VdTÜV X 11 CrMoWVNb 9-1-1 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country/Standard: Germany / VdTÜV

Data updates

Latest Update: 2020-06

Total number of updates: 2

Update History

2019-09

This material has 217 properties — only a subset is shown here.

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VdTÜV X 11 CrMoWVNb 9-1-1 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.045

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

0.0003 – 0.006

UNIT

CAS NUMBER

7440-42-8

CRITERIA

VALUE

0.07 – 0.15

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-47-3

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

7440-03-1

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

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-62-2

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-33-7

WB 522/2: 2011 / Heat-resistant steel, X 11 CrMoWVNb 9-1-1, Material No.1.4905, seamless pipe, seamless hollow body

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VdTÜV X 11 CrMoWVNb 9-1-1 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 217 GPa

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Dynamic Modulus of Elasticity

218 GPa

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Density

7.67 — 7.86 kg/dm³

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Poisson Coefficient

val1

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This material has 217 properties — only a subset is shown here.

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VdTÜV X 11 CrMoWVNb 9-1-1 Heat Treatments

Quenching and tempering: Hardened at 1040-1080°C (for wt < 80 mm, cooling in air or controlled atmosphere can be performed), quenched in oil.
Tempered at 750-780°C, held for 2 min per mm thickness, air cooled.

Hot forming should be carried out at 1100-850°C.
After hot forming and for cold forming with deformation rate > 5%, renewed heat treatment is required.
Hardened: 1040 to 1080°C, cooled in air (for t >= 80 mm in oil or other similar way) Tempered: 750 to 770°C(at least 60 minutes), cooled in air. Tempered after welding: 740 to 770°C (holding time: t = 8 mm, 30 min; 8 < t <=30 mm, 60 min; t > 30 mm, 2 min/mm), cooled in air. Stress for cold forming: 650 to 750°C (holding time: 2 min/mm thickness, at least 60 min), cooled in air.

VdTÜV X 11 CrMoWVNb 9-1-1 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

450 MPa

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Tensile Strength

620 — 850 MPa

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Elongation, A

17 %

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Impact Energy

val1 J

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Vickers Hardness (HV)

val1

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42 Cross References

28 Composition
51 Mechanical Properties
39 Physical Properties
2 Heat Treatment
- Metallography
- Machinability

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

10 Joints
- Coatings
- Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

40 Total Suppliers