Chung Metal produces Stainless Steel 17-4 PH Hex Bars and Rods in Da Nang, Vietnam, offering excellent strength and corrosion resistance. Precipitation-hardening stainless alloy is highly tough and dimensionally stable after heat treatment. Chung Metal applies exact composition control and better surface finish for applications in high-performance mechanical and marine uses. These bars are a combination of strength, hardness, and corrosion resistance and are suitable for heavy-duty industrial and aerospace parts.
17-4 PH has 17% chromium, 4% nickel, 3–5% copper, and niobium as hardening elements. It has tensile strength of up to 1310 MPa, yield 1170 MPa, and hardness 35–45 HRC. The alloy has very good mechanical and corrosion-resistant properties.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Grade | C | Cb+Ta | Cr | Cu | Fe | Mn | Ni | P | S | Si |
| SS 17-4 PH | 0.07 max | 0.15-0.45 max | 15.00-17.50 max | 3.00-5.00 max | Bal | 1.0 | 3.0-5.0 | 0.40 | 0.03 | 1.0 |
| Grade | Tensile Strength ksi (MPa) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Rockwell) MAX |
| SS 17-4 PH | 170000 psi | 140000 psi | 6% | 38 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 17-4 PH | 1.4542 | S17400 |
| HEXAGONS | ||
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Stainless Steel 17-4 PH Hex Bar and Rod should be stored in a dry, clean environment, away from moisture and corrosive substances. Ensure proper ventilation and avoid direct contact with chemicals or humidity.
Yes, Stainless Steel 17-4 PH Hex Bar and Rod can be used for structural applications due to its high strength, excellent corrosion resistance, and ability to withstand extreme environments, making it ideal for demanding conditions.
Common challenges when using Stainless Steel 17-4 PH Hex Bar include difficulties in machining due to its hardness, sensitivity to stress corrosion cracking in certain environments, and the need for precise heat treatment for optimal properties.
17-4 PH hex rods and bars find application in pump shafts, valve pieces, turbine components, and fasteners. They retain strength in corrosive and high-pressure environments. 17-4 PH hex products of Chung Metal are extensively applied in marine, aerospace, and petrochemical markets where reliability and performance are essential.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Da Nang, Vietnam
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