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M3 Stainless Steel 304 Bolt
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Name: M3 Stainless Steel 304 Bolt
Standard: DIN933
Material: SS304
Size: M3
Lenght: 30 mm
Surface: Natural color
Standard: DIN933
Material: SS304
Size: M3
Lenght: 30 mm
Surface: Natural color
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M3 Stainless Steel 304 Bolt is manufactured strictly in accordance with DIN 933, crafted from premium SS304 austenitic stainless steel, 30 mm in length, and finished in its natural, bright state. It offers outstanding corrosion resistance together with high strength, is non-magnetic and lead-free, and is ideally suited for demanding applications such as food machinery, medical instruments, and 3D-printed structures. Precise threads ensure smooth assembly, significantly enhancing equipment reliability and extending maintenance intervals.
Corrosion resistance of this M3 Stainless Steel 304 Bolt is as follows:
1. General environments: In ordinary atmosphere, fresh water, steam, and most weakly acidic or alkaline media, the 18 % Cr–8 % Ni austenitic matrix of M3 Stainless Steel 304 Bolt rapidly forms a self-healing passive film, achieving a “good to excellent” corrosion-resistance rating. Thus, M3 Stainless Steel 304 Bolt proves highly reliable in everyday or hygienic applications such as food machinery, household appliances, and medical devices.
1. General environments: In ordinary atmosphere, fresh water, steam, and most weakly acidic or alkaline media, the 18 % Cr–8 % Ni austenitic matrix of M3 Stainless Steel 304 Bolt rapidly forms a self-healing passive film, achieving a “good to excellent” corrosion-resistance rating. Thus, M3 Stainless Steel 304 Bolt proves highly reliable in everyday or hygienic applications such as food machinery, household appliances, and medical devices.
2. Chloride-containing environments: When exposed to high chloride concentrations (seawater, salt spray, de-icing salts) or high-temperature chlorine-bearing conditions, M3 Stainless Steel 304 Bolt may suffer pitting or crevice corrosion. In such cases, switching to Mo-bearing 316/316L is recommended. If M3 Stainless Steel 304 Bolt must still be used, additional cathodic protection or surface coatings should be applied.
3. Intergranular corrosion: The supplied M3 Stainless Steel 304 Bolt is standard 304 (C ≤ 0.08 %). Prolonged service within the sensitization range of 450–800 °C can induce intergranular corrosion in weld or heat-affected zones. Where post-weld solution treatment is impractical, consider substituting 304L or lowering operating temperature to prevent degradation of M3 Stainless Steel 304 Bolt.
4. Strength versus corrosion: The room-temperature yield strength of M3 Stainless Steel 304 Bolt is approximately 205 MPa, placing it in the low-strength category. For high-stress corrosion environments such as high-pressure flange joints, evaluate whether to adopt strain-hardened 304 (B8 Cl. 2) or upgrade directly to 316/316L to guarantee long-term safety of M3 Stainless Steel 304 Bolt.
Conclusion: In normal industrial or indoor settings, M3 Stainless Steel 304 Bolt delivers stable and durable corrosion resistance. If the application involves high chloride levels, elevated temperatures, or high stresses, upgrade the material or apply supplementary protective measures to ensure the optimal service life of M3 Stainless Steel 304 Bolt.
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