ASTM-A1041 › Historical Revision Information
Standard Specification for Pressure Vessel Plates, Alloy Steel, Higher Strength Chromium-Molybdenum-Tungsten (Withdrawn 2013)
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This specification covers standard requirements for chromium-tungsten-molybdenum-vanadium, with or without tantalum, alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated temperature service. The steel shall be killed and shall conform to the fine austenitic grain size requirements. Heat and product analyses shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, boron, tantalum, and tungsten. The material shall undergo tensile test and shall conform to the required tensile properties such as tensile strength, yield strength, and elongation.
Scope
1.1 This specification covers chromium-tungsten-molybdenum-vanadium, with or without tantalum, alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated temperature service.
1.2 Plates are available under this specification in two grades having different alloy contents as follows:
| Grade | NominalChromiumContent, % | NominalTungstenContent, % | NominalMolybdenum Content, % | NominalVanadiumContent, % | NominalTantalumContent, % | |||||
| 315 | 3.00 | 1.50 | 0.75 | 0.25 | 315T | 3.00 | 1.50 | 0.75 | 0.25 | 0.10 |
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 specification is expressed in both inch-pound units and in SI units; however, unless the order specifies the applicable "M" specification designation (SI units), the plates are furnished to inch-pound units.
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 is to be used independently of the other.
Keywords
alloy steel plates; chromium; creep resistance; elevated temperature service; high-strength; hydrogen service; molybdenum; pressure vessels; tantalum; tungsten; vanadium; ICS Number Code 77.140.20 (Steels of high quality)
To find similar documents by ASTM Volume:
01.04 (Steel--Structural, Reinforcing, Pressure Vessel, Railway)
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Document Number
ASTM-A1041
Revision Level
WITHDRAWN
Status
Cancelled
Modification Type
New
Publication Date
May 15, 2013
Document Type
Specification
Committee Number
A01.11