Nascent Pipe & Tubes is a prominent manufacturer and supplier of premium quality 17-4 PH Pipes, known for their superior mechanical properties and excellent corrosion resistance. Manufactured in compliance with ASTM A564 and recognized globally under the UNS S17400 designation, 17-4 PH is a martensitic precipitation-hardening stainless steel alloy that offers an exceptional combination of high strength, hardness, and corrosion resistance. These attributes make it an ideal choice for critical applications across industries such as aerospace, petrochemical, marine, power generation, and food processing.

The UNS S17400 alloy, also known by its universal standard name as 17-4 Precipitation Hardening Stainless Steel, contains chromium, nickel, and copper, which contribute to its impressive mechanical performance. This steel grade can be heat treated to various strength levels, with the H900 condition providing the highest strength and the H1150 condition offering the greatest toughness. The ASTM A564 standard covers hot-finished or cold-finished age-hardened stainless steel bars and shapes, including seamless and welded tubing like 17-4 PH Pipes.
17‐4 PH Pipes Manufacturers, 17‐4 PH Pipes Suppliers, 17‐4 PH Pipes Stockists, 17‐4 PH Pipes Exporters
17‐4 PH Pipes Manufacturers in India, 17‐4 PH Pipes Suppliers in India, 17‐4 PH Pipes Stockists in India, 17‐4 PH Pipes Exporters in India
With outstanding weldability and machinability, these pipes are frequently used in structural components that require high strength and moderate corrosion resistance. Industries rely on 17-4 PH seamless pipes and welded pipes for components such as shafts, fasteners, gear parts, and nuclear waste casks. The ability to maintain strength at elevated temperatures and excellent dimensional stability under heat treatment makes this alloy a preferred choice for high-performance engineering systems.
17‐4 PH Pipes Manufacturers in Mumbai, 17‐4 PH Pipes Suppliers in Mumbai, 17‐4 PH Pipes Stockists in Mumbai, 17‐4 PH Pipes Exporters in Mumbai
Nascent Pipe & Tubes ensures that all 17-4 PH stainless steel pipes are manufactured using advanced technology and undergo rigorous quality testing for dimensional accuracy, tensile strength, and corrosion resistance. The pipes are available in a range of sizes, thicknesses, and finishes to cater to both standard and customized industrial needs. In addition to standard mill finishes, we also provide polished and pickled finishes to suit your specifications.
Specification of 17‐4 PH Pipes
Specification :ASTM B668 / ASME SB668; EN 10216-5; SEW 400 (Feb 1991); SS 14 25 84; NFA 49-217
17‐4 PH Tube Size: 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
17‐4 PH Tube Size :1/2" OD to 8" OD.
Thickness Range : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type :Seamless / ERW / Welded / Fabricated Pipes
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length :Single Random, Double Random & Required Length
End :Plain End, Beveled End, Treaded
End Protection :Plastic Caps
Outside Finish :2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Delivery Condition :Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials :Sizes and Specifications other than above can be manufactured on request
Chemical Composition of 17‐4 PH Pipes
Grade | C % | Si % | Mn % | P % | S % | Cr % | Mo % | Ni % | N % | Cu % |
---|---|---|---|---|---|---|---|---|---|---|
17‐4 PH | ≤ 0.02 | 0.70 | 2.00 | 0.03 | 0.01 | 26.0-28.0 | 3.00-4.00 | 30.0-32.0 | ≤ 0.11 | 0.70-1.50 |
Mechanical Properties Of 17‐4 PH Pipes
Tensile strength Rm N/mm² | 0.2% Yield strength Rp ≥ N/mm² | Elongation A5 ≥ % | Hardness HB 30 ≤ HB | Modulus of elasticity kN/mm² |
---|---|---|---|---|
500-750 | 220 | 35/30 | 230 | 195 |
17‐4 PH Pipes Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS |
---|---|---|
SS 17‐4 PH | 1.4542 | S17400 |
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