Adinox Overseas stands as a prominent supplier and exporter of premium 17-4 PH Tubes, recognized for their exceptional blend of high strength, hardness, corrosion resistance, and mechanical properties. 17-4 PH, also known as UNS S17400, is a martensitic precipitation-hardening stainless steel alloy extensively utilized in demanding sectors such as aerospace, petrochemical, nuclear, and marine. This adaptable alloy delivers superior performance across a broad temperature range and is particularly suited for structural applications where both strength and corrosion resistance are critical.

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Our 17-4 PH stainless steel tubes are produced in accordance with internationally accepted standards including ASTM A564, ASTM A693, and ASTM A705. These standards guarantee that the tubes fulfill the most stringent quality, dimensional, and performance specifications. The alloy comprises approximately 17% chromium and 4% nickel, along with added copper and niobium, enabling the material to be heat treated to attain various degrees of hardness and mechanical strength. This renders the tubes appropriate for components that demand high fatigue strength and outstanding wear resistance.

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Adinox Overseas provides UNS S17400 Tubes in both seamless and welded configurations, with a variety of tempers such as Condition A, H900, H1025, H1150, and H1150M tailored to specific application needs. These tubes exhibit remarkable corrosion resistance in both mild industrial environments and marine settings. In scenarios where conventional austenitic stainless steels like 304 or 316 may succumb to mechanical stress or severe conditions, 17-4 PH maintains dimensional stability and reliability.

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17-4 PH stainless steel is a martensitic precipitation-hardening alloy possessing a better strength, hardness, and resistance against corrosion. It consists of 17% chromium and 4% nickel with a minor addition of copper for enhancing its properties. It contains a special composition that allows it to achieve high hardness through a simple heat treatment process, making it a great material for high-stress applications.

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Specifications Of 17-4 PH Tubes

Grade	Stainless Steel 17-4 PH / UNS S30815 / WNR 1.4835
Length	Single Random, Double Random and Cut Length.
Thickness	0.3mm – 50 mm
Form	Round, Rectangular, Square Etc.
End	Treaded End, Beveled End, Plain End.
Welded Pipe & Tubes Size	6” NB - 24” NB
Seamless Pipe & Tubes Size	1 / 2” NB - 8” NB
Outer Diameter	6.0-630mm
Type	Seamless, Welded, ERW, EFW, Fabricated
Schedule	SCH20, SCH30, SCH40, SCH80, SCH60, SCH80, SCH120, SCH140, SCH160, STD, XXS, XS
SS 17-4 PH Pipe Range	SS 17-4 PH Pipe Range: Round Pipes, Square Pipes, Rectangular Pipes, Oval Pipe, Colour Coated Pipe, High Pressure Pipes, Decorative Polished Pipes, Large Size Seamless Pipes, Large Diameter Fabricated Pipes.
SS 17-4 PH Tube Range:	Seamless Cold Rolled Coiled Tubing, High Pressure Tubes, Instrumentation Tubes, Seamless U-Bended Heat Exchanger Tubes, Straight Stainless Steel Tubing, Seamless U-tubes, Electropolished Tubes, Round Tube, Square Tube, Capillary Tubing, Seamless Heat Exchanger Tubes, Pre Insulated, etc.

Chemical Composition for 17-4 PH Tubes

Grade	C	Mn	Si	S	Cu	Fe	Ni	Cr	Cb+Ta
SS 17-4 PH	0.07	1.0 max	1.0 max	0.03	3.0 – 5.0	Bal	3.0 – 5.0	15.0 – 17.5	5 X C / 0.45

Mechanical Properties Of 17-4 PH Tubes

Tensile strength R_m N/mm²	0.2% Yield strength R_p ≥ N/mm²	Elongation A₅ ≥ %	Hardness HB 30 ≤ HB	Modulus of elasticity kN/mm²
500-750	220	35/30	230	195

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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