Stainless Steel 347 Bars are high-performance austenitic stainless steel products stabilized with columbium to resist intergranular corrosion. The bars have superior creep strength and are best suited for use at elevated temperatures. Caliper Overseas is a trusted Stainless Steel 347 Bars manufacturer and supplier in India offering high-quality SS 347 bars that comply with international standards like EN, DIN, JIS, ASTM, BS, ASME and AISI.
Our bars provide a minimum tensile strength of 75 ksi (515 MPa), yield strength of 30 ksi (205 MPa), and 40% elongation. Having a maximum hardness of 201 Brinell and 95 on the Rockwell B scale, they are well suited for application in heat exchangers, chemical processing and aircraft exhaust systems. Ideal for their superior mechanical properties and oxidation resistance, Stainless Steel 347 Bars are an ideal selection for harsh conditions. Contact us today to get quality stainless steel bars tailored to your needs!
Table Of Content
About Stainless Steel 347 Bars
Stainless Steel 347H Bars Specification
Stock Availability of SS 347 Bars & Rods
Equivalent Grades Of Stainless Steel 347 / 347H Bars
Processing Of Stainless Steel 347H Bars
Chemical Composition of SS 347H Round Bar
Mechanical Properties of SS 347 Rods
Stainless Steel 347 Bars & Rods Ready Stock

| SS 347 Bar Standard | ASTM A276 / A479, ASME SA276 / A479 |
|---|---|
| Stainless Steel 347 Bar Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Stainless Steel 347 Round bar size | Diameter: 3-~800mm |
| Stainless Steel 347H Hex Bar size | 2-100mm A/F |
| SS 347 Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Stainless Steel 347H Square bar size | 4 to 100mm |
| SS 347 Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| SS 347H Rectangular Bars Section | 3.0 to 12.0mm thickness |
| ASTM A276 Type 347 Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| SS 347H Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Stainless Steel 347 Rectangular Size | 33 x 30mm to 295 x 1066mm |
| 347H SS Hex Bars Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| ASTM A276 SS Type 347 Hollow Bar Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| SUS 347 / 347H T-Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Rolled Stainless Steel 347 / 347H Flat Bars Condition | Hardened & tempered, annealed |
| ASTM A276 Type 347 / 347H Cold Rolled Bar Technique | 347 Stainless Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| 347 / 347H Stainless Steel Rounds Bar Form | Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| STANDARD | UNS | WNR. | JIS | EN |
|---|---|---|---|---|
| SS 347 | S34700 | 1.4550 | SUS 347 | X6CrNiNb18-10 |
| SS 347H | S34709 | 1.4961 | SUS 347H | X6CrNiNb18-12 |
|
Bars Cutting |
Products cut include Round bars, flat bars, hex bars, square bars, tubing and hollow bars, Pipe, angles, channels, beams and tees. Thickness range is 1/16″ to 28″ diameter |
|
Bars Production Cutting |
We can provide production cutting for product diameters up to 4″. We utilize production equipment to achieve these precision cuts with tight tolerances. |
|
Bars Polishing |
Products polished included all tubular products, with OD & ID polishing available, round bars, square bars, hex & flat bars, angles, uneven leg angles, beams, and other shapes. |
| C | Cr | Mn | Ni | P | S | Si | Cb/Ta | |
|---|---|---|---|---|---|---|---|---|
| 347 | 0.08 max |
min: 17.0 max: 20.0 |
2.0 max |
min: 9.0 max: 13.0 |
0.04 max |
0.30 max |
0.75 max |
min:10x C max: 1.0 |
| 347H |
min: 0.04 max: 0.10 |
min: 17.0 max: 20.0 |
2.0 max | min: 9.0 max: 13.0 |
0.03 max | 0.30 max |
0.75 max |
min:10x C max: 1.0 |
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 347/347H |
75 (515) |
30 (205) |
40 | 201 | 95 |
SS 347 Bars in Shaft Making
SS 347 Bars in Automobiles
SS 347 Bars in Electric Motors & Pumps
SS 347 Bars in Railways
SS 347 Bars in Mining
SS 347 Bars in Miscellaneous Fabrication
Your #1 Source for Stainless Steel 347 Bars
Stainless Steel 347 Bars & Rods Stock Availability
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