Hungary · MSZ

X 20 Cr 13

MSZ EN 10151

Chemical composition

wt% · log scale

min – max range
typical value

Mechanical properties

value range by condition

Physical properties

vs. temperature

Elastic modulus GPa

Mean thermal expansion 10⁻⁶/K

Thermal conductivity W/(m·K)

Specific heat J/(kg·K)

Resistivity Ω·mm²/m

Density kg/dm³

Chemical composition

Element	min	max
C	0.16	0.25
Cr	12	14
Mn		1.5
P		0.04
S		0.015
Si		1

Mechanical properties

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Reduction of area	Impact energy	Hardness
steel strip +C700		700–850
steel strip +C850		850–1000
steel strip, annealed		500–700

Physical properties

Temperature

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
215.00；216.00；210.00；220.00		30.00；25.10	460.00	0.60	7.70

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
212.00；213.00	10.50

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
205.00；207.00	11.00	26.50	500.00	0.69

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
200.00	11.50

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
190.00；192.00	12.00	27.70	590.00	0.86

500.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	12.00

600.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
		27.40	720.00	1.03

800.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
		25.00	860.00	1.17

Typical physical values

Density	Elastic modulus	Poisson's ratio	Remarks
7.61–8.10	190.00–215.00	0.27–0.30	Typical material properties for stainless steel. These values are not taken from the standard; they are indicative and must not be used for design.
7.86	190.00–210.00	0.27–0.30	Material properties for low-carbon, high-alloy steel. These values are not taken from the standard; they are indicative and must not be used for design.

Fatigue

Condition

1. Forging; Thickness: <= 160mm; quenched and tempered (QT700); Reversed bending; T: 20°C; -

Test conditions

Item	Detail
Product	forging; Thickness: <= 160mm; +QT700
Experiment	Reversed bending; T: 20°C
Specimen

Monotonic

Property	Value
Yield strength (MPa)	500.0
Tensile strength (MPa)	700.0 850.0
Elongation (%)	13.0

Stress life

No.	Cycles
1	1E7

Item	Detail
Product	forging; Thickness: <= 160 mm; +QT800
Experiment	Reversed bending; T: 20°C
Specimen

Property	Value
Yield strength (MPa)	600.0
Tensile strength (MPa)	800.0 950.0
Elongation (%)	12.0

Heat treatment

Type	1
Heat-treatment curve	Hardness-Tempering
Heat-treatment curve	CCT modified
Heat-treatment curve	CCT
Heat-treatment curve	TTT

Similar grades

Grade	Region	System
4021-420-00-I	International standard	ISO
20Cr13	China	GB
S42020	China	GB
1.4021	Italy	UNI
1.4021	Spain	UNE
X 20 Cr 13	Spain	UNE
1.4021	Romania	STAS
X 20 Cr 13	Romania	STAS
1.4021	Sweden	SS
X 20 Cr 13	Sweden	SS
1.4021	Switzerland	SNV
X 20 Cr 13	Switzerland	SNV
1.4021	Finland	SFS
X 20 Cr 13	Finland	SFS
1.4021	Poland	PN
X 20 Cr 13	Poland	PN
1.4021	Austria	ONORM
X 20 Cr 13	Austria	ONORM
1.4021	Norway	NS
X 20 Cr 13	Norway	NS
1.4021	Belgium	NBN
X 20 Cr 13	Belgium	NBN
1.4021	Hungary	MSZ
1.4021	Czech Republic	CSN
X 20 Cr 13	Czech Republic	CSN
1.4021	Bulgaria	BDS
X 20 Cr 13	Bulgaria	BDS
1.4021	United Kingdom	B.S.
X 20 Cr 13	United Kingdom	B.S.
1.4021	France	AFNOR NF
X20Cr13	International standard	ISO
KO 11	Hungary	MSZ
20H13	Russia	GOST
SUS 420J1	Japan	JIS
X 20 Cr 13	Italy	UNI
X 20 Cr 13	France	AFNOR NF
X 20 Cr 13	Germany	DIN
1.4021	Germany	DIN
2Cr13	China	GB
420 S 29	United Kingdom	B.S.