15-5 PH
15-5 PH
15-5 PH is a precipitation-hardening stainless steel known for its superior strength, toughness, and corrosion resistance. It performs exceptionally well under demanding mechanical and environmental conditions. Commonly used in aerospace, marine, and chemical industries, it ensures consistent reliability and durability. The alloy’s fine-grain structure enhances toughness and fatigue resistance. Controlled melting processes provide uniform quality and improved performance. These properties make 15-5 PH ideal for precision components and structural applications.
At Apar Alloys, we are a reliable stockist and supplier of  high-quality PH Alloy 15-5 PH materials sourced from reputed global mills. Our inventory includes bars, rods, and forgings available in multiple sizes and conditions. Every product is carefully inspected and certified to meet quality standards. We ensure dependable performance, consistency, and dimensional accuracy. Apar Alloys delivers trusted materials for critical industrial applications.
Specifications
| Grade | AISI | UNS | ASTM A276 / A479 | ASTM A182 | EN (W-Nr) | DIN Spec |
|---|---|---|---|---|---|---|
| 15-5 PH | AISI 15-5 PH | S15500 | ASTM A564 / A693 | ASTM A705 | 1.4545 | X5CrNiCu15-5 |
General Characteristics
Precipitation-hardening martensitic stainless steel
Excellent mechanical properties and corrosion resistance
High strength and toughness in both longitudinal and transverse directions
Superior fabricability and weldability
Maintains strength at elevated temperatures
Ideal for aerospace and structural applications
Chemical Composition (nominal) %
| Element | C | Si | Mn | P | S | Cr | Ni | Cu | Nb + Ta | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 15-5 PH | ≤0.07 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 14.00–15.50 | 3.50–5.50 | 2.50–4.50 | 0.15–0.45 | Balance |
Applications
Aerospace fittings and structural components
High-performance shafts and fasteners
Valves and pump components for chemical plants
Marine hardware and equipment
Power generation components
Food processing and paper industry machinery
Advantages
- High strength with excellent toughness
- Superior corrosion resistance
- Excellent fabricability and machinability
- Good mechanical properties in heavy sections
- Maintains hardness and strength up to 600°F (315°C)
- Excellent dimensional stability during heat treatment
Mechanical Properties (Typical at Room Temperature)
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 1070 – 1310 |
| Yield Strength (MPa) | 965 (typical) |
| Elongation (%) | 10 – 15 |
| Hardness (Brinell) | 330 – 370 HB |
Why Choose Apar Alloys
At Apar Alloys, we merge technical expertise with a customer-first approach. Our extensive inventory and sourcing network ensure that clients receive certified PH Alloy 15-5 PH materials that meet international standards and project-specific requirements.
Reliable Stockist & Supplier
We maintain a ready-to-dispatch inventory of PH alloys, ensuring fast and dependable delivery.
Sourced from Trusted Global Mills
All materials are procured from reputed international suppliers, guaranteeing quality and traceability.
Stringent Quality Checks
Each product undergoes thorough inspections and traceable certifications to meet stringent standards.
Custom Sizing & Cutting
We provide tailored solutions, including custom sizing, cutting, and finishing as per client needs.
Competitive Pricing and Timely Delivery
Apar Alloys ensures cost-effective supply with on-time delivery across industries.
Dedicated Client Support
Our experienced team provides personalized assistance, ensuring smooth transactions and lasting partnerships.
Get in Touch
Contact Us
Looking for a reliable source for PH Alloy 15-5 PH materials? Connect with Apar Alloys today for quotes, technical guidance, and customized supply solutions.
[Call] +91 98333 89128
301, 3rd floor, A WING, Krishvi Escape, Near Vinay Health Home, Fanaswadi Bhuleshwar, Mumbai - 400002.
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