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STAINLESS STEEL 434 - ALLOY COMPOSITION

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Stainless Steel 434

Related Metals:

No Related Metal names.                                     

Specifications:

AISI 434
DIN 1.4113
UNS S43400

Chemistry Data

Carbon

0.05 max

Chromium

Iron

Balance

Manganese

0.5 max

Molybdenum

Phosphorus

0.03 max

Silicon

0.5 max

Sulphur

0.01 max

General Information

Principal Design Features

Similar in chemistry and performance to 430 stainless steel, 434 has the addition of molybdenum to increase its resistance to corrosion. The alloy combines a ferritic structure with good fabricability and strength characteristics.


Applications

Primarily used in automotive trim applications and other exterior environments.


Machinability

Although not commonly available in machinable forms, 434 has been successfully machined using all standard methods.


Forming

Excellent ductility allows a wide variety of successful forming operations including shearing, blanking and deep drawing.


Corrosion Resistance

Resistant to mildly corrosive environments and atmospheric conditions. A dense polished finish will make this alloy resistant to all but the most direct salt water exposure.


Welding

434 can be successfully welded using most common methods. Standard type 308 filler material may be used, although if the part will undergo thermal cycling, it is recommended to use a filler material of similar composition. Material must be thoroughly clea


Forging

Begin forging after thorough soaking at 2000-2100 F and finish at 1350 F.


Annealing

Soak thoroughly at 1450-1600 F, air cool.


Hardening

This alloy does not respond to hardening by heat treatment.


Physical Data

Density (lb / cu. in.)

0.277

Specific Gravity

7.65

Specific Heat (Btu/lb/Deg F - [32-212 Deg F])

0.11

Melting Point (Deg F)

2750

Mechanical Data

Form

Strip

Condition

Test Specimen Annealed

Temper

70

Tensile Strength

74

Yield Strength

49

Elongation

26


Form

Strip

Condition

Test Specimen Annealed

Temper

200

Tensile Strength

70

Yield Strength

47

Elongation

23


Form

Strip

Condition

Test Specimen Annealed

Temper

400

Tensile Strength

68

Yield Strength

42

Elongation

18


Form

Strip

Condition

Test Specimen Annealed

Temper

600

Tensile Strength

65

Yield Strength

38

Elongation

18


Form

Strip

Condition

Test Specimen Annealed

Temper

800

Tensile Strength

62

Yield Strength

34

Elongation

17


Form

Strip

Condition

Test Specimen Annealed

Temper

1000

Tensile Strength

45

Yield Strength

25

Elongation

26


Form

Strip

Condition

Test Specimen Annealed

Temper

1200

Tensile Strength

18

Yield Strength

13

Elongation

69


Form

Strip

Condition

Test Specimen Annealed

Temper

1400

Tensile Strength

6.5

Yield Strength

4.9

Elongation

86


Form

Strip

Condition

Test Specimen Annealed

Temper

1600

Tensile Strength

4

Yield Strength

2.8

Elongation

79

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