Mitchell Stainless is a well-respected manufacturer and supplier of Stainless Steel 347 Bars based in Hamilton, New Zealand. They pride themselves on delivering top-notch products that are designed to perform exceptionally well in tough industrial settings. With a strong focus on quality, their bars are recognized for outstanding heat resistance, corrosion resistance, and structural integrity. Utilizing cutting-edge manufacturing methods and rigorous quality checks, Mitchell Stainless ensures that every product meets international standards. Their Stainless Steel 347 Bars are a go-to choice for industries that demand durability and stability at high temperatures, making them a trusted partner for clients in need of reliable stainless steel solutions.
Stainless Steel 347 Bars are enhanced with niobium, which gives them remarkable resistance to intergranular corrosion and high-temperature oxidation. Typically, their composition includes chromium, nickel, carbon, and trace elements that boost strength and stability. These bars showcase impressive mechanical properties, such as high tensile strength, good creep resistance, and dependable toughness, even in elevated temperatures. The addition of niobium ensures they maintain structural integrity during welding and thermal cycling. With a well-rounded mix of durability, thermal stability, and corrosion resistance, Stainless Steel 347 Bars excel in demanding industrial conditions.
| Specifications | ASTM A276 / ASME SA276 |
| Dimensions | ASTM, ASME |
| Range | 3.17 MM TO 350 MM DIA |
| Diameter | 25mm to 152mm |
| Length | 1 to 6 Meters, Custom Cut Length |
| Finish | Bright, Polish & Black |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging |
| Condition | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
|
Grade |
Mn |
N |
P |
C |
S |
Cr |
Mo |
Si |
Ni |
Other |
|
|
347 |
min. max |
2.00 |
– |
0.045 |
– 0.08 |
0.030 |
17.0 19.0 |
– |
0.75 |
9.0 13.0 |
Nb=10(C+N) 1.0 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
347 | 515 | 205 | 40 | 92 | 201 |
Contact us to get a quick quote for your requirement.
We ensures that all stainless steel 347 frames are rigorously tested for quality and performance. Our products are tested for technical properties, corrosion resistance and durability. We assure customers of high industry standards and compliance, offering comprehensive certifications including Mill Test Certificates (MTC) and third-party inspections.
Corrosion-resistant product with high-temperature stability, available in diameters ranging from 0.5″ to 12″. Ideal for use in aerospace, chemical processing, and power generation industries where durability is essential.
This product features exceptional resistance to oxidation, available in thicknesses from 0.25″ to 6″ and widths up to 12″. Perfect for structural components and industrial applications.
Stainless Steel 347 Square Bars are Corrosion-resistant product designed for durability, offered in sizes from 0.5″ to 6″ on each side. Suitable for use in high-temperature environments and demanding industrial applications.
This Corrosion-resistant product with dimensions ranging from 0.5″ x 1″ to 6″ x 12″. Ideal for heavy-duty applications where strength and resistance to harsh conditions are required.
Stainless Steel 347 Hexagonal Bars are Corrosion-resistant product with sizes from 0.5″ to 4″ across flats. Used in aerospace and chemical industries, offering high performance in extreme environments.
Stainless Steel 347 T-Bars dimensions from 0.5″ x 0.5″ to 6″ x 6″. Suitable for structural support and applications requiring high-temperature resistance and reliability.
Stainless Steel 347 Bars find extensive use in industries that require exceptional heat resistance and long-lasting durability. They are perfect for high-temperature chemical processing equipment, refinery components, furnace parts, and heat exchangers. Their strong resistance to intergranular corrosion makes them ideal for welded equipment and high-stress environments. These bars are also commonly used in aerospace components, power generation facilities, pharmaceutical machinery, and food processing systems. Their versatility and reliability make them a preferred choice across various sectors, ensuring that they meet the rigorous demands of modern industrial applications.







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