17-4 PH Steel Sheets Suppliers in India – ASTM A693 UNS S17400 Stockist & Exporter
Product Overview – 17-4 PH Steel Sheets Suppliers in India
Ozair Tradelink is a leading 17-4 PH steel sheets suppliers in India, offering high-quality precipitation hardening stainless steel sheets with superior strength and corrosion resistance. 17-4 PH stainless steel (UNS S17400) is one of the most widely used martensitic precipitation-hardening grades, known for its excellent mechanical properties and versatile heat treatment capability.
We supply ASTM A693 17-4 PH stainless steel sheets in various thicknesses, finishes, and heat-treated conditions including H900, H1025, H1075, and H1150.
What is 17-4 PH Stainless Steel?
17-4 PH stainless steel (UNS S17400) is a chromium-nickel-copper martensitic precipitation hardening stainless steel. It provides an outstanding combination of:
High strength and hardness
Good corrosion resistance
Excellent wear resistance
Good fabrication properties
Heat treatable for different strength levels
It is widely used in aerospace, oil & gas, marine, and chemical processing industries.
Key Features of 17-4 PH Steel Sheets
Excellent high strength
Good corrosion resistance in moderate environments
Good resistance to stress corrosion cracking
Heat treatable for variable strength
Good fatigue resistance
Suitable for high-temperature applications
Excellent dimensional stability
17-4 PH sheets are widely used in:
Aerospace components
Oil & Gas valves and fittings
Marine shafts and pump components
Chemical processing equipment
Power generation components
Defense and heavy engineering parts
Why Choose Us as 17-4 PH Steel Sheets Suppliers in India?
Large ready stock inventory
Competitive pricing
PAN India supply capability
Export packaging facility
Mill Test Certificate (MTC) provided
Third-party inspection available
Custom cutting and fast dispatch
We are reliable 17-4 PH steel sheets suppliers in India, delivering certified material that meets international standards for demanding applications.
Chemical Composition of 17-4 PH Steel Sheets
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 15.00 – 17.50 |
| Nickel (Ni) | 3.00 – 5.00 |
| Copper (Cu) | 3.00 – 5.00 |
| Niobium + Tantalum (Nb+Ta) | 0.15 – 0.45 |
| Carbon (C) | 0.07 max |
| Manganese (Mn) | 1.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.03 max |
| Iron (Fe) | Balance |
Mechanical Properties of 17-4 PH Steel Sheets
(Properties vary depending on heat treatment condition)
| Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness | Elongation (%) |
|---|---|---|---|---|
| H900 | 1310 MPa | 1170 MPa | 40 HRC | 10% |
| H1025 | 1170 MPa | 1070 MPa | 35 HRC | 12% |
| H1075 | 1140 MPa | 1000 MPa | 33 HRC | 13% |
| H1150 | 1000 MPa | 860 MPa | 28 HRC | 16% |
Equivalent Grades of 17-4 PH Steel
| Standard | Grade |
|---|---|
| UNS | S17400 |
| ASTM | ASTM A693 |
| AMS | AMS 5604 / AMS 5643 |
| EN / DIN | 1.4542 |
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