ASTM-A841:2003 Edition

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A841/A841M-03a Standard Specification for Steel Plates for Pressure Vessels, Produced by Thermo-Mechanical Control Process (TMCP)

Published By	Publication Date	Number of Pages
ASTM	2003	6

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Categories: 77.140.50 - Flat steel products and semi-products, ASTM

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Description

ASTM A841/A841M-03a

Historical Standard: Standard Specification for Steel Plates for Pressure Vessels, Produced by Thermo-Mechanical Control Process (TMCP)

ASTM A841/A841M

Scope

1.1 This specification covers steel plates produced by the thermo-mechanical control process (TMCP). The plates are intended primarily for use in welded pressure vessels.

1.2 The TMCP method consists of rolling-reduction and cooling rate controls that result in mechanical properties in the finished plate that are equivalent to those attained using conventional rolling and heat treating processes, which entail reheating after rolling. A description of the TMCP method is given in Appendix X1.

1.3 Due to the inherent characteristics of the TMCP method, the plates cannot be formed at elevated temperatures without sustaining significant losses in strength and toughness. The plates may be formed and post-weld heat-treated at temperatures not exceeding 1200°F [650°C], providing the requirements of are met.

1.4 The maximum permitted nominal thickness of plates furnished to this specification is 4 in. [100 mm] for Grades A, B, and C; and 1.5 in. [40 mm] for Grades D, E, and F.

1.5 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.

Keywords

pressure containing parts; pressure vessel steel; steel plates; steel plates for pressure vessel applications

ICS Code

ICS Number Code 77.140.50 (Flat steel products and semi-products)

DOI: 10.1520/A0841_A0841M-03A

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents General Requirements and Ordering Information
2	Manufacture Chemical Composition Mechanical Requirements TABLE 1
3	TABLE 2 TABLE 3
4	Marking Keywords
5	X1. THERMO-MECHANICAL CONTROLED PROCESSING (TMCP) X1.1 X1.2 X1.3 FIG. X1.1

Additional information

Standard Title	A841/A841M-03a Standard Specification for Steel Plates for Pressure Vessels, Produced by Thermo-Mechanical Control Process (TMCP)
Published Code	ASTM
Publication Date	2003
Pages Count	6
ICS Codes	77.140.50 - Flat steel products and semi-products