AISI 4340 and 4140 Low Alloy Steel Powder
AISI 4340 is a heat treatable medium-carbon, low-alloy steel alloyed with nickel, chromium and molybdenum, comparable with no-nickel added 4140. Both are suitable for heat treatment by quench and tempering to achieve high hardness and toughness. They are designed for additive manufacturing and metal injection moulding.
| CHEMICAL COMPOSITION (wt%) | |||||||
| Item | Fe | C | Cr | Ni | Mo | Si | Mn |
| 4140 | Bal | 0.38-0.43 | 0.8-1.1 | / | 0.15-0.25 | 0.15-0.35 | 0.75-1.0 |
| 4340 | Bal | 0.38-0.43 | 0.7-0.9 | 1.65-2.0 | 0.2-0.3 | 0.15-0.35 | 0.6-0.8 |
Particle Size Distribution (PSD): 0-25, 15-45, 15-53, 45-105, 45-150um or sieved as required
Shape: Spherical
Type: Inert Gas atomized powder (IGA) or Plasma rotating electrode powder (PREP)
Powder packing: A wide range of packaging options is available. 5kg, 10kg, 25kg or as required with plastic bottle/can. All packaging materials are suitable for air, sea and road freight.
Application: 3D printing (AM), brazing and other processes.
Our powders are supplied with a certificate of analysis containing chemical composition, particle size distribution, and other information, such as SEM morphology, flow characteristics and apparent density, also is available upon request.
Portuguese 
English 
Spanish 
Arabic 
