Selection Fastener Selection Guide: Find Your Perfect Match. Use SST’s expert tools & resources to identify ideal screws, bolts, washers for material, load & environment. Simplify specification with confidence. Selection of materials for various trades 【Military Aerospace】 TC4 A286 17-4PH 【Medical equipment】 TA1 316L 630 【Energy storage of new energy】 630 Titanium alloy Zinc-nickel alloy 【Consumer Electronics】 Beryllium copper 7075 aluminium alloy 【TC4 titanium alloy】 Characteristics: HRC32-36 | Corrosion Resistance ★★★★★ | tensile strength ≥900 mpa Applications: aerospace fasteners, deep-sea equipment Comparative Advantage: cold heading process cost is 30% lower than turning, support 1990 mm ultra-long customization Peer Pain Point: most manufacturers only support turning, high production costs 【Comparison Table of technical parameters】 Texture Grade of intensity Limit of salt fog Cold heading process Case studies TC4 Level 12.9 1000h ✅ Comac C919 capsule A286 Level 10.9 2000h ❌(Turning required) SpaceX Salt spray 48h-2000h | full scene anticorrosion technology matrix Step-by-step presentation of the project Grade Technical Solutions Time of salt spray Cost Factor Scenarios Basic protection Zinc/nickel plating 48-96h 1.0x Consumer Electronics, home appliances High strength Zinc-nickel alloy/Dacromet 240-720h 1.8x Automobile chassis, offshore wind power Extreme environments Micro-arc oxidation/QPQ 1000-2000h 3.5x Bolt and deep sea drilling platform for nuclear power plant Let the professional team escort your design Submission of requirements →10-minute top speed quotes →36 years experience in team escort production Seek immediate advice