Hardness testing to ISO 6508-1
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.
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.
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.
|Specifications||ASTM 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
|Hex Nut Sizes Metric||Dia: M10 – M110 / Length: 12 – 1200MM|
|Hex Nuts Size Inch||Dia: 1/2″ – 4.0″ / Length: 1/2″ – 52″|
|Length||3 to 200 mm|
|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|
|Dimensions||ASME B18.2.2 Heavy Hex Nuts, ASME B18.104.22.168M Metric Heavy Hex Nuts, ASME B18.16.6 / ASME B18.16.4 / ASME B18.2.2|
|Threads||METRIC, BSW, UNC, UNF, BSF or as required|
|Hex Nuts Forming||Hot Forged Hex Nuts & Cold Forged Hex Nuts|
|UTS – Unified Thread Standard||UNC, 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.
These nuts can be used for general fastening purposes in machinery, equipment, and household items where corrosion resistance and moderate strength are required.
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.
To preserve the high standards of our selection of industrial hex nuts, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of hex nuts.
|Steel Group||Steel Grade||Chemical composition|
|mass fraction, % (maxima unless stated))|
|Austenitic||A2||0.10||1||2||0.05||0.03||15 to 20||-||8 to 19||4|
|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|
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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