17-4-PH Angles and Channels
Rose Metal Industries manufactures, stocks and exports high-quality 17-4 PH (AISI 630 / UNS S17400) angles and channels designed for demanding structural and engineering applications. 17-4 PH is a precipitation-hardening stainless steel that delivers an exceptional combination of high strength, good corrosion resistance and excellent toughness after suitable heat treatment. Our structural sections are widely used where superior mechanical performance and reliability are essential — from coastal infrastructure in Tamilnadu and Andhra Pradesh to heavy engineering projects in Karnataka, Telangana, Puducherry and the Andaman & Nicobar Islands..
Available in a range of tempers (Condition A, H900, H1025, H1150), our angles and channels can be supplied in both raw mill finish and machined/polished conditions. Rose Metal Industries follows stringent quality control — chemical analysis, hardness testing, dimensional verification and MTR documentation — to ensure each batch meets project requirements for domestic and export customers. We pack and document shipments to international standards for exporters to the Middle East, Europe, Southeast Asia and beyond.
Manufactured by modern rolling and fabrication processes, our 17-4 PH angles and channels provide predictable dimensional tolerances and consistent metallurgical properties. These sections are particularly well suited to applications that require higher strength than conventional austenitic stainless steels, including structural supports, load-bearing rails, brackets, mining equipment, and components subject to cyclic loading or elevated temperatures
Rose Metal Industries offers flexible supply options — standard stock lengths, cut-to-size services, drilled/slot-finished profiles and customer-specific machining. Our technical team helps specify the correct temper and post-weld heat treatment schedule where welding is required. For coastal and offshore applications in regions like Chennai, Visakhapatnam and Port Blair, we recommend appropriate surface finishes and corrosion allowances to optimize service life in chloride-prone environments.
Specifications
Note: Certified composition is provided with every MTR and may vary slightly per customer specification.
Mechanical Properties (Typical by Condition)
| Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness |
|---|---|---|---|---|
| H900 | ≈ 1100–1400 | ≈ 1000–1250 | ≈ 3–8 | ~ 40–45 HRC |
| H1025 / H1150 | ≈ 900–1100 | ≈ 700–1000 | ≈ 8–18 | ~ 30–39 HRC |
| Solution Annealed (A) | ≈ 600–850 | ≈ 300–700 | ≈ 20–30 | ~ 200–300 HB (varies) |
Choose temper based on strength vs. ductility needs; our technical team will recommend the optimum heat treatment for structural load and welding requirements.
Equivalent Grades
- AISI: 17-4 PH / 630
- UNS: S17400
- Werkstoff / EN: 1.4542 / X5CrNiCuNb16-4 (closest equivalents)
Dimension Chart — Angles & Channels (Common Sizes)
| Section | Size (mm) | Thickness (mm) | Length (mm) |
|---|---|---|---|
| Equal Angle | 25 x 25 | 3, 4, 5 | 3000 / 6000 (cut-to-length available) |
| Equal Angle | 50 x 50 | 5, 6, 8 | 3000 / 6000 |
| Unequal Angle | 75 x 50 | 6, 8 | 3000 / 6000 |
| C-Channel | 100 x 50 | 6, 8, 10 | 3000 / 6000 |
| U-Channel | 150 x 75 | 8, 10, 12 | 3000 / 6000 |
Custom sizes and heavier sections available on request; dimensional tolerances conform to customer drawings and relevant standards.
Applications
- Structural supports and frameworks for offshore platforms and coastal construction
- Brackets, gussets and stiffeners in heavy machinery and industrial equipment
- Marine and shipbuilding components in ports along Tamilnadu, Andhra Pradesh and Karnataka
- Pulp & paper mills, chemical processing skids and pressure-support structures
- Aerospace fixtures, tooling and high-strength fabricated assemblies
- Architectural structures where higher strength with corrosion resistance is required
To support engineering and procurement teams, we supply full documentation including certified material test reports (MTRs), PMI reports on request, hardness and tensile test certificates. Our manufacturing capacity and stocked inventory allow prompt deliveries to major industrial hubs across southern India — Bengaluru, Hyderabad, Coimbatore, Vijayawada and Karaikal — as well as global EPC contractors requiring traceable, certified materials
Global keywords: 17-4 PH angles, 17-4 PH channels, AISI 630 structural sections, UNS S17400 profiles, precipitation hardening stainless steel, Rose Metal Industries exporter — included to enhance discoverability in international and domestic markets.
Frequently Asked Questions (FAQ)
Q1: Are 17-4 PH angles and channels weldable?
A: Yes. Welding is possible but requires controlled procedures; post-weld heat treatment may be necessary to restore mechanical properties depending on the application.
Q2: Do you provide MTR and third-party inspection?
A: Yes. Rose Metal Industries issues full MTRs (EN 10204 3.1) and can arrange third-party inspection and PMI testing.
Q3: What finishes are recommended for coastal installations?
A: Pickled & passivated or mechanically polished finishes are recommended, along with appropriate coatings if continuous seawater exposure is expected.
Q4: Can you supply drilled, slotted or pre-machined sections?
A: Yes — we offer value-added services such as drilling, slotting, CNC machining and custom fabrication.
Q5: How quickly can you deliver to southern India and island territories?
A: Delivery lead-time depends on stock and order size; we maintain inventory for common sizes to support prompt deliveries to Tamilnadu, Andhra Pradesh, Karnataka, Telangana, Puducherry and Andaman & Nicobar Islands.