GST No. 27BRDPD3660E1Z5
sales@kanaksteeleng.com 
+91 9920755510
sales@kanaksteeleng.com +91 9920755510
Suppliers and Manufacturer of SS 308 / 309 / 309H Fasteners, which may be utilized in maximum weakened natural acids at modest temp. For perfect corrosion resistance, it’s far counseled to apply filler metals of better or same alloy content. SS UNS S30800 Fasteners has an increased resistance to pitting in chloride solutions, an increased resistance to each strain corrosion and crevice cracking. Stainless Steel 308 Square Washe may be utilized in capabilities necessitating recurrent heating within the array of 427 Deg Celsius to 899 Deg Celsius. Stainless Steel 309 Coupling Nut is a tantalum / columbium (niobium) stabilized austenitic nickel-chromium alloy that become industrialized to provide a kind of metallic by using better-excellent of intergranular-corrosion resistance. Stainless Steel WNR 309H Concrete Screw is useful for hovering temp provider for the motive that of its fantastic mechanical capabilities. It is abrasion resistant in nature and makes positive in significant commercial applications.
These are widely applicable in variable pressures and temperatures. It is widely selected for marine high thermal applications. Stainless Steel WNR 1.4303 Fasteners is useful for hovering temp provider for the motive that of its fantastic mechanical capabilities. SS 308 Fasteners are excellently immune to decomposition in chloride ion surroundings as well as it is marine water decay resistant and best suited in marine applications. Stainless steel 309 is generally used in works that are performed in extremely high temperatures. Its high content of nickel and chromium makes the fasteners resistant to corrosion and super resistant to oxidization. For perfect corrosion resistance, it’s far counseled to apply filler metals of better or same alloy content. Stainless steel 309H is added large carbon quantity to obtain higher creep strength. It reduces its malleability, As mentioned above, it works well in elevated temperatures. It can also be quenched very fast. The only thing we need to take care of is that the post-annealing has to be done to restore its corrosion resistance property.
| Stainless Steel 308/309/309H Fasteners Specifications | ASTM A193, ASTM A194, ASTM F593, F594, F1554 / ASME SA193, ASME SA194, ASME SF593, F594, F1554 |
|---|---|
| SS 308/309/309H Fasteners Length | 3 mm to 200 mm |
| ASTM A193 SS 308/309/309H Fasteners size | 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 |
| SS 308/309/309H Studs, Bolts, Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard of Stainless Steel 308/309/309H Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard SS 309 Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS 309 Hex nuts |
| Form of SS 308/309/309H Fasteners | Hex, Threading, Square, Round as per Gauge Etc. |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate of SS 308/309/309H Bolting | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Head drive of SS 308/309/309H Bolts | Six-Lobe,Phillips,Phillips/Slot, Slotted etc |
| Packing of SS 308/309/309H Fasteners | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Ptfe Coated Stainless Steel 309 Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Stainless Steel 308/309/309H Fasteners finishing | Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide, |
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| SS 308 | 1.4302 | N06308 |
| SS 309 | 1.4828 | S30900 |
| SS 309H | – | S30909 |
| Element | SS 309 | SS 309H |
|---|---|---|
| Ni | 12.0 – 15.0 | 12.0 – 15.0 |
| C | 0.08 max | 0.04 – 0.10 |
| Mn | 2.0 max | 2.0 max |
| P | 0.045 max | 0.045 max |
| S | 0.030 max | 0.030 max |
| Si | 1.0 max | 1.0 max |
| Cr | 22.0 – 24.0 | 22.0 – 24.0 |
| Mo | 0.75 max |
| Physical & Mechanical Properties of SS 309/309H Fasteners | |||
| Physical Properties | Metric | English | Comments |
| Density | 8.03 g/cc | 0.29 lb/in³ | at 20°C |
| Mechanical Properties | |||
| Tensile Strength, Ultimate | 621 MPa | 90100 psi | ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature | 145 MPa | 21000 psi | 871°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature | 248 MPa | 36000 psi | 760°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature | 379 MPa | 55000 psi | 649°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature | 455 MPa | 66000 psi | 538°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature | 497 MPa | 72100 psi | 427°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature | 552 MPa | 80100 psi | 204°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature | 69 MPa | 10000 psi | 982°C; ASTM E8 |
| Tensile Strength, Yield | 290 MPa | 42100 psi | 0.2% offset ; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature | 128 MPa | 18600 psi | 871°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature | 138 MPa | 20000 psi | 760°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature | 152 MPa | 22000 psi | 649°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature | 166 MPa | 24100 psi | 538°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature | 207 MPa | 30000 psi | 427°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature | 241 MPa | 35000 psi | 204°C; ASTM E8 |
| Elongation at Break | 49 % | 49 % | ASTM E8 |
| Elongation at Break at Elevated Temperature | 35 % | 35 % | 649°C; ASTM E8 |
| Elongation at Break at Elevated Temperature | 36 % | 36 % | 538°C; ASTM E8 |
| Elongation at Break at Elevated Temperature | 40 % | 40 % | 427°C; ASTM E8 |
| Elongation at Break at Elevated Temperature | 40 % | 40 % | 760°C; ASTM E8 |
| Elongation at Break at Elevated Temperature | 46 % | 46 % | 204°C; ASTM E8 |
| Elongation at Break at Elevated Temperature | 50 % | 50 % | 871°C; ASTM E8 |
| Elongation at Break at Elevated Temperature | 65 % | 65 % | 982°C; ASTM E8 |
| Creep Strength | 24 MPa | 3480 psi | 1450°F; 1% in 10,000 hr |
| Creep Strength | 83 MPa | 12000 psi | 1100°F, 1% in 10,000 hr |
| Rupture Strength | 17 MPa | 2470 psi | 1650°F; 10,000 hr |
| Rupture Strength | 83 MPa | 12000 psi | 1250°F, 10,000 hr |
| Modulus of Elasticity | 200 GPa | 29000 ksi | |
| Shear Modulus | 77 GPa | 11200 ksi | |
| Electrical Properties | |||
| Electrical Resistivity | 7.8e-005 ohm-cm | 7.8e-005 ohm-cm | at 20°C |
| Electrical Resistivity at Elevated Temperature | 0.0001148 ohm-cm | 0.0001148 ohm-cm | at 1200°C |
| Magnetic Permeability | 1.02 | 1.02 | at 200H |
| Thermal Properties | |||
| CTE, linear 20°C | 15.6 µm/m-°C | 8.67 µin/in-°F | 20°C-100°C |
| CTE, linear 500°C | 17.6 µm/m-°C | 9.78 µin/in-°F | 20°C-500°C |
| CTE, linear 1000°C | 19.4 µm/m-°C | 10.8 µin/in-°F | 20°C-1000°C |
| Heat Capacity | 0.502 J/g-°C | 0.12 BTU/lb-°F | 0°C-100°C |
| Thermal Conductivity | 15.6 W/m-K | 108 BTU-in/hr-ft²-°F | 20°C-100°C |
| Thermal Conductivity at Elevated Temperature | 18.7 W/m-K | 130 BTU-in/hr-ft²-°F | 20°C-500°C |
