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At Hazlewood Fasteners in Canberra, we craft washers that combine precision, strength, and long-lasting reliability. Our stainless steel 347 washers are made from a stabilized austenitic stainless steel, designed to resist corrosion, maintain dimensional stability, and withstand elevated temperatures. These washers provide reliable load distribution, reduce fastener wear, and ensure assemblies remain secure under stress and vibration. Hazlewood Fasteners’ 347 washers are more than components—they are essential guardians of every fastening system, delivering enduring performance in automotive, industrial, and structural applications where high-temperature resistance, mechanical integrity, and dependable fastening are critical.
Stainless steel 347 washers are manufactured from a stabilized austenitic stainless steel alloy with approximately 17–19% chromium and 9–13% nickel, with added niobium to prevent carbide precipitation. This composition ensures excellent corrosion resistance, high tensile strength, and superior resistance to intergranular corrosion at elevated temperatures. 347 washers maintain mechanical integrity, dimensional stability, and wear resistance under stress, heat, and vibration. Engineered for long-term performance, they deliver reliable load distribution, reduce fastener fatigue, and provide dependable support for assemblies in demanding automotive, industrial, and high-temperature applications.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Element | SS 347 |
| Ni | 9.0 – 13.0 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| Si | 0.75 max |
| Cr | 17.0 – 19.0 |
| Mo | – |
| N | – |
| Element | SS 347 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 92 |
| Brinell (HB) max Hardness | 201 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 347 washers are widely used in high-temperature applications, including exhaust systems, heat exchangers, boilers, and furnace assemblies. They are ideal for industrial machinery, chemical processing equipment, and structural components exposed to heat, corrosion, or mechanical stress. Their stabilized austenitic composition ensures long-term reliability and dimensional stability under vibration and repeated load cycles. Hazlewood Fasteners’ 347 washers provide secure spacing, prevent fastener wear, and maintain tight, durable assemblies. Trusted in automotive, industrial, and structural projects, these washers combine corrosion resistance, high-temperature performance, and mechanical robustness, ensuring every connection remains strong, secure, and long-lasting.
We ensure that our Stainless Steel 347 washers are installed with the utmost care to preserve their quality and performance at Hazlewood Fasteners. Our packaging solutions use durable materials and safe processes to protect washers from damage during transit. Each item is carefully detailed to facilitate identification and inventory management. Whether for small or large orders, our careful packaging process assures that your stainless steel 347 washers arrive in perfect condition, ready for critical use.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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