420 Stainless Steel Plate

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

  • Commodity name: 420 Stainless Steel Plate

420 Stainless Steel Plate Description

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


Product Parameters

Product Name

420 Stainless Steel Plate

Type

Plate

Thickness

0.3mm-200mm

Length

2000mm, 2438mm, 3000mm, 5800mm, 6000mm, 12000mm, etc.

Width

40mm-600mm, 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc.

Standard

ASTM, AISI, JIS, GB, DIN, EN, etc.

Surface

BA, 2B, NO.1, NO.4, 4K, HL, 8K, etc.

Scope of Application

Widely used in high temperature and electrical industry, medical equipment construction, chemical, food industry, agriculture and ship parts, food and beverage packaging,

Kitchen supplies, trains, airplanes, conveyor belts, vehicles, bolts, nuts, springs and screens, etc.

Certificate

ISO, SGS, BV, etc.

Production Technology

Hot Rolling, Cold Rolling

Edge Processing

Edging, Trimming

 

Chemical Composition

C

Si

Mn

Cr

S

P

≤ 0.15

≤1.0

≤1.0

12.0～14.0

≤ 0.03

≤ 0.04

 

Mechanical Properties

Tensile Strength Kb (MPa)

Yield Strength σ0.2 (MPa)

Elongation D5 (%)

Hardness

≥634

≥440

≥20

Annealing≤ 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)

7.74

200

10.2

24.9

55

 

Surface Selection


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