Threaded flange is a kind of non-welded flange by processing the inner hole of the flange into pipe thread and matching with the threaded pipe to realize the connection.

advantage:

Compared with the flat welding flange or the butt welding flange, the threaded flange has the characteristics of convenient installation and maintenance, and can be used on some pipelines that are not allowed to be welded on site. The alloy steel flange has enough strength, but it is not easy to weld, or the welding performance is not good, you can also choose the threaded flange.

Disadvantages:

When the temperature of the pipeline changes sharply or the temperature is higher than 260ºC and lower than -45ºC, it is recommended not to use threaded flanges to avoid leakage.

Threaded flange
Material: Carbon Steel: ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 L1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65 , F70; Stainless Steel: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8; Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/III

HECHENG CENTURY METAL TECH CO.,LTD.,mainly produces heat-resistant steel casting, wear-resistant steel casting, corrosion-resistant steel casting,
sand casting, centrifugal casting, precision casting, forging, riveting and welding production, machining, heat treatment, final assembly, etc.
Our workshops are equipped with various modern processing equipment, static casting has the production capacity of single castings from 0.5Kg to 8000Kg;
silica sol casting has the production capacity of single castings from 0.05Kg to 500Kg; the production capacity of centrifugal casting is from φ50-φ1600,
and the forging workshop has forging orders The capacity of pieces is 5000Kg; it can be produced according to user's technical requirements.

In order to ensure the excellent performance of the product, it is equipped with complete testing methods such as desktop spectrometer, portable spectrometer,
 pendulum impact machine, non-destructive testing, large-scale water pump test bench, etc.
 The company's physical and chemical laboratory can accurately test C, S, P, Cr at any time , Ni, Si, Mn, W, Mo, V, N and other 24 kinds of elements,
and can carry out a variety of tests such as mechanical properties, physical properties, and auxiliary products. Complete testing methods, quality assurance, and system standardization.

Our company's products are widely used in heat treatment, metallurgical equipment, power equipment, mining equipment, petrochemical equipment, etc.
The main products are:
Furnace accessories: casting tray, cast baskets, casting fixtures, fan wheel, chain belt, muffle tank, heat exchanger, etc.
Sink rollers, stabilizing rollers, support rollers, support arms, cobalt bushes and sleeves for hot-dip galvanizing production lines.
Bottom rollers, radiant tubes, etc. for heat treatment furnaces in plate plants.
Water beam for the roller conveyor (cantilever roller) of the rolling mill walking furnace; the water beam slider for the furnace door, furnace door frame, and steel pushing furnace.

Petrochemical castings, high-temperature alloy furnace tubes, conversion tubes, cracking tubes, cast tube sheets, tube racks, etc.
Heat-resistant steel components used in the sintered pellet production line: such as chain links, grate plates, sprockets, shovel plates, side plates, small shafts, etc.
Calender rolls, flat drawing rolls, turning rolls, annealing furnace bottom rolls, cobalt alloy spinner discs, etc.
The roller ring furnace bottom roller used in the silicon steel plate line, W, U, I type radiant tube.
Cantilever rolls, air-cooled rolls, alignment rolls, spinning guide rolls, etc. for rods and wires.
Continuous annealing for steel pipe factory: hearth roll, straightening roll, sizing roll, two-roll cold rolling die, mandrel, guide plate, piercer roll, etc.

The company has always adhered to the business philosophy of "Sincere Service, Concentrating Customers"
and the quality policy of "pursuing a high starting point, creating zero defects, and satisfying customers."