As demand continues to grow in aerospace, energy, oil & gas, and industrial manufacturing, 17-4PH stainless steel remains a premium alloy due to its high strength, heat-treatable properties, and corrosion resistance. This article provides an authoritative overview of the latest 2026 price trends, detailed material specifications, applications, and the advantages of choosing 17-4PH for your next project.
17-4PH stainless steel price per ton
The current price of 17-4PH stainless steel typically ranges from $3,000 to $7,200 per ton, depending on the product form and certification level.
| Product Form | Estimated Price per Ton (USD) |
|---|---|
| 17-4PH Bars (Standard Annealed) | $3,000 – $5,500 |
| 17-4PH Coils / Strips | $3,200 – $6,800 |
| 17-4PH Sheet & Plate | $3,500 – $7,200 |
| Precision Machined Parts | Customized (dependent on complexity) |
⚠️ Factors affecting price:
Global raw material cost (Cr, Ni, Cu)
Market demand and inventory levels
Thickness, size, and condition (heat treated vs. annealed)
Certification (ASTM, AMS, EN)
MOQ and delivery terms
Getting quotes from multiple qualified suppliers is essential to lock in competitive 2026 pricing and delivery schedules.
What is 17-4PH stainless steel?
17-4 PH stainless steel (Type 630) is a precipitation-hardening martensitic stainless steel that offers high strength, high hardness, and good corrosion resistance, making it an ideal material for demanding applications in aerospace, oil and gas, and industrial equipment. Its main advantage is that excellent mechanical properties can be achieved with only a simple low-temperature heat treatment (age hardening) after machining, without significant deformation. Therefore, it can be used to manufacture high-performance components such as gears, shafts, and valve parts.
Chemical Composition (Typical)
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 15.0 – 17.5 |
| Nickel (Ni) | 3.0 – 5.0 |
| Copper (Cu) | 3.0 – 5.0 |
| Niobium + Tantalum (Nb+Ta) | 0.15 – 0.45 |
| Carbon (C) | ≤ 0.07 |
| Iron (Fe) | Balance |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 1.0 |
Mechanical Properties (Typical)
Mechanical properties of 17-4PH vary with heat treatment. Below is a general performance snapshot for common conditions.
| Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HRC) |
|---|---|---|---|
| Solution Annealed (A) | ≥ 930 | ≥ 725 | ≤ 35 |
| H900 | ≥ 1310 | ≥ 1170 | 40 – 44 |
| H1025 | ≥ 1070 | ≥ 1000 | 35 – 38 |
| H1150 | ≥ 860 | ≥ 725 | 28 – 32 |
Applications of 17-4PH Stainless Steel
Due to its strength and corrosion resistance, 17-4PH is used across industries where both durability and reliability are essential.
Aerospace:Structural components,Actuator parts,Fasteners
Oil & Gas:Valve bodies,Pump shafts,High-load connectors
Industrial Machinery:Wear-resistant shafts,Load-bearing bolts,Mechanical components
Energy & Power:Turbine components,Heat exchanger parts
Precision Engineering:Machined pins, fittings, and instruments
GNEE is a trusted 17-4 PH stainless steel manufacturer and supplier specializing in a variety of services including custom orders, cutting and processing. We offer high-quality SS 17-4 products that meet AMS 5604 standards in various forms to suit different needs.
Our product: 17-4 PH round rod, S17400 square bar, solid rod, 17-4 PH cold drawn rod, 1.4542 hot rolled plate, 17-4 PH cold rolled plate, SUS630 clad plate, 17-4 PH flat plate, sheet, polished rod, hot rolled bar, perforated plate, etc.
FAQ
1.Why is 17-4PH more expensive than 304 or 316 stainless steel?
Due to its alloy content and the heat-treat process required to achieve high strength, its cost is usually higher but delivers superior performance for structural applications.
2.Does 17-4PH require heat treatment after welding?
Yes. Post-weld heat treatment (aging) is often recommended to restore mechanical properties.
3.Can 17-4PH replace carbon steel in high-load applications?
Yes. Its high strength and corrosion resistance make it a strong alternative to high-strength carbon steels with coating.
4. How can buyers reduce 17-4PH stainless steel cost?
Bulk buying, optimized heat-treat conditions, and negotiating long-term supply contracts can significantly reduce unit cost.