium, carbon and molybdenum, with good corrosion resistance and strength. 420 stainless steel pipe is a medium carbon (0.15% to 0.40%) chromium stainless steel . 420 stainless steel has limited heat resistance and is more suitable for low-temperature working environments. Its maximum operating temperature is usually 650 ° C. Heat treatment processes, such as solution treatment and quenching and annealing, can be performed to improve the heat resistance of 420 stainless steel. These treatments can improve the material's grain boundary structure and grain size, thereby improving its heat resistance. 420 stainless steel pipe has lower heat resistance than other heat-resistant stainless steels and works more efficiently in low temperature environments. In high temperature applications, it is recommended to choose stainless steel materials with better heat resistance.

Product Parameters

Product Name420 Stainless Steel Pipe
TypeSteel Pipe
Outer diameterRound Tube4mm-200mm
Square Tube10*10mm-100*100mm
Rectangular Tube10*20mm-50*100mm
Wall Thickness0.6mm-6.0mm
Length1-6 meters,Length can be customized
StandardASTM,AISI,JIS,GB,DIN,EN,etc.
SurfaceBlack,Bright Polished,Rough Turning,Matt Surface Treatment,No.4. BA,etc.
Scope of ApplicationCommon applications for stainless steel pipes include food processing,Textile operations,Breweries,Water treatment plants,Oil and gas processing,Fertilizers and pesticides,Chemical applications,Construction,Pharmaceuticals,Auto parts,etc.
CertificateISO,SGS,BV,etc.
Production TechnologyHot Rolling,Cold Rolling
Edge ProcessingEdging,Trimming

Chemical Composition

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

Mechanical Properties

Tensile Strength Kb (MPa)Yield Strength σ0.2 (MPa)Elongation D5 (%)Hardness
≥ 634≥ 440≥ 20Annealing ≤ 223HB; quenching and tempering ≥ 192HB

Physical Performance

Density(g/cm³)Modulus of Elasticity(Gpa)Coefficient of Thermal Expansion(10 -6 /°C)Coefficient of Thermal Conductivity(W/m * K)Resistivity(ΜΩ. cm)
7.7420010.224.955
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