Martensitic stainless steels

X13D

Spécifications

Common name
420
EU
X20Cr13
USA
UNS: S42000
AISI: 420
ISO Symbol
X20Cr13
ISO Num
1.4021
WL
1.4014
BS
S62
ASTM grade
420
ASTM std
A276, A314, A473

Composition

C
0.2
Cr
13

Applications

• Blades turbines.
• Various mechanical parts.

Characteristics

• Martensitic stainless steel.
• Good resistance to the corrosive effect of fresh water and various corrosion agents.
• Good resistance to steam erosion up to 525°C.

Mechanical properties

Heat
treatment
UTS
(N/mm²)
0,2%
YS
(N/mm²)
A
(%)
KCU
(J/cm²)
T + Rv 250°C 1450 1150 13 50
T + Rv 600°C9007501780

Key to heat treatment symbols

Solution treated H Annealed R
Thermo-mechanical treatment TM Quenched and tempered T+RV
Sub-zero treatment F Solution treated and aged H+V

See also

56CW

Martensitic stainless steels

X13VD

Martensitic stainless steels

APX

Martensitic stainless steels