30 CrMo 4 (European Union / EN) Material Properties

Other designations:
Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: European Union / EN

Data updates

Latest Update: 2024-12
Total number of updates: 2
Update History:
2016-02

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
Full data access requires a free trial. Sign Up Free
MPa view details
Tensile Strength 700 MPa view details
Elongation, A 11.5 % view details
Reduction of Area val1
Full data access requires a free trial. Sign Up Free
% view details
Impact Energy val1
Full data access requires a free trial. Sign Up Free
J view details
Brinell Hardness (HB) ≤ 223 view details
Rockwell Hardness (HR) val1
Full data access requires a free trial. Sign Up Free
view details
Yield Strength, Rp0.2 val1
Full data access requires a free trial. Sign Up Free
ksi view details
Tensile Strength 101.5 ksi view details
Elongation, A 11.5 % view details
Reduction of Area val1
Full data access requires a free trial. Sign Up Free
% view details
Impact Energy val1
Full data access requires a free trial. Sign Up Free
ft·lb view details
Brinell Hardness (HB) ≤ 223 view details
Rockwell Hardness (HR) val1
Full data access requires a free trial. Sign Up Free
view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.27 – 0.34
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.80 – 1.15
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.35 – 0.60
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
P
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7440-21-3

EN 10297-1: 2003 / Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes

Heat Treatments

  • Annealed (+A): 650-720°C Normalized (+N): 860-900°C Austenitized: 840-870°C Tempered: 540-680°C