Piyush steel introduces all ferrous and non-ferrous products in the market. We deal in all SS products including Stainless Steel 317L Fasteners. We are leading producer and supplier of high quality SS fasteners. We use only good quality of materials for fabrication so our offered product range meets all application needs of products. Our offered range of fasteners is fabricated under the industrial design codes and international standards. We produce these fasteners in various standards, specifications and standard and custom dimensions for specific application purposes. With our advanced manufacturing facility and equipment, we are able to produce these fasteners in the bulk quantity too.
Table Of Content
Overview of Stainless Steel 317L grade:
It is a molybdenum containing, low carbon version austenitic stainless steel grade. It has a higher amount of chromium, nickel content for higher corrosion resistance. It has increased resistance to chemical attacks such as acetic acids, formic acids, sulfuric acids, citric acids, and other harsh acids. It has a lower amount of carbon that provides excellent resistance to sensitization. After welding, it got higher creep, stress to rupture and high tensile strength even in the higher temperatures. It turns in the non-magnetic state after the annealing operation. However, it turns to magnetic after welding. These fasteners are commonly used in chemical processing environments and process equipment. It shows excellent corrosion resistance in the typical environments even that contain a wide range of organic and inorganic compounds even in the chloride containing environments. Because of the presence of lower carbon content, it becomes slightly resistive to intergranular corrosion. It has the tendency to fight with pitting corrosion.
Because of the presence of alloying elements, resistance to oxidation properties got increased. It has a lower rate of scaling property in the nominal temperatures up to 1600 to 1650 deg F.
Stainless Steel 1.4438 Fasteners can be processed from all resistance and fusion welding operations with the exception of gas welding. Moreover, it can be welded with or without filler materials. It posses great machinability thus it requires low speeds and feeds to reduce the work harden property. It relieves some ships so chip breakers are recommended for it. SS fasteners are readily fabricable with all standard type of machines.
Mainly, these fasteners are used to join the mechanical joints by protecting from separate forces such as thrust and pressure. It is also coated that prevent from different contamination fluids.
We pursue a strict quality assurance system in our production unit; under its production evaluation is done by our professionals. Our management is run under the strict norms of globally approved standards. We constantly grow the technology and equipment that is used in the manufacturing plant make us able to produce compatible products.
• strength tests performed on the fasteners are Wedge tensile strength, axial tensile test, proof load test, fatigue test, flexure test, compression test, torsion test, creep test, drop weight test,
• The material tests are the ultrasonic test, radiography, intergranular corrosion test, pitting corrosion test, macro test, positive material test, chemical analysis, flaring test, and more.
Material test certificates:
• national board approval lab (NBAL) test report
• raw material test report
• mill test report
• quality assurance plan
• heat treatment charts
• fumigation certificates
• product invoice
• specification guide
• stamping details
• welding guide
• packaging details
To protect Stainless Steel S31703 Bolts from damages while exporting we use prominent methods of packing. These are delivered in the wooden cases, wooden pallets, plywood boxes, and cartons; also it is covered by plastic sheets to make it resistive to oxidation encountered in the moist environments.
|SS 317L||1.4438||S31703||SUS 317L||X2CrNiMo18-15-4|
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.
|SS 317L||0.035 max||2.0 max||1.0 max||0.045 max||0.030 max||18.00 - 20.00||3.00 - 4.00||11.00 - 15.00||57.89 min|
|Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|7.9 g/cm3||1400 °C (2550 °F)||Psi – 75000 , MPa – 515||Psi – 30000 , MPa – 205||35 %|
The full identification of the fasteners should be continuously marked down its whole length, including :
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