17-4 PH Stainless Steel Round Bar Supplier in Mumbai for High Strength Industrial Applications
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When a component needs high mechanical strength together with corrosion resistance, conventional stainless steel may not always be the most suitable choice.
For these applications, engineers often consider precipitation-hardening stainless steels.
One of the most widely recognized grades in this category is 17-4 PH stainless steel.
17-4 PH is a chromium-nickel-copper precipitation-hardening stainless steel that can achieve different combinations of strength, hardness and toughness through controlled heat treatment.
It is commonly identified by:
UNS S17400
For industrial buyers searching for a 17-4 PH Stainless Steel Round Bar Supplier Mumbai, the exact grade should be accompanied by the required specification, dimensions and heat-treatment condition.
Table of Contents
- What is 17-4 PH Stainless Steel Round Bar?
- Why is 17-4 PH used in industry?
- 17-4 PH material identification
- UNS S17400 Round Bar
- ASTM A564 17-4 PH
- ASTM A693 17-4 PH
- 17-4 PH chemical composition
- 17-4 PH corrosion resistance
- 17-4 PH mechanical properties
- 17-4 PH tensile strength
- 17-4 PH yield strength
- 17-4 PH hardness
- 17-4 PH precipitation hardening
- 17-4 PH heat treatment
- 17-4 PH H900
- 17-4 PH H1025
- 17-4 PH H1150
- 17-4 PH Round Bar specifications
- 17-4 PH Round Bar sizes
- 17-4 PH bright bar
- 17-4 PH forged bar
- 17-4 PH machining
- 17-4 PH welding
- 17-4 PH shaft applications
- 17-4 PH fasteners
- 17-4 PH valve components
- 17-4 PH pump components
- 17-4 PH aerospace applications
- 17-4 PH oil and gas applications
- 17-4 PH chemical processing applications
- 17-4 PH marine applications
- 17-4 PH engineering applications
- 17-4 PH price
- 17-4 PH testing and certification
- How to buy 17-4 PH Round Bar
- 17-4 PH Round Bar Supplier in Mumbai
- Frequently Asked Questions
- Request a Quotation
- Conclusion
What is 17-4 PH Stainless Steel Round Bar?
17-4 PH Stainless Steel Round Bar is a cylindrical product manufactured from precipitation-hardening stainless steel.
The name 17-4 refers broadly to the alloy’s nominal chromium and nickel content.
The alloy also contains copper and other controlled alloying elements.
The material can be heat treated to achieve high mechanical strength.
Round bar can be used as raw material for:
- Shafts
- Pins
- Fasteners
- Valve components
- Pump components
- Bushings
- Aerospace components
- Industrial machinery parts
The appropriate heat-treatment condition depends on the required properties.
Why is 17-4 PH Used in Industry?
17-4 PH is attractive because it combines several useful properties in one material.
These include:
- High strength
- Good corrosion resistance
- Heat-treatment capability
- Good dimensional stability during hardening
- Useful toughness
- Machinability in appropriate conditions
This makes it suitable for applications where ordinary austenitic stainless steel may not provide sufficient strength.
For materials-engineering information, buyers and engineers can refer to ASM International.
17-4 PH Material Identification
17-4 PH is commonly identified through several names:
- 17-4 PH
- 17-4PH
- 17-4 PH Stainless Steel
- Grade 630
- Stainless Steel 630
- UNS S17400
- S17400 Round Bar
- 630 Round Bar
When ordering, the clearest identification is:
17-4 PH / UNS S17400
along with the applicable standard.
UNS S17400 Round Bar
UNS S17400 is the UNS designation for 17-4 PH stainless steel.
Therefore, searches for:
“UNS S17400 Round Bar Supplier”
are generally associated with 17-4 PH material.
However, the UNS number alone does not define the required mechanical condition.
The heat-treatment condition should also be specified.
ASTM A564 17-4 PH
ASTM A564 covers hot-rolled and cold-finished age-hardening stainless steel bars and shapes within its scope.
17-4 PH is one of the commonly specified grades under this type of standard.
When requesting ASTM A564 17-4 PH Round Bar, specify:
- Grade
- Size
- Condition
- Quantity
- Testing
- Certification
Current standard requirements can be checked through ASTM International.
ASTM A693 17-4 PH
ASTM A693 covers precipitation-hardening stainless steel plate, sheet and strip.
It is therefore important not to confuse product specifications for flat products with specifications for round bar.
For a round-bar requirement, buyers should state the applicable bar specification rather than assuming that every 17-4 PH product follows the same standard.
17-4 PH Chemical Composition
17-4 PH is a precipitation-hardening stainless steel based primarily on:
- Iron
- Chromium
- Nickel
- Copper
It also contains controlled amounts of:
- Manganese
- Silicon
- Niobium
- Carbon
- Phosphorus
- Sulfur
The exact composition limits depend on the applicable specification.
The supplied Material Test Certificate should be used to verify chemistry.
17-4 PH Corrosion Resistance
17-4 PH provides useful corrosion resistance for many industrial applications.
It can be considered where a component requires:
high strength + corrosion resistance.
Potential environments include:
- Industrial atmospheres
- Marine environments
- Petroleum equipment
- Chemical-processing systems
- General engineering applications
Corrosion performance depends on the service environment, surface condition and heat-treatment condition.
17-4 PH Mechanical Properties
One of the major advantages of 17-4 PH is its ability to achieve different mechanical-property combinations through precipitation hardening.
Important properties include:
- Tensile strength
- Yield strength
- Hardness
- Elongation
- Toughness
Different aging conditions can produce significantly different mechanical properties.
This is why the heat-treatment condition should always be specified.
17-4 PH Tensile Strength
17-4 PH can achieve high tensile strength after appropriate aging treatment.
This makes it relevant for mechanically loaded components such as:
- Shafts
- Fasteners
- Pins
- Valve components
- Pump components
- Aerospace hardware
The exact tensile requirement should be checked against the applicable specification and material condition.
17-4 PH Yield Strength
Yield strength is particularly important when components must withstand high loads without permanent deformation.
Applications may involve:
- Pressure
- Torque
- Bending
- Vibration
- Repeated loading
17-4 PH can achieve high yield strength through precipitation hardening.
The required heat-treatment condition should therefore be identified before purchasing.
17-4 PH Hardness
Hardness depends strongly on the selected aging condition.
For example, commonly referenced conditions include:
- H900
- H1025
- H1075
- H1150
Each condition provides a different balance of:
strength + hardness + toughness + ductility.
For critical applications, use certified mechanical-property data for the supplied condition.
17-4 PH Precipitation Hardening
The term PH stands for precipitation hardening.
During the heat-treatment process, controlled aging causes strengthening precipitates to form within the material’s microstructure.
This allows engineers to select a condition appropriate to the application.
For example:
H900 is generally selected when very high strength is important.
Other conditions may be selected where a greater balance of strength and toughness is required.
17-4 PH Heat Treatment
Heat treatment is one of the most important factors when purchasing 17-4 PH.
The material is typically solution treated before aging.
Different aging temperatures produce different mechanical-property combinations.
Therefore, an enquiry should clearly state whether the required material is:
- Solution treated
- H900
- H1025
- H1075
- H1150
- Another specified condition
Never assume that all 17-4 PH bars have the same strength.
17-4 PH H900
H900 is a commonly specified precipitation-hardening condition.
It is generally associated with high strength and hardness.
This condition may be considered for:
- High-strength shafts
- Fasteners
- Pins
- Mechanical components
- Aerospace hardware
The actual certified properties should be checked against the applicable specification.
17-4 PH H1025
H1025 provides a different balance of mechanical properties compared with H900.
It may be selected when the application requires a combination of:
- Strength
- Toughness
- Ductility
The exact properties should be verified against the applicable material standard.
17-4 PH H1150
H1150 is another commonly referenced aging condition.
Compared with higher-strength aging conditions, H1150 can provide a different balance of:
- Strength
- Hardness
- Toughness
- Ductility
The appropriate condition should be selected based on the engineering requirement.
17-4 PH Round Bar Specifications
A professional purchase enquiry can include:
| Requirement | Example |
|---|---|
| Material | 17-4 PH |
| UNS | S17400 |
| Specification | ASTM A564 |
| Product | Round Bar |
| Diameter | 50 mm |
| Length | 3000 mm |
| Condition | H900 |
| Finish | Bright / Machined |
| Quantity | 250 kg |
| Testing | PMI + Mechanical |
| Certificate | EN 10204 3.1 |
The actual condition and specification should be based on the application.
17-4 PH Round Bar Sizes
17-4 PH Round Bar can be required in different diameters.
Industrial enquiries may include:
- 10 mm
- 12 mm
- 16 mm
- 20 mm
- 25 mm
- 30 mm
- 40 mm
- 50 mm
- 60 mm
- 75 mm
- 100 mm
Larger forged sections can also be required for specialized components.
Availability depends on:
- Diameter
- Length
- Condition
- Specification
- Quantity
- Stock
17-4 PH Bright Bar
Bright-finished 17-4 PH Round Bar can be useful for precision-machined components.
Potential applications include:
- Shafts
- Pins
- Fasteners
- Valve stems
- Precision components
For close-tolerance requirements, state the dimensional tolerance in the enquiry.
17-4 PH Forged Bar
Forged 17-4 PH can be used for larger or heavily loaded components.
Potential applications include:
- Large shafts
- Valve components
- Pump components
- Industrial machinery
- Aerospace parts
Forging condition, heat treatment and final dimensions should be specified clearly.
17-4 PH Machining
17-4 PH machining behaviour depends strongly on its material condition.
Solution-treated material is generally easier to machine than fully aged high-strength material.
Important considerations include:
- Cutting speed
- Feed rate
- Tool geometry
- Coolant
- Machine rigidity
- Work hardening
Machining parameters should be adjusted to the actual supplied condition.
17-4 PH Welding
17-4 PH can be welded using suitable procedures.
Important considerations include:
- Material condition
- Welding process
- Filler metal
- Heat input
- Post-weld treatment
- Required mechanical properties
For critical components, qualified welding procedures should be followed.
17-4 PH Shaft Applications
17-4 PH Round Bar can be machined into shafts where high strength and corrosion resistance are required.
Potential applications include:
- Pump shafts
- Industrial shafts
- Valve stems
- Mechanical shafts
- Marine components
The design should consider:
- Torque
- Bending
- Fatigue
- Corrosion
- Operating temperature
- Rotational speed
17-4 PH Fasteners
17-4 PH is widely considered for high-strength fastener applications.
Products may include:
- Bolts
- Nuts
- Studs
- Screws
- Washers
- Special fasteners
The appropriate heat-treatment condition should be specified according to the required strength and service environment.
17-4 PH Valve Components
Valve components may be exposed to:
- Pressure
- Corrosive fluids
- Mechanical movement
- Repeated loading
17-4 PH can be considered for selected:
- Valve stems
- Valve bodies
- Pins
- Internal components
- Actuator components
Final material selection depends on the fluid, pressure, temperature and design.
17-4 PH Pump Components
Industrial pump components can experience mechanical loading together with corrosion.
17-4 PH may be considered for:
- Pump shafts
- Sleeves
- Impeller-related components
- Pins
- Machined components
The pumped fluid and operating conditions should be evaluated before material selection.
17-4 PH Aerospace Applications
17-4 PH is used in selected aerospace applications because it offers high strength and useful corrosion resistance.
Potential applications include:
- Aerospace fasteners
- Structural components
- Landing-gear-related components
- Shafts
- Machined hardware
Aerospace applications generally require strict traceability, testing and certification.
For aerospace materials and engineering standards, useful technical resources are available through SAE International.
17-4 PH Oil and Gas Applications
Oil and gas equipment can involve:
- High pressure
- Corrosive fluids
- Mechanical loading
- Temperature variations
17-4 PH can be considered for selected:
- Valve components
- Pump components
- Shafts
- Fasteners
- Mechanical parts
The exact service conditions should be evaluated before selecting the alloy.
17-4 PH Chemical Processing Applications
Chemical-processing equipment can require corrosion-resistant and mechanically strong materials.
Potential applications include:
- Pumps
- Valves
- Shafts
- Fasteners
- Mechanical components
The exact process fluid and concentration should be considered before selecting the material.
17-4 PH Marine Applications
Marine equipment can be exposed to:
- Seawater
- Chlorides
- Moisture
- Mechanical loading
17-4 PH may be suitable for selected marine components depending on the specific environment and required corrosion performance.
For general marine and environmental information, engineers can refer to NOAA.
17-4 PH Engineering Applications
17-4 PH is used in many engineering applications where strength and corrosion resistance are important.
These can include:
- Shafts
- Pins
- Fasteners
- Valve components
- Pump components
- Machinery parts
- Aerospace hardware
- Industrial equipment
Its heat-treatment capability allows engineers to select different mechanical-property combinations.
17-4 PH Price
17-4 PH Round Bar Price depends on the complete material requirement.
Pricing can vary according to:
- Diameter
- Length
- Quantity
- Specification
- Heat-treatment condition
- Finish
- Testing
- Certification
- Machining
- Stock availability
- Market conditions
Therefore, a single fixed price cannot accurately represent every 17-4 PH requirement.
For a quotation, provide the complete specification.
17-4 PH Testing and Certification
Industrial buyers may require:
- Chemical analysis
- Tensile testing
- Yield testing
- Elongation
- Hardness
- PMI
- Dimensional inspection
- Heat-number traceability
- Material Test Certificate
- Third-party inspection
For critical applications, testing and documentation requirements should be confirmed before ordering.
How to Buy 17-4 PH Round Bar
A professional purchase enquiry can include:
Material: 17-4 PH
UNS: S17400
Specification: ASTM A564
Diameter: ______ mm
Length: ______ mm
Condition: H900 / H1025 / H1150 / As Required
Quantity: ______ kg
Finish: ______
Testing: ______
Certificate: ______
Application: ______
Providing these details helps the supplier identify the required material accurately.
17-4 PH Round Bar Supplier in Mumbai
If you are searching for a 17-4 PH Stainless Steel Round Bar Supplier Mumbai, mention the exact material condition in your enquiry.
Instead of:
“Need 17-4 PH bar.”
provide:
17-4 PH / UNS S17400 / ASTM A564 / H900 / 50 mm Diameter / 3000 mm Length
This gives the supplier a much clearer understanding of your requirement.
Manan Steel & Metals supplies specialty alloys, stainless steels and industrial metal products for engineering and manufacturing applications.
Frequently Asked Questions
What is 17-4 PH Stainless Steel?
17-4 PH is a precipitation-hardening stainless steel that can achieve high mechanical strength through controlled heat treatment.
What is the UNS number of 17-4 PH?
The UNS designation is UNS S17400.
What does PH mean in 17-4 PH?
PH stands for precipitation hardening.
What is 17-4 PH H900?
H900 is a precipitation-hardening condition generally associated with high strength and hardness.
What is 17-4 PH H1025?
H1025 is an aging condition providing a different balance of strength, toughness and ductility compared with H900.
What is 17-4 PH H1150?
H1150 is another aging condition selected when a different combination of strength and toughness is required.
Is 17-4 PH corrosion resistant?
Yes. It provides useful corrosion resistance in many industrial environments.
Is 17-4 PH suitable for shafts?
Yes. It can be used for selected shafts where high strength and corrosion resistance are required.
Is 17-4 PH suitable for fasteners?
Yes. It is commonly considered for high-strength fastener applications.
Can 17-4 PH be machined?
Yes. Machining practices should be adjusted according to the material condition.
Can 17-4 PH be welded?
Yes. Appropriate welding procedures should be followed.
What affects 17-4 PH Round Bar price?
Diameter, length, quantity, specification, heat-treatment condition, finish, testing, certification, machining and availability can affect the price.
Where can I buy 17-4 PH Round Bar in Mumbai?
Contact Manan Steel & Metals with the required grade, specification, dimensions, condition and quantity for availability and quotation.
Request a 17-4 PH Round Bar Quotation
Looking for a 17-4 PH Stainless Steel Round Bar Supplier in Mumbai?
Send your complete requirement:
Material: 17-4 PH
UNS: S17400
Specification: ______
Diameter: ______ mm
Length: ______ mm
Condition: ______
Quantity: ______ kg
Finish: ______
Testing: ______
Certificate: ______
Application: ______
Phone: 7977369869
Email: manansteel@gmail.com
Manan Steel & Metals
Shop No. 2, Hira Building
97 Khetwadi Main Road (Nanubhai Desai Road)
Girgaon, Mumbai – 400004
Maharashtra, India
Phone: 7977369869
Email: manansteel@gmail.com
Conclusion
17-4 PH stainless steel is a versatile precipitation-hardening material for applications requiring a combination of high strength, corrosion resistance and controlled mechanical properties.
Its ability to undergo different aging treatments makes it useful for applications where the balance between strength, hardness and toughness is important.
Potential applications include:
- Aerospace hardware
- High-strength fasteners
- Shafts
- Pumps
- Valves
- Oil and gas equipment
- Industrial machinery
- Precision engineering components
For procurement, clearly specify:
17-4 PH + UNS S17400 + applicable specification + heat-treatment condition + dimensions + quantity.
This is especially important because different aging conditions can provide significantly different mechanical properties.
For 17-4 PH Round Bar requirements in Mumbai, contact Manan Steel & Metals with your complete technical requirement.