Chanchai Stainless supplies Stainless Steel 347 Bars in Bangkok, Thailand. These bars are known for their excellent resistance to intergranular corrosion and oxidation. Stabilized with niobium, grade 347 is ideal for high-temperature applications where resistance to carbide precipitation is essential. They offer durability, toughness, and good weldability, making them popular in the chemical, refinery, and power generation industries. Stainless Steel 347 Bars maintain their strength and creep resistance under thermal stress, ensuring a reliable service life. Chanchai Stainless guarantees precision and quality, delivering 347 bars that comply with global standards for industrial and engineering uses.
Stainless Steel 347 bars consist of chromium (17–19%), nickel (9–13%), niobium/tantalum stabilizers, and low carbon (<0.08%). They have a tensile strength of 515 MPa, yield strength of about 205 MPa, and elongation of 40%. Niobium stabilizes the structure against intergranular corrosion, which allows for better weldability and thermal stability. These bars resist oxidation up to 870°C and provide creep resistance when under prolonged stress. Stainless Steel 347 balances corrosion protection and high-temperature performance.
| 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 applications in refinery piping, heat exchangers, and boiler tubes because of their corrosion resistance. They are also used in aerospace and automotive exhaust systems that face high temperatures. The food, chemical, and pharmaceutical industries use them in process equipment where weldability is vital. Their durability makes them suitable for power plants, pressure vessels, and furnace parts. Stainless Steel 347 bars guarantee secure performance in industries needing oxidation resistance, toughness, and weldability at elevated temperatures.
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