PROPRIETARY Carpenter Lapelloy C Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2017-08

Total number of updates: 3

Update History

2016-03 2016-02

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PROPRIETARY Carpenter Lapelloy C Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.2000 – 0.2500

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

11.0000 – 12.0000

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

1.7500 – 2.2500

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-89-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7727-37-9; 17778-88-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-02-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY Carpenter Lapelloy C Physical Properties

Temperature

0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 215 GPa

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Density

7.61 — 8.1 kg/dm³

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Poisson Coefficient

val1

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Service Temperature

≤ 649 °C

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This material has 64 properties — only a subset is shown here.

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PROPRIETARY Carpenter Lapelloy C Heat Treatments

Annealing: Heat to 1300/1350°F (704/732°C), 4 hours at heat and furnace or air cool. Hardness range will be Rc 29/31. Isothermal annealing is not practical because treating time exceeds 100 hours. Hardening: Heat to 1900°F (1038°C), and oil or air quench. For intricate shapes, marquench to 650°F (343°C), and air cool. Rockwell C hardness 50/55. The alloy should never be air cooled to the Ms temperature and quenched as severe cracking can result. During hardening, be certain that the part has cooled to a temperature below the Mf temperature (preferably room temperature) before tempering. Complete transformation to martensite is necessary to prevent nonuniform structures and hardness after tempering (i.e., mixtures of tempered and untempered martensite will result). Tempering: It is advisable to temper immediately after the alloy has reached room temperature after hardening treatments.

PROPRIETARY Carpenter Lapelloy C Mechanical Properties

Temperature

0 - 30°C ≥ 300°C

PROPERTY / VALUE

Tensile Strength

1069 MPa

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Elongation, A

17 %

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Yield Strength, Rp0.2

val1 MPa

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Impact Energy

val1 J

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Reduction of Area

val1 %

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-Cross References

11Composition
36Mechanical Properties
13Physical Properties
1Heat Treatment
-Metallography
-Machinability

1Stress-Strain
-Formability
-Fatigue
-Fracture
1Creep

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