15-5PH, 17-4PH SS Round Bars in Black, Bright, Ground, Polished, and Cold Finished Conditions – Available in Custom Sizes and Shapes.
MSTAR ENTERPRISES, along with other ISO 9001:2015-certified companies, manufactures and supplies high-quality 15-5PH and 17-4PH round bars, ensuring precision and customization. Available in diameters from 3 mm to 300 mm and lengths up to 6 meters, the bars are offered in forms such as round, square, hexagonal, or flat, with finishes like bright, black, or polished. They comply with international standards including ASTM A564, ASME SA564, AMS 5659 for 15-5PH, and AMS 5643 for 17-4PH, meeting stringent industrial demands with reliability.
Technical properties highlight the excellence of these precipitation-hardening martensitic stainless steels. 15-5PH (UNS S15500), with 14.0–15.5% chromium and 3.5–5.5% nickel, features a refined microstructure, enhancing transverse toughness and weldability. 17-4PH (UNS S17400), containing 15.0–17.5% chromium and 3.0–5.0% copper, offers high strength and corrosion resistance akin to 304 stainless steel. Both alloys support heat treatments like H900 for peak hardness or H1150 for improved toughness, achieving tensile strengths up to 1310 MPa. 15-5PH is more forgeable, while 17-4PH excels in high-stress conditions up to 300°C, outperforming 400-series steels in machinability and corrosion resistance.
Applications span critical industries due to their durability. In aerospace, they form turbine blades and landing gear; in oil and gas, pump shafts and valves; and in medical, surgical instruments and implants. Nuclear plants use them for waste casks, while marine applications include propeller shafts. Automotive, chemical processing, and pulp and paper sectors benefit from their wear resistance. 15-5PH suits intricate fittings due to its toughness, whereas 17-4PH supports heavy components. Both perform in high-pressure, chloride-rich, or acidic environments, making them vital for structural and architectural projects.
Benefits include exceptional strength-to-weight ratios and corrosion resistance, rivaling austenitic steels. 15-5PH provides better ductility and forgeability, minimizing cracks, while 17-4PH delivers superior hardness for demanding loads. Their weldability, machinability, and customizable sizes ensure flexibility. Cost-effective compared to specialty alloys, they reduce maintenance in harsh conditions. From precision engineering in aerospace to durable infrastructure in construction, these round bars, supplied by firms like MSTAR ENTERPRISES, offer reliable, long-lasting performance across diverse applications.
Get 15-5PH, 17-4PH Stainless Steel Round Bars – PED Certified Stockist, Size Range 3mm–600mm, ASTM A564 Compliant, Lowest Rates Guaranteed.
15-5PH, 17-4PH Round Bars Specifications
| Grade | 15-5PH, 17-4PH |
|---|---|
| Square bar size | 4 to 100mm |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Hot Rolled Steel Hex Bar size | 2-100mm A/F |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Hot Rolled Steel Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Section | 3.0 to 12.0mm thickness |
| Hot Rolled Steel Round bar size | Diameter: 3-~800mm |
| Billet Size | 1/2″ to 495mm Diameter |
| Round Bar Standard Dimensions | Diameter / Height: Sizes : 0.5 inches / 0.625 inches / 0.75 inches / 0.875 inches / 1.0 inches / 1.125 inches / 1.25 inches / 1.375 inches / 1.5 inches / 1.75 inches / 2.0 inches / 2.25 inches / 2.5 inches / 2.75 inches / 3.0 inches / 3.25 inches / 3.5 inches / 3.75 inches / 4.0 inches / 4.25 inches / 4.5 inches / 5.0 inches / 5.25 inches / 5.5 inches / 6.0 inches / 7.0 inches / 8.0 inches / 9.0 inches. |
| Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Hot Rolled Steel Technique | Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Condition | Hardened & tempered, annealed |
| 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 |
| Form | Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square Bar, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Processing | Bar cutting to 650mm |
Types of Stainless Steel 17-4PH Round Bars
Hot Rolled Round Bars
Manufactured by hot rolling, offering excellent strength and durability.
Cold Drawn Round Bars
Precision-made with a smooth surface finish, ideal for machining.
Peeled & Polished Round Bars
Enhanced surface finish with high dimensional accuracy
Centerless Ground Round Bars
Extremely precise tolerance with a fine, smooth surface.
Forged Round Bars
High-strength bars for heavy-duty industrial applications.
Bright Round Bars
High-quality, smooth surface bars used in precision applications.
Black Round Bars
Raw, unfinished bars used in industrial applications requiring further processing.
Equivalent of SS 15-5PH, 17-4PH Round Bars
| Grade | UNS | WNR |
|---|---|---|
| SS 15-5PH | S15500 | 1.4545 |
| SS 17-4PH | S17400 | 1.4542 |
Chemical Composition of SS 15-5PH Round Bars
| Grade | C | P | Si | Ni | Al | Fe | Mn | S | Cr | Cb+Ta | Cu |
| SS 15-5 PH | 0.07 | 0.04 | 1.0 | 3.5 – 5.5 | – | Bal | 1.0 | 0.03 | 14.0 – 15.5 | 0.15 – 0.45 | – |
| SS 17-4 PH | 0.07 | 0.04 | 1.0 max | 3.0 – 5.0 | – | Bal | 1.0 max | 0.03 | 15.0 – 17.5 | 5 X C / 0.45 | 3.0 – 5.0 |
Mechanical Properties of SS 17-4PH Round Bars
| Condition | Ultimate Tensile Strength (PSI) |
0.2% Yield Strength (PSI) |
Elongation (% in 2in.) |
Reduction Of Area (%) |
Hardness Brinell |
Hardness Rockwell |
|---|---|---|---|---|---|---|
| H900 | 190,000 | 170,000 | 10 | 40 | 388 | C40 |
| H1025 | 155,000 | 145,000 | 12 | 45 | 331 | C35 |
| H1075 | 145,000 | 125,000 | 13 | 45 | 311 | C32 |
| H1150 | 135,000 | 105,000 | 16 | 50 | 277 | C28 |
| H1150-M | 115,000 | 75,000 | 18 | 55 | 255 | C24 |
| H1150-D | 125,000 | 105,000 | 16 | 50 | 255 min- 311 max |
C24-33 |
Sizes Chart of Stainless Steel 15-5PH, 17-4PH Round Bars
| Size (mm) | Weight (kg/m) | Size (mm) | Weight (kg/m) | Size (mm) | Weight (kg/m) |
|---|---|---|---|---|---|
| 7 x 7 | 0.337 | 19 x 19 | 2.479 | 38 x 38 | 9.916 |
| 8 x 8 | 0.44 | 20 x 20 | 2.747 | 40 x 40 | 10.988 |
| 9 x 9 | 0.556 | 21 x 21 | 3.029 | 42 x 42 | 12.114 |
| 10 x 10 | 0.687 | 22 x 22 | 3.324 | 45 x 45 | 13.906 |
| 11 x 11 | 0.831 | 24 x 24 | 3.956 | 48 x 48 | 15.822 |
| 12 x 12 | 0.989 | 25 x 25 | 4.292 | 50 x 50 | 17.168 |
| 13 x 13 | 1.161 | 26 x 26 | 4.642 | 53 x 53 | 19.29 |
| 14 x 14 | 1.346 | 28 x 28 | 5.384 | 55 x 55 | 20.774 |
| 15 x 15 | 1.545 | 30 x 30 | 6.181 | 60 x 60 | 24.723 |
| 16 x 16 | 1.758 | 32 x 32 | 7.032 | 65 x 65 | 29.015 |
| 17 x 17 | 1.985 | 34 x 34 | 7.939 | 70 x 70 | 33.65 |
| 18 x 18 | 2.225 | 36 x 36 | 8.9 | 75 x 75 | 38.629 |
SS 17-4PH Round Bar Weight Per Foot
| Diameter or Width (mm) |
Weight per meter | Sectional Area | Perimeter | |||
| Square (kg) |
Round (kg) |
Square (cm²) |
Round (cm²) |
Square (cm) |
Round (cm) |
|
| 5.0 | 0.20 | 0.15 | 0.25 | 0.20 | 2.0 | 1.57 |
| 5.5 | 0.24 | 0.19 | 0.30 | 0.24 | 2.2 | 1.78 |
| 6.0 | 0.28 | 0.22 | 0.36 | 0.28 | 2.4 | 1.88 |
| 7.0 | 0.38 | 0.30 | 0.49 | 0.38 | 2.8 | 2.20 |
| 8.0 | 0.50 | 0.39 | 0.64 | 0.50 | 3.2 | 2.51 |
| 9.0 | 0.64 | 0.50 | 0.81 | 0.64 | 3.6 | 2.83 |
| 10 | 0.73 | 0.63 | 1.00 | 0.79 | 4.0 | 3.14 |
| 11 | 0.95 | 0.75 | 1.21 | 0.95 | 4.4 | 3.46 |
| 12 | 1.13 | 0.89 | 1.44 | 1.13 | 4.8 | 3.77 |
| 14 | 1.54 | 1.21 | 1.96 | 1.54 | 5.6 | 4.40 |
| 16 | 2.01 | 1.58 | 2.56 | 2.01 | 6.4 | 5.03 |
| 18 | 2.54 | 2.00 | 3.24 | 2.54 | 7.2 | 5.65 |
| 20 | 3.14 | 2.47 | 4.00 | 3.14 | 8.0 | 6.28 |
| 22 | 3.80 | 2.98 | 4.84 | 3.80 | 8.8 | 6.91 |
| 25 | 4.91 | 3.85 | 6.25 | 4.91 | 10.0 | 7.85 |
| 28 | 6.15 | 4.83 | 7.84 | 6.16 | 11.2 | 8.80 |
| 32 | 8.04 | 6.31 | 10.24 | 8.04 | 12.8 | 10.05 |
| 36 | 10.17 | 7.99 | 12.96 | 10.18 | 14.4 | 11.31 |
| 40 | 12.56 | 9.86 | 16.00 | 12.57 | 16.0 | 12.57 |
| 45 | 15.90 | 12.49 | 20.25 | 15.90 | 18.0 | 14.14 |
| 50 | 19.62 | 15.41 | 25.00 | 19.64 | 20.0 | 15.71 |
| 56 | 24.62 | 19.34 | 31.36 | 24.63 | 22.4 | 17.59 |
| 63 | 31.16 | 24.47 | 36.69 | 31.17 | 25.2 | 19.79 |
| 71 | 39.57 | 31.08 | 50.41 | 39.59 | 28.4 | 22.31 |
| 80 | 50.24 | 39.46 | 64.00 | 50.27 | 32.0 | 25.13 |
Worldwide Supply of SS 15-5PH, 17-4PH Round Bars
Russia, Bahrain, Cyprus, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates (UAE), Yemen, United States of America (USA), Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom, Vatican City.
