A 3D pipe bending is a pipe bend that the bend radius is 3 times the pipe outside diameter.
The 5D bend in pipe bending is an accomplishment in pipe manufacturing, and not all pipe companies can provide it.
ELBOWS, 90 DEG. SHORT RADIUS, ALLOY STEEL 1-1/4% CR. +1/2% MO., BUTT-WELDING, SEAMLESS MAT. IN ACC. WITH ASTM-A234 GRADE WP11 DIMENSIONS
There are two standards to which we offers a variety of stub ends to accompany our flanges.
Lap Joint End Ring – Used in lieu of Stub Ends. A ring section c/w chamfered ID for welding to pipe.
Collar is also called stub end is used in place of welded flanges where rotating back up flanges are desired.
Conical Head (also called the tapered tank head) is widely used for vessel bottom or cover plates.
Torispherical Head (also called torispherical dish end or torispherical ends) is widely applied for pressure tanks to storage liquids and gasses.
A hemispherical combustion chamber is a type of combustion chamber with a domed cylinder head.
Ellipsoidal head (also called elliptical head or elliptical dish end) is usually made with Carbon steel, stainless steel, austenitic and non ferritic metals that can be cold worked.