2015 SECTION IX
QW-300 GENERAL ....................................................................................................................................... 101
QW-301 TESTS ......................................................................................................................................... 101
QW-302 TYPE OF TEST REQUIRED ....................................................................................................... 102
QW-303 LIMITS OF QUALIFIED POSITIONS AND DIAMETERS (SEE QW-461) ................................ 103
QW-304 WELDERS ................................................................................................................................... 104
QW-305 WELDING OPERATORS ........................................................................................................... 105
QW-306 COMBINATION OF WELDING PROCESSES ........................................................................... 106
QW-310 QUALIFICATION TEST COUPONS .......................................................................................... 106
QW-320 RETESTS AND RENEWAL OF QUALIFICATION ................................................................... 107
QW-350 WELDING VARIABLES FOR WELDERS ................................................................................. 109
QW-360 WELDING VARIABLES FOR WELDING OPERATORS .......................................................... 112
QW-380 SPECIAL PROCESSES ............................................................................................................... 113
ARTICLE IV WELDING DATA .............................................................................................................................. 117
QW-400 VARIABLES ................................................................................................................................... 117
QW-430 F-NUMBERS ............................................................................................................................... 219
QW-440 WELD METAL CHEMICAL COMPOSITION............................................................................ 229
QW-450 SPECIMENS ................................................................................................................................ 230
QW-460 GRAPHICS .................................................................................................................................. 237
QW-470 ETCHING — PROCESSES AND REAGENTS ........................................................................... 281
QW-490 REDESIGNATED AS QG-109 .................................................................................................... 284
ARTICLE V STANDARD WELDING PROCEDURE SPECIFICATIONS (SWPSs) ............................................... 285
QW-500 GENERAL ....................................................................................................................................... 285
QW-510 ADOPTION OF SWPSs ............................................................................................................... 285
QW-520 USE OF SWPSS WITHOUT DISCRETE DEMONSTRATION ................................................... 286
QW-530 FORMS ........................................................................................................................................ 287
QW-540 PRODUCTION USE OF SWPSs .................................................................................................. 287
PART QB BRAZING ............................................................................................................................................. 289
ARTICLE XI BRAZING GENERAL REQUIREMENTS ....................................................................................... 289
QB-100 SCOPE ............................................................................................................................................. 289
QB-110 BRAZE ORIENTATION ............................................................................................................. 289
QB-120 TEST POSITIONS FOR LAP, BUTT, SCARF, OR RABBET JOINTS ........................................ 290
QB-140 TYPES AND PURPOSES OF TESTS AND EXAMINATIONS .................................................. 291
QB-150 TENSION TESTS ........................................................................................................................ 291
QB-160 GUIDED-BEND TESTS .............................................................................................................. 293
QB-170 PEEL TESTS ............................................................................................................................... 295
QB-180 SECTIONING TESTS AND WORKMANSHIP COUPONS ........................................................ 296
ARTICLE XII BRAZING PROCEDURE QUALIFICATIONS ................................................................................. 297
QB-200 GENERAL ....................................................................................................................................... 297
QB-210 PREPARATION OF TEST COUPON .......................................................................................... 301