Home > Stainless Steel >Stainless Steel 202 Fasteners
Stainless Steel 202 Fasteners are indispensable fixtures forged from Stainless Steel 202, a grade distinguished for its balance of corrosion resistance, affordability, and ease of fabrication. Composed primarily of chromium, nickel, and manganese, these fasteners offer commendable resistance against corrosion in mildly corrosive environments. Bolts, screws, nuts, washers, and studs custom-built from Stainless Steel 202 are favored for their cost-effectiveness and versatility, making them suitable for various applications across industries where dependable performance and cost efficiency are key considerations.
Standard | As per IS , ASTM , BS etc. |
Specification | ASTM A/ASME SA 193/194 |
Size | M02 to M33 |
Length | 3 mm to 200 mm |
Element | Type 201 |
---|---|
Carbon | 0.15x |
Manganese | 5.5 – 7.5 |
Sulfur | 0.03X |
Phosphorus | 0.060x |
Silicon | 1.0 x |
Chromium | 16 – 18 |
Nickel | 3.5 -5.5 |
Nitrogen | 0.25x |
Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation (2″ Gauge length) | Hardness Rockwell |
---|---|---|---|---|
201 Ann | 38 min. | 75 min. | 40% min. | HRB 95 max. |
201 ¼ Hard | 75 min. | 125 min. | 25.0 min. | 25 – 32 HRC (typical) |
201 ½ Hard | 110 min. | 150 min. | 18.0 min. | 32 – 37 HRC (typical) |
201 ¾ Hard | 135 min. | 175 min. | 12.0 min. | 37 – 41 HRC (typical) |
201 Full Hard | 145 min. | 185 min. | 9.0 min. | 41 – 46 HRC (typical) |
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We offer Stainless Steel 202 Fasteners as per DIN, ISO, JIS or ANSI Standard.
Due to their exceptional properties, Stainless Steel 202 Fasteners are essential components across many industrial sectors. Renowned for their corrosion resistance, they find widespread application in marine environments, enduring the rigours of saltwater exposure with longevity and reliability. In the construction industry, stainless steel fasteners play a pivotal role in structural assemblies, providing secure connections while maintaining structural integrity in outdoor and exposed settings.
Corrosion Resistance: Stainless Steel 202 provides excellent corrosion resistance in many areas but may not be suitable for high corrosion conditions. Determine the level of corrosion resistance required for your application and ensure that Stainless Steel 202 meets those requirements.
Strength and load capacity: Consider the load requirements of your application. Stainless steel 202 fasteners provide moderate strength, but if your application requires high strength or heavy loads, you may need to choose a different stainless steel grade or fastener size.
Environmental
Conditions: Check the conditions to which binders are exposed, such as temperature fluctuations, humidity, chemicals, and weather. Stainless steel 202 is suitable for many environmental applications, but extreme conditions may require different stainless steels or additional surface treatments.
Compatibility: Ensure that the stainless steel fastener 202 is compatible with the material to be assembled. For example, when fastening stainless steel parts, you can use stainless steel 202 fasteners to help prevent galvanic corrosion.
Size and Type: Select the correct size, type, and configuration of fasteners for your specific application. Depending on your project’s needs, consider factors such as thread type, length, thickness, and head type (e.g., hex head, flat head, pan head).
Yes, stainless steel 202 fasteners are typically magnetic due to the presence of iron in their composition. While stainless steels are generally non-magnetic, the addition of iron in grade 202 renders them magnetic, making them suitable for applications where magnetic properties are desired or required.
Yes, stainless steel 202 fasteners can be recycled after use. Stainless steel is highly recyclable, and the recycling process doesn’t degrade its properties. Recycled stainless steel can be melted down and reused to produce new stainless steel products, making it an environmentally sustainable choice.
Stainless steel 202 fasteners may not be suitable for cryogenic applications due to their reduced toughness and ductility at low temperatures. Grades with higher nickel content, like austenitic stainless steels (e.g., 304, 316), are typically preferred for cryogenic applications due to their better low-temperature properties.
Stainless steel 202 fasteners can be used for underground applications with proper considerations for corrosion resistance. While 202 stainless steel offers moderate corrosion resistance, it may not be suitable for highly corrosive underground environments. Evaluating soil conditions and potential exposure to moisture and chemicals is essential for long-term durability.
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