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发表于 2018-7-19 21:22:34
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ASME Boiler and Pressure Vessel Code 2017
SECTION IX Welding, Brazing, and Fusing Qualifications
QW-441 GENERAL
Identification of weld metalchemical composition designated on the PQR and WPS shall be as given in QW-404.5
Table QW-442
A-Numbers
Classification of Ferrous Weld Metal Analysis for Procedure Qualification
Analysis,% [Note(1)] and [Note (2)]
A-No. Types of Weld Deposit C Cr Mo Ni Mn Si
1 Mild Steel 0.20 0.20 0 30 0.50 1.60 1.0
Table QW-432
F-Numbers
Grouping of Electrodes and Welding Rods for Qualification
F-N o. ASME Specification AWS Classification UNS No.
6 SF A-5.18 All classifications . . .
ASME Boiler and Pressure Vessel Code 2017
SECTION II MATERIALS
Part C Specifications for Welding Rods, Electrodes, and Filler Metals
SFA-5.18/SFA-5.18M SPECIFICATION FOR CARBON STEEL ELECTRODES AND RODS FOR GAS SHIELDED ARC WELDING
TABLE 1
CHEMICAL COMPOSITION REQUIREMENTS FOR WELD METAL FROM COMPOSITE ELECTRODES
SFA 5.18/SFA-5.18M 焊丝 A-No. 为 1.
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