A common characteristic shared by grades 304, 321 and 347 is that they have the same basic chemical composition. Which means their alloy including the material for 347 stainless steel round bar consisted of 18% chromium and 8% nickel. Yet, it has been noted that the properties for grade 347 and 321 are almost similar. This is on account of the addition of a stabilizing element in their alloy. For instance, the 347 stainless steel rods are stabilized by the addition of niobium to the alloy.


Equivalent Material Of ASME SA 276 1.4550 Flat Bar
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 347 | 1.4550 | S34700 | SUS 347 | – | 08Ch18N12B | – | X6CrNiNb18-10 |
Chemical Analysis Of SS 347 Hex Bar
| Grade | C | Mn | Si | P | S | Cr | Co + Ta | Ni | Fe |
| SS 347 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.03 max | 17 – 20 | 10xC min 1.00 max | 9 – 13 | 62.74 |
Yield Strength Of SUS 347 Forged Bar
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Industrial Applications Of JIS 347 Bright Bar Include:
Woven or welded screens for mining
Quarrying
Springs
Kitchen Benches, Troughs, Sinks, Equipment
Chemical Containers, For Transport
Food Processing Equipment: Beer Brewing
Food Processing Equipment: Milk Processing
Threaded fasteners
Railings & Trim
Architectural Panelling
Water Filtration
Heat Exchangers
Food Processing Equipment: Wine Making
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