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Stainless Steel A4-70 Lifting Eye Nuts
The Stainless Steel A4-70 Lifting Eye Nut, as per DIN 582, is a specific type of fastener designed for lifting and rigging applications. Here are some key features and information about this product:
Material: The A4-70 designation indicates that the nut is made from stainless steel of grade A4, which is equivalent to 316 stainless steel. This grade of stainless steel is known for its excellent corrosion resistance, making it suitable for use in various environments, including marine and highly corrosive industrial settings.
Stainless Steel A4-70 Lifting Eye Nut, SS A4-70 Lifting Eye Nut, A4-70 Lifting Eye Nut, DIN 582 A4-70 Lifting Eye Nut, A4-70 Cold Worked Lifting Eye Nut, 316 / A4 Stainless Steel Lifting Eye Nuts, A4 - 70 316 Stainless Steel Lifting Eye Nuts Manufacturers in India.
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UNS
S31600
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WNR
1.4401
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ASTM / ASME
ASTM A 193 / SA 193
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Strength: The "A4-70" designation also specifies the mechanical properties of the nut. The "A4" denotes the stainless steel grade, and the "70" indicates the minimum tensile strength in megapascals (MPa). In this case, A4-70 means that the nut has a minimum tensile strength of 700 MPa. This high strength makes it suitable for lifting and rigging applications.
Design: The DIN 582 standard defines the design and dimensions of the lifting eye nut. It typically has a threaded portion to secure it to a load-bearing structure or component and a loop or eyelet at the top for attaching lifting hooks, cables, or other hardware.
Corrosion Resistance: The primary advantage of using stainless steel A4-70 is its exceptional corrosion resistance. It can withstand exposure to moisture, chemicals, and saltwater without corroding or rusting. This property is crucial for applications in harsh or outdoor environments.
SS A4-70 Lifting Eye Nuts Specification
| Specifications | ASTM A 193 / ASME SA 193 |
| Nut Sizes | M3 - M56 | 3/6" to 2" | Custom Sizes |
| Standard | ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards |
| DIN Standard | DIN 582 |
| Threads | METRIC, BSW, UNC, UNF, BSF or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
| ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
Machining: Stainless steel can be more challenging to machine compared to some other materials due to its hardness and toughness. However, A4-70 stainless steel is relatively machinable when using appropriate cutting tools and techniques. Precision machining may be required to meet the strict tolerances specified in the DIN 582 standard.
Applications: The A4-70 Lifting Eye Nut is commonly used in a variety of lifting and rigging applications, including:
• Marine Industry: Due to its corrosion resistance, it is frequently used on boats and ships for lifting and securing equipment.
• Construction: In construction and building projects, these eye nuts are used for hoisting heavy materials or equipment.
• Industrial Machinery: They are utilized in industrial settings for lifting heavy machinery or components.
• Material Handling: In warehouses and manufacturing facilities, they can be used for lifting and transporting heavy loads.
• Rigging: In theatrical or entertainment industries, these eye nuts may be used to support lighting and sound equipment.
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Chemical Composition of A4-70 Lifting Eye Nuts
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni | Cu | N | |
| A4-70 | Min | – | – | – | – | – | 16.0 | 2.0 | 10.5 | – | – |
| ISO | Max | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 18.5 | 3.0 | 14.0 | 1.0 | – |
| A4-70 | Min | – | – | – | – | – | 16.0 | 2.0 | 11.5 | – | 0.12 |
| ISO² | Max | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 18.5 | 3.0 | 14.0 | 1.0 | 0.22 |
| 316 | Min | – | – | – | 0 | – | 16.0 | 2.00 | 10.0 | – | |
| Max | 0.08 | 0.75 | 2.0 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | ||
| 316L | Min | – | – | – | – | – | 16.0 | 2.00 | 10.0 | – | |
| Max | 0.03 | 0.75 | 2.0 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | ||
| 316H | Min | 0.04 | 0 | 0.04 | – | – | 16.0 | 2.00 | 10.0 | – | |
| Max | 0.10 | 0.75 | 0.10 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | – |
Mechanical Properties of SS A4-70 Lifting Eye Nut
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min |
Elong (% in 50mm) min |
Hardness Rockwell B (HR B) max |
Brinell (HB) max |
| A4-70 | 700 | 450 | 40 | Not required | Not required |
| 316 | 515 | 205 | 40 | 95 | 217 |
| 316L | 485 | 170 | 40 | 95 | 217 |
| 316H | 515 | 205 | 40 | 95 | 217 |
A4-70 Lifting Eye Nut Physical Properties
| Grade | Density (kg/m³) |
Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100 °C (J/kg.K) |
Elec Resistivity (nΩ.m) | |||||
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| 316/L/H | 8000 | 193 |
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500 | 740 |
Types of Grade A4-70 Lifting Eye Nuts
SS A4-70 Round Lifting Eye Nut
A4-70 Polished Lifting Eye Nut
A4-70 Ring Shape Lifting Eye Nut
A4-70 Galvanized Lifting Eye Nut
A4-70 Lifting Eye Nuts Manufacturers In India
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Nut proof load testing to ISO 898-2
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Suitability for preloading to EN 14399-2
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Calibrated gauges and tools
Other Types Of 316 / A4-70 Lifting Eye Nuts
| SS A4-70 Round Lifting Eye Nuts Supplier in India | A4-70 Lifting Eye Nuts Price List |
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| A4-70 SS Lifting Eye Nuts Manufacturer in India | M12 A4-70 Female Threaded Lifting Eye Nut |
| SS A4-70 Lifting Eye Nut Suppliers in India | A4-70 Lifting Eye Nuts Manufacturer in India |
| A4-70 SS Lifting Eye Nut Manufacturers in Mumbai | M20 Stainless Steel A4-70 Lifting Eye Nut |
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| Stainless Steel A4-70 Threaded Lifting Eye Nut | Grade A4-70 Lifting Eye Nuts |
| Stainless Steel 1.4401 Lifting Eye Nuts | Stainless Steel A4-70 Lifting Eye Nuts |
| UNS S31600 Imperial Lifting Eye Nuts | SS A4-70 Lifting Eye Nut Manufacturer in Mumbai |
| Cast Stainless Steel A4-70 Lifting Eye Nuts | M8 SS A4-70 Metric Lifting Eye Nut |
| A4-70 SS Lifting Eye Nut Supplier in India | A4-70 Round Loop Circle Lifting Eye Nut |
Stainless Steel A4-70 Lifting Eye Nuts Application Industries
