EN 1.7338 (10CrMo5-5) Chromium-Molybdenum Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength490MPa
Yield Strength275MPa
Brinell Hardness150HB
Maximum Service Temperature430°C
Mechanical
A - Min. elongation at fracture (%) longitud., (+NT)
22
+NT
A - Min. elongation at fracture (%) transverse, (+NT)
20
+NT
Elastic (Young's, Tensile) Modulus
190 GPa
Impact Strength: V-Notched Charpy
38 J
KV - Impact energy (J) longitud.,
+20° 40
KV - Impact energy (J) transverse,
+20° 27
R p0.2 0.2% proof strength (MPa) (+NT)
275
+NT
R p0.2 0.2% proof strength (MPa) (+NT)
265
+NT
Rm - Tensile strength (MPa) (+NT)
410-560
+NT
Tensile Strength: Ultimate (UTS)
490 MPa
Tensile Strength: Yield (Proof)
300 MPa
Hardness
+A Soft annealed +AC Annealed to achieve spheroidization of the carbides +AR As rolled +AT Solution annealed +C Cold drawn / hard +CR Cold rolled +FP Treated to ferrite-pearlite structure and hardness range +I Isothermal annealing +LC Cold drawn / soft +M Thermo mechanical rolling +N Normalized +NT Normalized and tempered
+P Precipitation hardened +PE Peeled +QA Air quenched and tempered +QL Liquid quenched and tempered +QT Quenched and tempered +S Treated to improve shearability +SH As rolled and turned +SR Cold drawn and stress relieved +T Tempered +TH Treated to hardness range +WW Warm worked +U Untreated
+A
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
430 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
40 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
7.5 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.6 % IACS
Other
Nominal thickness (mm):
to 60
Nominal thickness(mm):
to 16
Nominal thickness(mm):
16 - 40
Nominal thickness(mm):
40 - 60
Calculated
PREN (Pitting Resistance)
3.1
Resilience: Ultimate (Unit Rupture Work)
97 MJ/m 3
Resilience: Unit (Modulus of Resilience)
240 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
18 points
Environmental
Base Metal Price
3.1 % relative
Embodied Carbon
1.6 kg CO 2 /kg material
Embodied Energy
21 MJ/kg 9.2 x 10 3 BTU/lb
Embodied Water
53 L/kg 6.4 gal/lb
Registered Designations & Aliases
1.73381.733810CrMo5-510CrMo5-5EN 1.7338 (10CrMo5-5) Chromium-Molybdenum Steel
Standards
EN 10216-2 EN 10216-2: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-2 EN 10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-2 EN 10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties Creep-Resistant Steels, Fujio Abe et al. (editors), 2008
EN 10253-2 EN 10253-2: 2007 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements