ASTM-A203 Standard Specification for Pressure Vessel Plates, Alloy Steel, Nickel

ASTM-A203 - 2017 EDITION - CURRENT
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This specification covers nickel-alloy steel plates intended primarily for welded pressure vessels. As a steel making practice, the steel shall be killed and shall conform to fine grain size requirements. The heat treatment requirements for all plates are presented, and all plates under Grades A, B, D, and E shall be normalized as required. The steel shall conform to the required chemical compositions. Two mechanical test requirements are presented that includes, tension test requirements and impact test requirements.

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Scope

1.1 This specification2 covers nickel-alloy steel plates intended primarily for welded pressure vessels.

1.2 Plates under this specification are available with four strength levels and two nickel compositions as follows:

Grade

Nominal Nickel
Content %

Yield Strength, min, ksi [MPa]

Tensile Strength, min, ksi [MPa]

A

2.25

37 [255]

65 [450]

B

2.25

40 [275]

70 [485]

D

3.50

37 [255]

65 [450]

E

3.50

40 [275]

70 [485]

F

3.50

 

 

    2 in. [50 mm] and under

55 [380]

80 [550]

    Over 2 in. [50 mm]

50 [345]

75 [515]

1.3 The maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical property requirements.

1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents. Therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with this specification.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

alloy steel plate; nickel alloy steel; pressure containing parts; pressure vessel steels; steel plates; steel plates for pressure vessel applications;; ICS Number Code 77.140.30 (Steels for pressure purposes); 77.140.50 (Flat steel products and semi-products)

To find similar documents by ASTM Volume:

01.04 (Steel--Structural, Reinforcing, Pressure Vessel, Railway)

To find similar documents by classification:

77.140.30 (Steels for pressure purposes Steels for pressure pipes and tubes for specific use, see 77.140.75)

77.140.50 (Flat steel products and semi-products Including plate, sheet and strip Steel strips for springs, see 77.140.25)

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Document Number

ASTM-A203/A203M-17

Revision Level

2017 EDITION

Status

Current

Modification Type

Revision

Publication Date

Nov. 1, 2017

Document Type

Specification

Page Count

3 pages

Committee Number

A01.11