A4-80 Stainless Steel Bolts – High-Strength Fasteners for Industrial Applications > Your story

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A4-80 stainless steel boltsare premium-grade fasteners designed for industries requiring superior strength, corrosion resistance, and durability. These bolts are widely utilized in marine, construction, and chemical processing industries, where they must withstand harsh environmental conditions.

 

 A4-80 stainless steel bolts derive their classification from two components:

 

 A4 indicates that the bolt is made from the SS 316 family, austenitic stainless steel known for its exceptional corrosion resistance. 80 denotes a minimum tensile strength of 800 MPa, ensuring robustness and reliability. 

 

 Bigboltnut fasteners adhere to ISO 3506-1 standards, guaranteeing top-tier performance across industrial sectors that demand high-strength fastening solutions. Material Composition and Chemical Properties 

 The composition of A4-80 stainless steel bolts enhances their resilience against rust, acids, and chloride-rich environments, making them ideal for use in marine and chemical processing applications. Key Chemical Elements:

 

  • Chromium (16-18%) – Enhances corrosion resistance. 

Nickel (10-14%) – Increases mechanical stability. 

• Molybdenum (2-3%) – Prevents pitting and crevice corrosion. 

• Carbon (≤ 0.08%) – Balances strength while reducing brittleness. 

 

 Mechanical Properties and Strength of A4-80 Bolts

 

 A4-80 bolts are engineered to deliver high tensile and yield strength, making them suitable for heavy-duty applications requiring optimal fastening reliability.

 

 • Mechanical Characteristics: • Tensile Strength: Minimum 800 MPa 

• Yield Strength: Approximately 600 MPa

 • Hardness: 200-320 HB Standard Bolt Dimensions: 

• Diameter Range: M6 to M36

 • Length Range: 10 mm to 500 mm 

• Thread Types: Coarse and fine threads.

 

  Why Choose A4-80 Stainless Steel Bolts- Bigboltnut? 

• Superior corrosion resistance for marine and chemical applications. 

• High tensile and yield strength for heavy-load performance.

 • ISO 3506-1 compliance, ensuring quality and reliability. 

• Available in multiple sizes to suit diverse industrial needs. 

 

 For top-quality A4-80 stainless steel bolts, trust a reliable manufacturer that delivers performance, durability, and compliance with global standards. Contact us today for your fastening solutions!