The temperature-independent properties of 17-4 PH stainless steel make it highly corrosion-resistant and appropriate for various applications. It could be precipitation hardened at relatively low temperatures to achieve improved strength with high resistance to scaling and distortion during heat treatment. The only thing to avoid is using this particular grade of stainless steel in the annealed condition. It exhibits excellent welding and mechanical properties, so it is considered suitable for different industrial applications.
The alloy 17-4PH (UNS S17400) contains niobium, further enhancing its precipitation-hardening ability. It offers excellent corrosion resistance and high strength and hardness. However, the material is not recommended for service over temperatures of 572°F (300°C) or in cryogenic conditions. The highest mechanical properties are achieved if this material is subjected to age-hardening heat treatment, especially for temperatures close to 900°F (482°C). In corrosion resistance, Alloy 17-4PH Plate equals 304 stainless steel in most environments and in many others, does better than the 400 series of stainless steel.
The alloy 17-4PH (UNS S17400) contains niobium, further enhancing its precipitation-hardening ability. It offers excellent corrosion resistance and high strength and hardness. However, the material is not recommended for service over temperatures of 572°F (300°C) or in cryogenic conditions. The highest mechanical properties are achieved if this material is subjected to age-hardening heat treatment, especially for temperatures close to 900°F (482°C). In corrosion resistance, Alloy 17-4PH Plate equals 304 stainless steel in most environments and in many others, does better than the 400 series of stainless steel.
SS 17-4PH Specification
Specifications : AISI 630 , AMS 5604 , AMS 5622 , AMS 5643 , ASTM A564 (630) ASTM A693 (630), ASTM A705 (630), MIL C-24111, MIL P-47183, MILS-81591.
Standard : ASTM, ASME and API
Sizes : 1/8” to 48”, Seamless Pipes up to 24”
Thickness : 0.4mm up to 30.00 mm
Length : Standard 6-6.1 meter length, 20 Ft, Custom Cut Lengths
Schedule : SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Types : Seamless / ERW / Welded / EFW / Fabricated / CDW
Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
End : Plain End, Beveled End, Treaded
Stainless Steel 17-4PH Pipes & Tubing Chemical Properties
Grade |
C |
Mn |
Si |
S |
Cu |
Fe |
Ni |
Cr |
Cb+Ta |
SS 17-4PH |
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 |
Stainless Steel 17-4PH Pipes & Tubes Equivalent Grades
STANDARD |
WERKSTOFF NR. |
UNS |
SS 17-4PH |
1.4542 |
S17400 |
OUR EXPORT
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Coimbatore | Mysore | Salem | Tirupur | Bikaner |
Raipur | Bhubaneswar | Bhilai | Ankleshwar | Bhiwandi |
Vadodra | Kochi |
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