Materials Portal Logo MATERIALS PORTAL

10S20 | 1.0721 Material Datasheet

Unlock Exclusive Materials Data

Gain access to a wealth of materials data by joining our Materials Portal.

Register for Free or Upgrade for Full Access

Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
1.0721 (DIN EN ISO 683-7 : 2025-02) 10S20 1.0721 DIN EN ISO 683-7 : 2025-02 Supersedes DIN EN 10277 : 2018-09 Valid Germany 10S20 1.1.1 1)
1) Remark: The free-cutting case-hardening steel shows considerably uniformer properties of the cross-section and within the melt than semi-killed free cutting steels. It shows a slightly higher machinability at relatively favorable ductility properties. According to this standard it will be delivered as levelled and bright steel sheared to length in the drawn, peeled or grinded condition.

Chemical Composition

C [%] Mn [%] P [%] S [%] Si [%] Remainder
blur blur blur blur blur blur 1)
1) Source: blur

Material Compliance

REACh RoHS
blur blur

Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Hardness HB | HBW
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
1) Source: blur

Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Shear Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Differential Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Thermal Diffusivity [10^-6 m²/s] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)] True Specific Heat Capacity [kJ/(kg*K)]
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur 2)
1) Source: blur
2) Source: blur

Cross Reference

Material Name Country Standard
Y12 China GB/T 8731 1)
U71122 China ISC 2)
10S20 Europe EN ISO 683-7
10S20 International ISO 683-7
A108 Grade 1108 USA ASTM A108 2)
A108 Grade 1109 USA ASTM A108 2)
1108 USA SAE 2)
G11080 USA UNS 2)
1109 USA SAE 2)
G11090 USA UNS 2)
1) Source: EN ISO 683-7:2024-10
2) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach