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17-4PH Precipitation Hardening Martensitic Stainless Steel Round Bar

17-4PH Precipitation Hardening Martensitic Stainless Steel Round Bar

17-4PH Precipitation Hardening Martensitic Stainless Steel Round Bar
CategoriesStainless Steel Bars
AlbumView larger image
Brandfushun
Model17-4PH
ShapeRound
Similar steel grade1.4542, UNS S17400, 630, 17-4PH
Delivery conditionCold drawn, Annealed
FOB portShanghai
Update Time2019-05-25
Detail Information

Introduction of 17-4h steel:

Alloy 17-4PH (UNS S17400), Type 630, is a chromium-nickel-copper precipitation hardening martensitic stainless steel with an addition of niobium. 17-4PH combines high strength and hardness with good corrosion resistance.
  The alloy is furnished in the solution annealed condition (Condition A). It should not be used at temperatures above 572°F (300°C) or for cryogenic service. Optimal mechanical properties can be obtained by subjecting the alloy to age hardening heat treatments. Heat treatment in the 900°F (482°C) range produces the highest strength. 

The corrosion resistance of Alloy 17-4PH is comparable to 304 stainless steel in most environments and is generally superior to the 400 series stainless steels. It is used in applications where the combination of moderate corrosion resistance and unusually high strength are required.
  Alloy 17-4PH can be easily welded and processed by standard shop fabrication practices.

 

Applications of 17-4h stainless:

• Aerospace — structural and parts
• Biomedical — hand tools
• Chemical Processing
• Food Process Equipment
• Gate Valves
• Mechanical Components
• Nuclear Waste Processing and Storage
• Oil and Gas Production — foils, helicopter deck platforms, etc.
• Pulp and Paper — paper mill equipment

 

Similar Steel grade of 17-4h:

DIN

ASTM

EN

UNS

AFNOR

CNU

GB

1.4542

Grade 630(AMS 5604B)

X5CrNiCuNb 16-4

S17400

Z5

17-4PH

0Cr17Ni4Cu4Nb

 

17-4h Chemical Composition (%)

C

Si

Mn

P

S

Cr

Ni

Cu

Nb

0.07 max

1.0 max

1.0 max

0.030 max

0.035 max

15.5-17.5

3.0-5.0

3.0-5.0

0.15-0.45

 

 

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