Piyush Steel no doubt is a leading industry that is worldwide involved in dealing as a reliable manufacturer, supplier, and exporter. Stainless Steel 310 Fasteners are designed according to the national and international standard quality of raw materials thus making it a perfect choice for various applications. As in-service temperature level rises, SS 310 fasteners importance gets increases. Here chromium content is contributing resistance to heat ability.
This grade fastener referred to as UNS S31000, are provided to our buyers at different standards, dimensions, length, washer size, types, etc. It is too provided to the buyers at custom-made specifications the same according to the type of requirements details provided by our buyers.
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To manufacture the superior quality of Stainless Steel S31000 Fasteners we are making effective use of high quality of alloy that is collected from reliable market mills. The manufacturing of the same at our industry is implemented under the tight supervision of experts that we have hired in addition to proper utilization of available modern machinery and latest technology. The development of these fasteners is done according to the product development guidelines and of course raw material quality standards. To check the quality of the product at various levels of product stages the quality controller team is there that does it by considering product quality parameters.
Alloy 310 is the austenitic stainless steel that is created for use in the severe temperature corrosion resistance applications. This alloy is resisting oxidation to 1100 Deg C under the mildly cyclic conditions. Due to the content of high chromium and moderate nickel content, this alloy is resisting sulfidation and can be used at the moderately carburizing atmosphere.
The greatly carburizing atmosphere of the thermal process equipment needs nickel alloy like 330. Alloy 310 can be easily used at the nitriding, oxidizing, and cementing, thermal cycling applications. Also, this alloy has found its usage at the cryogenic application with the low magnetic permeability and toughness down to temperature -268 Deg C. When it is heated in between temperature 650-950 Deg C the alloy becomes subjected to sigma phase precipitation. Annealing treatment at temperature of 1100 to 1150 Deg C will restore toughness degree.
Due to the effective use of high quality of alloy at the time of Stainless Steel 310 fasteners manufacturing the product automatically get the good attributes to offer. This has led to the increase in the usability of the same in many industrial applications all across the globe. The properties found here is like-
• High hardness
• Good tensile strength
• Good mechanical strength
• Holds high temperature
• Withstand heavy loads
• Rust free
• Corrosion resistance
• Long-lastingness
• Rugged construction
There at our manufacturing unit with the help of best quality checker we are performing several testing on each and every manufactured range of Stainless Steel 310 fasteners. The tests are done with the clear aim of checking the quality of fasteners. Tests done are including-
• Hardness test
• Mechanical-chemical test
• Macro-micro test
• Pitting resistance test
• Positive material identification test (PMI)
• Intergranular corrosion test (IGC)
• Flaring-flattening test
Along with the product that we have manufactured, we are also attaching the copy of essential certifications and documentation and providing those to the buyers. The certifications and documents that we provide are helpful to us in clearing the doubts regarding the quality of fasteners and proving its usability, reliability factor. Here is a list of those TC and documents we provide-
• Quality assurance plan
• MTC as per EN 10204/3.1b
• Radiography test report
• Packaging list
• Guarantee letter
• Raw material certificate
• Heat treatment chart
• NABL approved lab test report
• Commercial invoice
Stainless Steel 1.4841 Bolts are offered with good tolerance limit and treated surfaces.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | EN |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | X15CrNi25-20 |
Specification : ASTM F593, F594, F1554 / ASME SF593, F594, F1554
Standard : DIN, ASTM, BS and all International Standards
Bolt / Screw Size : M3 - M56 | 3/6" to 2" | Custom Sizes
Nuts Size : M3 - M56 | 3/6" to 2" | Custom Sizes
Washers Size : M3 - M56 | 3/6" to 2" | Custom Sizes
Machine Screws Size : M1.6 - M12
Self Tapping Screw Size : No.2 - No. 14
Length : 3 mm to 200 mm
Types : Nuts, Bolts, Screws, Stud Bolts, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 - 26.00 | 0.10 max | 19.00 - 21.00 | 54.7 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
The full identification of the fasteners should be continuously marked down its whole length, including :

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Bolts, Nuts, Stud Bolts, Washers With Mill And Third Party Test Certificate.
Stainless Steel 310 Fasteners Price List
Request the latest Stainless Steel 310 Industrial Fasteners Price List. Please Call +91 22 23867540 or Send an Email to [email protected] for Stainless Steel UNS S31000, 1.4841, SUS 310 Fasteners Ready stock information and updated price list.