The main rivet material used for riveting aluminum alloy parts processing structure has low strength after quenching and natural aging, but has high plasticity and good process performance, the same weldability, good cutting performance and low corrosion resistance. Widely used as medium strength and working temperature
Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting.
The long tapered hub provides an important reinforcement for use in several applications involving high pressure, sub-zero and / or elevated temperatures. The smooth transition fromFlange thickness to pipe or fitting wall thickness effected by the taper is extremely beneficial, under conditions of repeated bending, caused by line expansion or other variable forces.
These Welding Neck Flange are bored to match the inside diameter of the mating pipe or fitting so there will be no restriction of product flow. This prevents turbulence at the joint and reduces erosion. They also provide excellent stress distribution through the tapered hub and are easilyradiographedfor flaw detection.
This Welding Neck Flange will be welded to a pipe or fitting with a single full penetration, V weld (Buttweld).
Aluminum alloy parts processing is the most widely used rust-proof aluminum. Its strength is not high, it can not be heat-treated and strengthened. It has high plasticity in the annealed state, good corrosion, good weldability and poor machinability. Used in the manufacture of low-load parts such as fuel tanks, oil pipes, liquid containers, etc. that require high plasticity and good weldability, working in liquid or gaseous media; wire can be used to make rivets. High corrosion resistance and good welding performance. Thermal conductivity and electrical conductivity are much lower than pure aluminum. It can be strengthened by cold deformation processing without heat treatment strengthening.
Suitable for welding structural parts. The magnesium content of aluminum-magnesium rust-proof aluminum is slightly higher than the strength, the heat treatment can not be strengthened, the plasticity in the annealing state is high, the semi-cold is hardened and the plasticity is medium, the welding performance is still good, and it is used for making welded parts, pipes and working in liquid. Containers and other parts. It has high strength and corrosion resistance, and the plasticity is good under annealing and extrusion. The weld tightness and plasticity of argon arc welding are acceptable. Good machinability. Used for welding containers, stressed parts, aircraft skins and skeleton parts.
It is a non-heat-treated reinforced aluminum alloy with a certain strength, good corrosion resistance and machinability. After anodizing, the surface is beautiful and can be processed into optical mechanical parts, ship parts and wire clamps. The strength is relatively high, the plasticity and corrosion resistance are high, the heat treatment can not be strengthened, the weldability is good, and the machinability in the cold work hardening state is good, and the polishing can be performed. Used to make medium strength weldments, cold stamped parts and containers that work in liquids.
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