Sep 13 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesOther DesignationsApplications
Introduction
Carbon is the major alloying element present in the carbon steels. These steels contain aluminium, chromium, copper, nickel, and molybdenum in small quantities. They also contain 0.4% of silicon and 1.2% of manganese.
The following datasheet gives an overview of AISI 1212 carbon steel.
Chemical Composition
The following table outlines the chemical composition of AISI 1212 carbon steel.
| Element |
Content (%) |
| Iron, Fe |
98.52 - 99.07 |
| Sulfur, S |
0.16 - 0.230 |
| Carbon, C |
≤ 0.13 |
| Manganese, Mn |
0.70 - 1.0 |
| Phosphorous, P |
0.070 - 0.12 |
Physical Properties
The physical properties of AISI 1212 carbon steel are given in the following table.
| Properties |
Metric |
Imperial |
| Density |
7.87 g/cm3 |
0.284 lb/in³ |
Mechanical Properties
The mechanical properties of the cold drawn AISI 1212 carbon steel are tabulated below.
| Properties |
Metric |
Imperial |
| Tensile strength |
540 MPa |
78300 psi |
| Yield strength |
415 MPa |
60200 psi |
| Bulk modulus (typical for steel) |
140 GPa |
20300 ksi |
| Shear modulus (typical for steel) |
80 GPa |
11600 ksi |
| Elastic modulus |
190-210 GPa |
27557-30458 ksi |
| Poisson's ratio |
0.27-0.30 |
0.27-0.30 |
| Elongation at break |
10% |
10% |
| Reduction of area |
35% |
35% |
| Hardness, Brinell |
167 |
167 |
| Hardness, Knoop (converted from Brinell hardness) |
188 |
188 |
| Hardness, Rockwell B (converted from Brinell hardness) |
85 |
85 |
| Hardness, Vickers (converted from Brinell hardness) |
175 |
175 |
| Machinability (based on 100 machinability for AISI 1212 steel.) |
100 |
100 |
Other Designations
Other designations that are equivalent to AISI 1212 carbon steel include:
- AMS 5010D
- ASTM A108
- ASTM A29
- FED QQ-S-637 (1212)
- SAE J403
Applications
AISI 1212 carbon steel is used in screw machine operations.