Stainless steel 304, also known as 18/8 stainless steel due to its composition of approximately 18% chromium and 8% nickel, is the most widely used austenitic stainless steel in industrial applications worldwide. For Southeast Asian manufacturers considering hunting accessories exports through Alibaba.com, understanding the technical characteristics of 304 stainless steel is essential for accurate product positioning and buyer communication.
The chromium content forms a protective oxide layer on the steel surface, providing what manufacturers call 'stainless' properties. However, this protection has limits. According to technical data from thyssenkrupp Materials, 304 stainless steel offers excellent corrosion resistance in many environments but is susceptible to pitting and crevice corrosion in chloride-containing environments, particularly at temperatures above 60°C where stress corrosion cracking can occur [2].
Stainless Steel 304 Mechanical Properties (Annealed Condition)
| Property | Value | Testing Standard |
|---|---|---|
| Tensile Strength | 520-720 MPa (75,400-104,400 psi) | ASTM A240 |
| Yield Strength (0.2% offset) | 205 MPa (29,700 psi) minimum | ASTM A240 |
| Elongation | 45% minimum in 50mm | ASTM A240 |
| Hardness | 201 HB maximum (Brinell) | ASTM A240 |
| Density | 8.0 g/cm³ | Standard |
The mechanical properties of 304 stainless steel reveal important constraints for hunting accessories applications. With a tensile strength of 520-720 MPa and elongation of 45%, 304 is highly formable and suitable for components requiring deep drawing or complex shaping. However, these same properties mean 304 cannot be hardened by heat treatment, limiting its suitability for cutting edges that require high hardness and edge retention.
304 is the most versatile of the austenitic stainless steels. The 304/304L grades are suitable for a wide variety of applications where corrosion resistance is required, including saucepans, springs, screws, nuts, bolts, and architectural panelling. For more severe corrosion conditions, 316 grade is recommended [1].

