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13-8 PH / 1.4534

13-8 PH is a martensitic precipitation-hardening stainless steel. This alloy is double melted in a Vacuum Induction Furnace followed by Consumable Electrode Vacuum Melt (VIM-VAR); or in some instances the 2nd melt is by Electro slag Re-melting (ESR) as specified by the consumer. This Alloy exhibits excellent strength, high hardness, superior toughness, combined with good corrosion resistance. Good transverse toughness properties are achieved by tight chemical composition control, low carbon content, and vacuum melting. 13-8 PH steel provides a wide range of properties through a single precipitation hardening heat treatment.

 This Alloy can be welded providing the use of an inert gas shielding ,Helium is preferred. Corrosion resistance is similar to 304 Stainless, with the greatest resistance in the fully hardened conditions.

Main fields of application of 1.4534

Applications include aircraft structural parts, landing gear components, shafts, valves, fittings and fasteners. Also used for components in the petrochemical industry.

 

Chemical composition of 1.4534

Cr 12,25 - 13,25 Si ≤ 0,10
Ni 7,5-8,5 Mn 0,10
Al 0,8-1,35 P 0,01
C ≤ 0,05 S 0,008
Mo 2,00-2,50 N 0,010
Ti 0,10    

Heat treatment

The key properties of Precipitation Hardened steels comes from the heat treatments , below is a short table showing the types of mechanical results obtainable through heat treatment.

Mechanical Properties

Condition Tensile 0.2% Yield Elongation Reduction of area Hardness Brinel Hardness Rockwell
H950 175.000 205.000 10 45 363 C45 min
H1000 220.000 190.000 10 50   C45 min
H1025 205.000 175.000 11 50    
H1050 185.000 165.000 12 50   C40 min
H1100 150.000 135.000 14 50   C34 min
H1150 135.000 90.000 14 50   C30 min

Alloy 13-8PH Precipitation Hardening Alloy is produced in the annealed condition. This is also referred to the solution heat treated condition, or Condition A. Solution treat from 1675 to 1725°F (910 to 940°C) for 15 to 30 minutes at temperature. Air cool or oil quench to below 60°F (15°C) to effect complete transformation to martensitic. Aging is normally carried out from 950 to 1150°F(510 to 620°C), depending upon the desired final properties. Heat treatment is usually performed in air. Reducing atmospheres should not be used because of the potential for hydrogen contamination.

Delivery program

Hempel Special Metals are able to supply this grade in many of the conditions in the following forms :

Bars, Tubes, Sheet and Plate

Material Outlet by Hempel

ECONOXX.com offers buyers a new and uncomplicated procurement channel, which also includes small quantities and materials in special alloys at favourable conditions.

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Product Count

Coil (36)

Coil slit strip (26)

Coil slit strip Coil slit strip
26

Sheets & plates (1688)

Sheets & plates Sheets & plates
1688

Tubes round (79)

Tubes round Tubes round
79

Full material square-cut (18)

Full material square-cut Full material square-cut
18

Tubes quadratic or rectangular (3)

Tubes quadratic or rectangular Tubes quadratic or rectangular
3

Hexagon-Shape (13)

Hexagon-Shape Hexagon-Shape
13

U-Shape (1)

U-Shape U-Shape
1

Wire Coil (3)

Wire Coil Wire Coil
3

Flat Steel (9)

Flat Steel Flat Steel
9

Cuts, fittings, other shapes (21)

Cuts, fittings, other shapes Cuts, fittings, other shapes
21

Disk (3)

Round bars (269)

Round bars Round bars
269

Ingots "square" (8)

Ingots "square" Ingots "square"
8

Contact us

Paul Mallett
Paul Mallett
Division Manager Aerospace

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