Manual do usuário Lincoln Electric Lincolnweld 888

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SUBMERGED ARC
®
™
Lincolnweld 888
®
Lincolnweld 888™ is a basic flux designed for joining mild steel and low alloy
steels for critical applications that require excellent mechanical properties with
robust low temperature fracture toughness. 888™ is designed to be used for
as welded and stress relieved applications.
It has optimal slag removal in deep groove and narrow gap applications. 888™
is designed to give robust cap pass impact toughness and is engineered to
handle multiple arc applications

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MECHANICAL PROPERTIES – Welded per AWS A5.17 (Carbon Steel Electrodes) Yield Tensile Strength Strength Elongation Charpy V-Notch AWS Class per Wire Weld Condition ksi (MPa) ksi (MPa) (%) ft•lbf (J) @ ºF (ºC) AWS A5.17 L-50 As-welded 62 (430) 78 (540) 31 90 (122) -80º (-62º) F7A8-EM13K-H4 L-50 Stress-relieved 53 (370) 74 (510) 32 138 (187) -80º (-62º) F6P8-EM13K-H4 L-56 As-welded 74 (510) 88 (610) 29 52 (71) -80º (-62º) F7A8-EH11K-H4 L-56 Stress-relieved 59 (410) 79 (540) 32 87 (118) -80º (-62º)