Materials: Carbon steel,Stainless steel,Alloy steel
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Lap joint flange (simplified as LTF flange) shape is similar to slip on flange, it has a curved radius at the bore, which can connect with a stub end fittings and slide over the pipe. In this form, the pipe is usually welded to this stub end so the lap joint flange can rotate freely around the stub end.
The advantage of this combination that it will be easy with alignment for the bolt hole, easy to install and uninstall, much more convenient to do examinations and maintenance.
Carbon steel: ASTM A105, A350 LF2
Stainless steel: A182 F304/F304L/F316/F316L/F321
Alloy steel: ASTM A182, GR F1, F11, F22, F5, F9, F91
Common Outer Diameters: 1/2” to 24”
Wall Thickness Schedule: SCH 10, SCH 40, SCH 160