17-4 PH Cold Finish Stainless Steel Rectangle Bar is a premium, high-strength alloy, known for its outstanding combination of corrosion resistance and mechanical properties. This precipitation-hardening (PH) martensitic steel achieves its strength through a low-temperature heat treatment, allowing it to maintain high hardness and tensile strength. The cold-finish process provides the bar with tighter dimensional tolerances and a smoother surface finish, which is critical for components requiring precision machining. Consequently, this material is highly valued in demanding applications, such as pump shafts, gears, fasteners, and chemical processing equipment, especially in the aerospace and oil & gas industries. Its versatility and reliability make it an ideal choice when engineers need a material with superior performance over common stainless or high-strength carbon steels.
MTR MTR Available
USA U.S.A. Made
Return Non-returnable
DFARS DFARS Compliant
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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Thickness
0.75
Width
2.75
Alloy
17-4
Production Method
Cold Finish
Metal Type
Stainless Steel
Shape
Bar-Rectangle
Brand
Online Metals Approved Seller
Weight/Lineal Foot
6.93 pounds
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Mechanical Properties

Density g/cm^3
8
Ultimate Tensile Strength KSI
160
Elongation % in 2 in.
6 - 15
Electrical Conductivity % IACS
2
Melting Point °F
2550 - 2620
Machinability %
45
Yield Tensile Strength KSI
145
Rockwell Hardness C Scale
39 max
Brinell Hardness 3000 kg load
363 max
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Chemistry Information : 17-4 Stainless Steel

Element
Percentage
Element
Percentage
Element
Percentage
C
0.07  max
Cu
3 - 5
Cr
15 - 17.5
Fe
73
Mn
1  max
Nb + Ta
0.15 - 0.45
Nb
0.45  max
Ni
3 - 5
P
0.04  max
S
0.03  max
Si
1  max
Ta
0.45  max
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