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Comparison of advantages of three commonly used stainless steel materials for metal 3D printing

2024-01-15 14:21

At present, there are three main types of stainless steel materials used for metal 3D printing: austenitic stainless steel 316L, martensitic stainless steel 15-5PH, and martensitic stainless steel 17-4PH.

Austenitic stainless steel 316L has high strength and corrosion resistance, and can be lowered to low temperatures over a wide temperature range. It can be used in various engineering applications such as aerospace and petrochemicals, as well as in food processing and medical fields.

Martensitic stainless steel 15-5PH, also known as martensitic aging (precipitation hardening) stainless steel, has high strength, good toughness, corrosion resistance, and can further harden, making it ferritic free. At present, it is widely used in aerospace, petrochemical, chemical, food processing, papermaking, and metal processing industries.

Martensitic stainless steel 17-4PH still has high strength and toughness at temperatures as high as 315 ℃, and has excellent corrosion resistance. It can exhibit excellent ductility with laser processing.