Martensitic Stainless Steel bar 422/S42200 – GMTC

422

SpecificationAMS 5655、ASTM A565

The 422 stainless steel is a hardenable high alloy stainless steel with a Martensite structure and good corrosion resistance.

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Introduction

Product properties

˙ Withand up to 1200°F temperature

˙  After heat treatment, it has excellent mechanical properties

Industrial Applications

˙ Aircraft parts and components

˙ Parts and components of the steam engine and gas turbine

˙ Components at high temperatures


Specifications

Chemical composition (wt. %)

Element
C
Si
Mn
P
S
Cr
Ni
Mo
V
W
Min.
0.20
-
0.50
-
-
11.00
0.50
0.90
0.20
0.90
Max.
0.25
0.50
1.00
0.040
0.030
13.50
1.00
1.25
0.30
1.25

Physical Property

Density (g/cm^3)
7.75

Modulus of elasticity

Temperature (℃)
Gpa
20
190

Thermal Expansion Coefficient

Temperature (℃)
10^-6/℃
100
11.2

Thermal Conductivity

Temperature (℃)
W/m·K
20
23.9

Mechanical Property

Items
Annealed
Hardness
285-331

Size Ranges

Products
Diameter (mm)
Length (mm)
Rolled bar
12~95
3000~5700
Forged bar
95.2~127
3000~5700
Flat bar
80*80 (min.)
Based on the customer needs
Billet
130x130, 140x140, 150x150, 160x160
7,000 max.

Heat Treatment Conditions

Heat Treatment Conditions
Quenching: 1020°C min.
Tempering 1: 620°C min.

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