ASTM A 234 Grade WPB Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country / Standard: United States / ASTM

Data updates

Latest Update: 2022-04

Total number of updates: 2

Update History

2015-02

This material has 75 properties — only a subset is shown here.

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ASTM A 234 Grade WPB Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.30

UNIT

CAS NUMBER

7440-44-0

CRITERIA

CEV

VALUE

≤ 0.50

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.40

UNIT

CAS NUMBER

7440-47-3

CRITERIA

Cr+Cu+Mo+Ni

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

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

A234/A234M: 2024 / Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service

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ASTM A 234 Grade WPB Physical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Density

7.67 — 7.86 kg/dm³

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Poisson Coefficient

0.27 — 0.3

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This material has 75 properties — only a subset is shown here.

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ASTM A 234 Grade WPB Heat Treatments

Hot-formed fittings upon which the final forming operation is completed at a temperature above 620°C (1150°F) and below 980°C (1800°F) need not be heat-treated provided they are cooled in still air.
Hot formed or forged fittings finished at temperature in excess of 980°C (1800°F) shall subsequently be annealed, normalized, or normalized and tempered.
Fittings produced by locally heating a portion of the fitting stock to any temperature for forming shall be subsequently annealed, normalized, or normalized and tempered.
Cold-formed fittings, upon which the final forming operation is completed at a temperature below 620°C (1150°F), shall be normalized, or shall be stress relieved at 595 - 690°C (1100 - 1275°F).
Cold-finished bars reduced in cross-sectional area more than 10% by cold drawing or cold rolling are not acceptable for use in the manufacture of these fittings unless the bars have been either stress relieved in the temperature range of 595 to 675 °C (1100 to 1250°F), normalized, normalized and tempered, or fully annealed. Mechanical testing must be performed subsequent to the final heat-treating operation.
Liquid quenching followed by tempering shall be permitted by the purchaser with the minimum tempering temperature 595°C (1100°F).

ASTM A 234 Grade WPB Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

≥ 415 MPa

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Brinell Hardness (HB)

≤ 197

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Elongation, A

≥ 14 %

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Yield Strength, Rp0.2

val1 MPa

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ASTM A 234 Grade WPB International Equivalent Materials

Showing 8 of 12 results.

MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

SA-234 Grade WPB

STANDARD

ASME

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Official

MATERIAL

SA-420 Grade WPL6

STANDARD

ASME

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

K03006

STANDARD

UNS

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Official

MATERIAL

A 333 Grade 6

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

A 334 Grade 6

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

A 369 Grade FPB

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

A 420 Grade WPL 6

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

A 556 Grade C2

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

Need the full list of 12 international equivalents?

See all 12 equivalent grades with detailed mapping by standard, producer and equivalence category.

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12Cross References

12Composition
7Mechanical Properties
3Physical Properties
1Heat Treatment
-Metallography
-Machinability

-Stress-Strain
-Formability
-Fatigue
-Fracture
7Creep

4Joints
-Coatings
13Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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