A4-70 HEX BOLT

China Professional manufacturer of PTFE Xylan Coated HEX BOLT SS316 A4-70 ISO4017 An A4 hex bolt also known as SS316 Hex bolt, refers to a hexagonal-headed bolt made from A4-grade stainless steel, which is highly resistant to corrosion, especially in marine and chemical environments Material: A4 stainless steel is equivalent to 316 stainless steel, containing molybdenum for enhanced corrosion resistance. A4 Hex bolts as per ISO 3506, with strength grades as below A4-70: Standard tensile strength of 700 MPa. A4-80: Higher tensile strength of 800 MPa. A4 SS316 Hex Bolt composition: ElementPercentagePurposeChromium (Cr)16.0–18.0%Provides corrosion resistance by forming a passive oxide [...]

Specifications of DIN 931 A4-70 Hex Bolt Standard: DIN 931 (German Standard for Hexagon Head Bolts) Material: A4 (Stainless Steel 316) Tensile Strength: 700 MPa (70 N/mm²) Head Type: Hexagonal Thread Type: Metric (ISO) Finish: Typically available in a natural, passivated finish for stainless steel or with PTFE coatings.