Stainless Steel Grade A4-70 Fasteners are hardware components made from a specific grade of stainless steel known as A4-70. This grade is also referred to as AISI 316 or 18/8/3 stainless steel, and it is an austenitic stainless steel with higher corrosion resistance than the A2-70 grade. The chemical composition of Stainless Steel Grade A4-70 typically includes 16-18% chromium, 10-14% nickel, 2-3% molybdenum, 1% max manganese, 1% max silicon, 0.07% max carbon, and small amounts of other elements like sulfur, phosphorus, and nitrogen.


One of the key features of Stainless Steel Grade A4-70 Fasteners is their excellent corrosion resistance. The higher molybdenum content in the alloy enhances its resistance to corrosive environments, including chloride-induced corrosion. This makes them suitable for applications in marine and coastal environments, as well as in chemical processing plants where exposure to corrosive chemicals is common.


A4-70 Stainless Steel Bolt, A4-70 Hex Bolt, A4-70 SS Bolt, A4-70 Stud Bolt, A4-70 Grade Stainless Steel Bolts, A4 70 Grade Bolts, A470 Bolt, A4-70 Stainless Steel Material Specification, SS A4-70 Fasteners Manufacturers In India.


Stainless Steel A4 70 Fasteners
  • ISO

    3506-1

  • Grade

    A4-70

  • ASTM / ASME

    ASTM A193 / ASME SA 193

  • SHARE

Stainless Steel Grade A4-70 Fasteners also offer good mechanical properties, including moderate tensile strength and excellent ductility. This combination of properties makes them easy to form, fabricate, and install, providing reliability and ease of use in various applications.


Due to their superior corrosion resistance, Stainless Steel Grade A4-70 Fasteners find extensive use in marine and offshore industries. They are commonly used in shipbuilding, offshore platforms, and seawater-cooled systems, where exposure to corrosive seawater is significant. Additionally, they are employed in chemical processing plants, desalination facilities, and other applications that require resistance to corrosive chemicals and high-temperature stability.


A4 70 Stainless Steel Strength, A4-70 Threaded Rod, A4-70 Bolt And Nut, Stainless Steel Bolt Grade A4-70, Stud Bolt A4-70, Hex Bolt A4-70, A4-70 stainless steel hex bolts, SS A4-70 Fasteners Manufacturers In India.


fevicon-logo A4-70 Bolts and Nuts Specification

SpecificationsASTM A193 / ASME SA 193
StandardDIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
Size M3 to M90
Length 10mm to 1000mm
DimensionsDIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads availableUNF, BSW, BSF, METRIC, UNC, or as required
Threads ConfigurationASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
FormHex, Threading, Square, Round as per Gauge Etc.
HeadHex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
Neck typeHex, Square, Triangular, Oval & Knurled etc.
Surface CoatingBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

Stainless steel A4-70 FASTENERS fasteners are widely used in many applications that require high durability, strength, and corrosion resistance. These materials offer a range of advantages that make them ideal for various industries, including construction, food processing, and chemical processing.


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fevicon-logo Chemical Composition of Stainless Steel A4-70 Fasteners

Grade C Si Mn P S Cr Mo Ni Cu
A4-70 0.08 1 2 0.045 0.03 16 to 18.5 2 to 3 10 to 15 4

fevicon-logo Mechanical Properties of SS A4-70 Fasteners

Grade Tensile Strength min. Mpa Stress at 0.2 % permanent strain Rp0.2a min. Mpa Elong (% in 4D min)
A4-70 700 450 0.4d

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fevicon-logo Types of Stainless Steel A4-70 Fasteners

Nut

SS 3 Nuts

Bolt

SS A4-70 Bolt

Washers

SS A4-70 Washer

Stud Bolts

SS A4-70 Stud Bolts

Hex Bolt

A4-70 SS Hex Bolt

Threaded Rod

A4-70 SS Threaded Rod

Anchor Bolt

SS A4-70 PH Anchor Bolt

Spring Washer

SS A4-70 Spring Washer


Fasteners Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools


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fevicon-logo Stainless Steel A4-70 Fastener Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
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