Mar 5 2013
Topics Covered
Introduction
Chemical Composition
Mechanical Properties
Other Designations
Applications
Introduction
Stainless steel grade 429 is a ferritic steel. It is also known as AISI Type 429 chromium steel. This steel possesses good corrosion resistance, and its weldability is better than 430 steel.
The following datasheet provides an overview of stainless steel grade 429.
Chemical Composition
The chemical composition of grade 429 stainless steel is outlined in the following table.
|
Element |
Content (%) |
|
Chromium, Cr |
14-16 |
|
Silicon, Si |
1 |
|
Manganese, Mn |
1 |
|
Carbon, C |
0.12 |
|
Phosphorous, P |
0.04 |
|
Sulfur, S |
0.03 |
|
Iron, Fe |
Balance |
Mechanical Properties
The mechanical properties of grade 429 stainless steel are displayed in the following table.
|
Properties |
Metric |
Imperial |
|
Tensile strength (annealed) |
490 MPa |
71068 psi |
|
Yield strength (annealed/ @strain 0.200 %) |
310 MPa |
44961psi |
|
Modulus of elasticity |
200 GPa |
29007 ksi |
|
Poisson’s ratio |
0.27-0.30 |
0.27-0.30 |
|
Elongation at break (In 2", 50% cold worked) |
30% |
30% |
|
Hardness, Rockwell B (annealed) |
88 |
88 |
Other Designations
Equivalent materials to grade 429 stainless steel are ASTM A176 and SAE 51429.
Applications
Grade 429 stainless steel is applied in construction of internal decoration and household gadgets.