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ER80S-D2低合金焊絲高強鋼焊絲氣保焊絲
西安駿焊專業銷售進口低合金焊絲 高強鋼焊絲 低溫鋼焊絲等特種進口焊接材料
MIDALLOY ER80S-D2 Bare WELDING WIRE CLASSIFICATION ? AWS 5.28 Class ER80S-D2 / ASME SFA 5.28 Class ER80S-D2 DESCRIPTION ? MIDALLOY ER80S-D2 welding wire is a bare wire, used for GMAW and GTAW welding. APPLICATION ? MIDALLOY ER80S-D2 welding wire is designed for the gas metal arc welding and gas tungsten arc welding when moderately high strength and good sub-zero toughness is needed in the PWHT condition. ? Preheating and interpass temperatures of not less than 300°F must be used during welding. TYPICAL CHEMISTRY C Mn Si Cr Mo P S Cu .09 1.75 .70 .05 .47 .010 .012 .15 TYPICAL MECHANICAL PROPERTIES TENSILE STRENGTH 84,000 PSI YIELD STRENGTH 71,500 PSI ELONGATION 19% IMPACT STRENGTH @ -20°F 35 ft. lbs. Note: Mechanical Properties of welds are greatly influenced by preheat inter-pass temperature, heat input, and PWHT. RECOMMENDED WELDING PARAMETERS PROCESS DIA. OF WIRE AMPERAGE VOLTAGE GAS/FLUX GTAW (TIG) 1/16” 3/32” 1/8” 50-120 120-200 150-220 7-13 10-16 12-18 Ar Ar Ar GMAW (MIG) SHORT ARC .035” .045” 1/16” 90-160 120-200 - 14-20 16-20 - CO2 CO2 or 75 Ar / 25 CO2 CO2 or 75 Ar / 25 CO2 GMAW (MIG) SPRAY TRANSFER .035” .045” 1/16” 180-230 250-350 280-400 25-28 25-30 26-36 98 Ar / 2 O2 75 Ar / 25 CO2 75 Ar / 25 CO2 STANDARD PACKAGE ? TIG 50 lb. carton ? MIG 33 lb. spool
