"Mehta Metal Industries", founded in 1978 by Babulal Mehta, is one of India's oldest and most trusted suppliers of high-quality stainless steel products.

SS 17-4 PH / 1.4542 Flat Bars Supplier & Exporter

SS 17-4 PH / 1.4542 Stainless Steel Flat Bars

SS 17-4 PH / 1.4542 Flat Bars Overview

Mehta Metal Industries is an SS 17-4 PH / 1.4542 Flat Bars Manufacturer in India, Supplier and Exporter, supplying precipitation-hardening stainless steel for aerospace fittings, pump shafts, valve components, marine equipment and industrial machinery. Its chromium-nickel-copper composition develops a strong martensitic structure after ageing, allowing components to achieve high strength and hardness through controlled heat treatment.

We offer 17-4 PH Stainless Steel Flat Bars in different sizes, finishes and heat-treatment conditions, subject to availability. Contact us for pricing, Material Test Certificates (MTC) and inspection documentation.

Specifications of SS 17-4 PH Flat Bars

Specification Details
Product Name SS 17-4 PH Stainless Steel Flat Bars
Grade Designation 17-4 PH / UNS S17400 / 1.4542
Material Type Martensitic Precipitation-Hardening Stainless Steel
Applicable Standards ASTM A564 / ASME SA564, as applicable
Thickness 2–150 mm
Width 10–500 mm
Length Standard or cut length, subject to availability
Heat Treatment Solution Treated, H900, H925, H1025, H1075, H1100 or H1150, subject to availability
Finish Hot Rolled, Black, Machined or Ground, subject to availability

Equivalent Grades of SS 17-4 PH / 1.4542 Flat Bars

Standard Werkstoff Nr. UNS JIS EN
SS 17-4 PH 1.4542 S17400 SUS 630 X5CrNiCuNb16-4

Chemical & Mechanical Properties

Chemical Composition of SS 17-4 PH Flat Bars (%)

Element Symbol Composition
Carbon C 0.07 Max
Manganese Mn 1.00 Max
Silicon Si 1.00 Max
Phosphorus P 0.040 Max
Sulfur S 0.030 Max
Chromium Cr 15.00–17.50
Nickel Ni 3.00–5.00
Molybdenum Mo 0.60 Max*
Copper Cu 3.00–5.00
Niobium + Tantalum Nb + Ta 0.15–0.45
Iron Fe Balance

Mechanical Properties of SS 17-4 PH Flat Bars

Property H1025 Condition
0.2% Proof / Yield Strength 145,000 psi
Tensile Strength 155,000 psi
Elongation 12%
Brinell Hardness 331 HB Min

SS 17-4 PH Flat Bar Weight Calculator

Mehta Metal Industries

Material Grade: SS 17-4 PH / 1.4542 | Density: 7.78 g/cm³

Width (mm) 10 – 500
Thickness (mm) 2 – 150
Length per piece (M)
Standard lengths up to 7 M.
Quantity (pieces)
3D Interactive Flat Bar Preview 🖱️ Drag to rotate view

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Types of SS 17-4 PH / 1.4542 Flat Bars

01

Hot Rolled SS 17-4 PH Flat Bars

Used for manufacturing heavy-duty pump shafts, valve bodies and industrial machinery components.

02

Black SS 17-4 PH Flat Bars

Used as raw material for machining aerospace fittings, equipment supports and custom-engineered parts.

03

Pickled SS 17-4 PH Flat Bars

Suitable for fabrication of pump components, valve parts and industrial equipment where surface scale removal is required.

04

Machined SS 17-4 PH Flat Bars

Used for precision components such as actuator parts, shaft assemblies and high-strength machine fittings.

05

Ground SS 17-4 PH Flat Bars

Used for precision-engineered parts, tooling components and applications requiring smoother surfaces and closer dimensional tolerances.

Countries We Supply and Export SS 17-4 PH Flat Bars

India

India

Europe

Germany
United Kingdom
France
Italy
Netherlands
Belgium
Spain
Poland
Austria
Sweden
Finland
Czechia
Portugal
Romania

North America

United States
Canada
Mexico
Guatemala
Belize
Honduras
El Salvador
Nicaragua
Costa Rica
Panama

Applications and Industries

SS 17-4 PH Flat Bars are selected for precision-engineered components that require high mechanical strength and controlled heat-treatment properties.

  • Aerospace: Used for structural fittings, landing gear components, actuator parts and high-strength fasteners.
  • Oil and Gas: Used for valve stems, pump shafts, connectors and pressure-control components.
  • Marine Engineering: Used for propeller shafts, marine fittings and equipment components.
  • Chemical Processing: Used for pump parts, valve components and machinery handling industrial process fluids.
  • Food Processing: Used for mixer shafts, agitator components and processing equipment.
  • Medical Equipment: Used for surgical instruments and precision components requiring strength and controlled finishing.

Quality Assurance

Mehta Metal Industries checks material grade, dimensions and surface finish against the agreed order specifications.

  • Grade Verification: Material grade and applicable standard are checked against purchase requirements.
  • Test Documentation: Material Test Certificates (MTCs) can be provided with the supply.
  • Size Checks: Thickness, width and length are inspected against specified dimensions.
  • Heat Treatment Verification: The supplied condition is checked against the agreed order requirements.
  • Quality Certifications: ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018, within their respective certified scopes.
  • Export Preparation: Packaging and shipping documents are arranged according to destination and order requirements.

Frequently Asked Questions

  • 1. Are SS 17-4 PH and 1.4542 Flat Bars equivalent?
    Yes. UNS S17400, EN 1.4542, AISI 630 and JIS SUS 630 are commonly used designations for 17-4 PH stainless steel. Verify the material certificate before substitution.
  • 2. What are SS 17-4 PH Flat Bars used for?
    They are used for aerospace fittings, pump shafts, valve components, marine equipment, industrial machinery and precision-engineered parts.
  • 3. What is the difference between H900 and H1025 in 17-4 PH?
    H900 provides higher strength and hardness, while H1025 offers a different balance of strength and toughness. The appropriate condition depends on the component's design requirements.
  • 4. Can you supply SS 17-4 PH / 1.4542 Flat Bars to the USA and Canada?
    Buyers in the USA and Canada can enquire about SS 17-4 PH Flat Bars based on their dimensions, heat-treatment condition, certification and shipping requirements.
  • 5. Can you export 17-4 PH Stainless Steel Flat Bars to European countries?
    Enquiries are welcome from Germany, France, Italy, Spain, Poland, the Netherlands, Belgium, Austria and other European countries, subject to supply and shipment feasibility.

Request a Quote for SS 17-4 PH Flat Bars

Looking for an SS 17-4 PH / 1.4542 Flat Bars Manufacturer in India, Supplier or Exporter? Contact Mehta Metal Industries with your required dimensions, quantity, heat-treatment condition, finish and documentation requirements for a quotation.