UNE 10SPb20 Structural and constructional steels
Material group:
Ferrous Alloys / Structural and constructional steels
Country / Standard:
Spain / UNE
Data updates
Latest Update: 2024-12
Total number of updates: 3
Update History
2018-10
2018-09
This material has 329 properties — only a subset is shown here.
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UNE 10SPb20 Chemical Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.07 – 0.13
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.70 – 1.10
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Other
VALUE
Elements such as Te, Bi etc., may only be added by the manufacturer for improving machinability
UNIT
%
CAS NUMBER
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
EN 10087: 1998 / Free-cutting steels - Technical delivery conditions for semi-finished products, hot-rolled bars and rods
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UNE 10SPb20 Physical Properties
Temperature
Modulus of Elasticity
190 — 210
GPa
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Thermal Conductivity
47
W/(m∙°C)
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Density
7.67 — 7.86
kg/dm³
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Heat Capacity
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Melting Temperature
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Poisson Coefficient
val1
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This material has 329 properties — only a subset is shown here.
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UNE 10SPb20 Heat Treatments
- Carburizing: 880-980°C. The carburizing temperature will depend on the chemical composition of the steel, the mass of the product, and the carburizing medium. If the steels are direct hardened, in general a temperature of 950°C is not exceeded. For special procedures, for example under vacuum, higher temperatures, for example 1020°C to 1050°C, are not unusual;
Direct and simple hardening: 830-870°C;
Double hardening: Core-hardening: 880-920°C and case-hardening: 780-820°C;
Quenching agent: water, oil, emulsion (depends, for example, on the shape of the products, the cooling conditions and the quantity of furnace filling);
Tempering: 150-200°C (1h minimum). - Carburizing: 880-980°C. The carburizing temperature will depend on the chemical composition of the steel, the mass of the product, and the carburizing medium. If the steels are direct hardened, in general, a temperature of 950°C is not exceeded. For special procedures, for example under vacuum, higher temperatures (for example 1 020 to 1 050°C) are not unusual;
Core-hardening: 880-920°C. When applying the single quench method, the steel is to be quenched from the carburizing temperature or a lower temperature. The lower hardening temperatures are in each case to be preferred, in particular when there is risk of distortion; Case-hardening: 780-820°C;
Quenching agent: water, oil, emulsion. The kind of quenching agent depends on, for example, the shape of the products, the cooling conditions and the amount of furnace filling;
Tempering: 150-200°C (1 h minimum).
UNE 10SPb20 Mechanical Properties
Temperature
Tensile Strength
350 — 780
MPa
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Brinell Hardness (HB)
105 — 156
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Elongation, A
≥ 7
%
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Grain Size
val1
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Yield Strength, Rp0.2
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UNE 10SPb20 International Equivalent Materials
Showing 15 of 117 results.
MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
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- 117Cross References
- 37Composition
- 75Mechanical Properties
- 8Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- 15Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 22Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 53Total Suppliers