Nevio Steel India is a trusted supplier and exporter of Stainless Steel 17-4PH Round Bars, widely recognized for their outstanding mechanical properties, excellent corrosion resistance, and long-lasting performance across demanding industries. These round bars are manufactured as per the universal standard ASTM A564 Grade 630 and identified with the UNS S17400 designation, making them one of the most versatile and reliable stainless steel grades in use today. With their precipitation hardening qualities, 17-4PH stainless steel bars offer a unique combination of high tensile strength, toughness, and hardness, making them suitable for critical engineering and structural applications.
The 17-4PH stainless steel round bars supplied by Nevio Steel India are highly valued in aerospace, petrochemical, marine, and nuclear industries due to their ability to withstand extreme environments and maintain stability even under high stress. These bars deliver remarkable corrosion resistance in atmospheric conditions, chemical exposure, and freshwater environments. The superior hardness and yield strength of Stainless Steel UNS S17400 Round Bars make them an ideal choice for the manufacturing of valves, shafts, gears, fasteners, and pump components. Their machinability and weldability further enhance their demand in diverse industrial projects.
Manufactured in compliance with international quality standards, ASTM A564 17-4PH Round Bars undergo strict quality inspection to ensure consistent performance, precise dimensions, and excellent surface finish. Nevio Steel India offers these bars in various sizes, thicknesses, and custom specifications, meeting the specific requirements of clients worldwide. With high mechanical strength and toughness up to 600°F (316°C), Grade 630 Round Bars are perfectly engineered for aerospace structural parts, offshore platforms, turbines, and nuclear reactor components.
Choosing Stainless Steel 17-4PH Round Bars from Nevio Steel India guarantees reliability, superior material quality, and competitive pricing. As a global supplier, we ensure prompt delivery and customer-focused services to industries across multiple sectors. Whether for heavy engineering, defense, petrochemical processing, or marine applications, our round bars deliver unmatched durability and efficiency. The precipitation hardening stainless steel ensures both corrosion resistance and high strength, giving our clients an edge in producing long-lasting equipment and infrastructure.
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
|---|---|
| Standard : | ASTM / ASME SA A582, A276, A564, ASTM A484 |
| Material Grade : | Stainless Steel 17-4PH (UNS S17400) |
| Stainless Steel 17-4PH Round Bars : | Outside Diameter in the range of 4mm to 500mm |
| Stainless Steel 17-4PH Bright Bars : | Outside Diameter in the range of 4mm to 100mm |
| Stainless Steel 17-4PH Hex Bars : | 18mm – 57mm (11/16″ to 2-3/4″) |
| Stainless Steel 17-4PH Square Bars : | 18mm – 47mm (11/16″ to 1-3/4″) |
| Stainless Steel 17-4PH Flats : | 1/2” to 10” in thickness range of 2mm to 150mm, Custom Size Stainless Steel Flats available |
| Length : | 1 to 6 Meters, Custom Cut Lengths |
| Form : | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | JIS | GOST | BS | EN |
|---|---|---|---|---|---|---|---|
| SS 17-4PH | 1.4542 | S17400 | Z6CNU17-04 | SUS 630 | - | - | X5CrNiCuNb16.4 |
| 17-4PH | C | Cb+Ta | Cr | Cu | Fe | Mn | Mo | Ni | P | S | Si |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Max | .07 | .45 | 17.5 | 4.0 | Bal | 1.0 | .05 | 5.0 | .07 | .03 | 1.0 |
| Min | - | 5xC | 15.0 | 3.0 | - | - | - | 3.0 | - | - | - |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min | Hardness |
|---|---|---|---|---|
| 17-4 PH | 552 | 25 | 379 | 262 |
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