Stainless Steel A2-70 Hex Nut is a specific type of hexagonal-shaped nut made from stainless steel material that conforms to the A2-70 standard. Let's break down the key aspects of this type of nut:

Stainless Steel Material (A2):
The "A2" designation indicates the type of stainless steel used. A2 stainless steel is a common designation for 304-grade stainless steel. This type of stainless steel is known for its excellent corrosion resistance, moderate strength, and versatility. It contains 18-20% chromium and 8-10.5% nickel, which provides its corrosion-resistant properties.
A2-70 Specification:
The "A2-70" refers to the material's mechanical properties. In this case, A2-70 stainless steel has a minimum tensile strength of 700 MPa (megapascals) and a minimum yield strength of 450 MPa. The "A2" indicates the stainless steel grade (304), and the "70" specifies the minimum tensile strength in N/mm².

Stainless Steel A2-70 Hex Nut, A2-70 Stainless Steel Hex Nuts, SS A2-70 Hex Nuts, Stainless Steel A2-70 Heavy Hex Nut, A2 70 Stainless Steel Hex Nut Dimensions, SS A2-70 Hex Nuts Manufacturers in India.

Stainless Steel A2-70 Hex Nuts
  • Grade


  • ASTM


  • ASME



SS A2-70 Heavy Duty Hexagon Nuts, Stainless Steel A2-70 Hex Flange Nut, ASTM A194 A2-70 Stainless Steel Hex Nuts, Stainless Steel A2 70 Hex Coupling Nuts, Stainless Steel A2-70 Hex Jam Nuts, ASME B18.2.2 A2-70 Heavy Hex Nuts, SS A2-70 Hexagonal Nut.

Corrosion Resistance: A2-70 stainless steel offers good resistance to corrosion, especially in environments where it is exposed to moisture, mild acids, and various atmospheric conditions. It is suitable for use in outdoor or mildly corrosive settings.
Strength: A2-70 stainless steel provides decent mechanical strength, making it suitable for various applications where a balance between corrosion resistance and strength is required.
Hex Nut Shape: Hexagonal nuts (hex nuts) are designed with six flat sides, which makes them easy to tighten and loosen using a wrench or a socket. This shape provides a secure and stable fastening solution.

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fevicon-logo SS A2-70 Hex Nuts Specification

SpecificationsASTM A194 / ASME SA194
Size Cold Forming process: M2-M24
Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg
CNC Machining for M100 / 4” Dia, up to 1500mm lg
Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Stainless Steel Hex Nuts
Diameter1/4 "-4" Metric:M3 to M100
Types Heavy Hex Nuts, Large Heavy Hex Nuts, Heavy Hex Jam Nut, Heavy Hex Coupling Nut, Heavy Duty Hex Nuts
DIN Standard DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315
DimensionsASME B18.2.2 Heavy Hex Nuts, ASME B18.2.4.6M Metric Heavy Hex Nuts, ASME B18.16.6 / ASME B18.16.4 / ASME B18.2.2
ThreadsMETRIC, BSW, UNC, UNF, BSF or as required
Hex Nuts FormingHot Forged Hex Nuts & Cold Forged Hex Nuts
UTS – Unified Thread StandardUNC, UNF, NPT, UNS, UNEF, NPTF

Stainless Steel A2-70 Hex Nuts find application in various industries and settings, including:
These nuts are used in construction projects, such as building structures, bridges, and infrastructure, where they need to withstand outdoor environmental conditions.
They are used in automotive applications where corrosion resistance is essential due to exposure to road salt, moisture, and other environmental factors.
In marine applications, where exposure to saltwater and humidity is high, A2-70 stainless steel hex nuts are commonly used for fastening and securing components.
General Fastening:
These nuts can be used for general fastening purposes in machinery, equipment, and household items where corrosion resistance and moderate strength are required.
Corrosion Resistance:
The corrosion resistance of A2-70 stainless steel is a notable feature. It is resistant to rust and staining in many typical environments. However, it may not be suitable for highly corrosive environments, such as those with exposure to strong acids or chloride-rich conditions, where higher-grade stainless steels like 316 or duplex stainless steel may be more appropriate.

Quality Assurance

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fevicon-logo Chemical Composition of Stainless Steel A2-70 Hex Nuts

Steel Group Steel Grade Chemical composition
mass fraction, % (maxima unless stated))
C Si Mn P S Cr Mo Ni Cu
Austenitic A2 0.10 1 2 0.05 0.03 15 to 20 - 8 to 19 4

fevicon-logo Mechanical Properties of SS A2-70 Hex Nuts

Steel Group Steel Grade Property Class TensileStrengthRma min. Mpa Stress at 0.2 % permanent strain Rp0.2a min. Mpa Elongation after fracture Ab min. mm
Austenitic A2 50 500 210 0.6d

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fevicon-logo Types of Stainless Steel A2-70 Hex Nuts

Hex Nuts

SS A2-70 Hex Nuts

Heavy Hex Nuts

SS A2-70 Heavy Hex Nuts

Hex Weld Nuts

SS A2-70 Hex Weld Nuts

Hex Flange Nut

SS A2-70 Hex Flange Nut

Hex Coupling Nut

SS A2-70 Hex Coupling Nut

Hex Jam Nut

A2-70 SS Hex Jam Nut

Slotted Hex Nuts

SS A2-70 Slotted Hex Nuts

Hex Nylock Nuts

SS A2-70 Hex Nylock Nuts

Hex Nuts 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

fevicon-logo Other Types Of Stainless Steel A2-70 Hex Nuts

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A2-70 Stainless Steel Slotted Hex Nuts Stainless Steel A2-70 Hex Nuts Stockist in Mumbai
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SS A2 70 Hex Nuts Supplier in Mumbai A2-70 Stainless Steel Hex Nuts Manufacturer
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fevicon-logo Stainless Steel A2-70 Hex Nuts Application Industries

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