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Brand: TORICH
Standard: Gb, Astm, Din
Section Shape: Round
Application: Fluid Pipe, Boiler Pipe, Chemical Fertilizer Pipe, Structure Pipe
Certification: Ce
Tolerance: ±10%
Category: Seamless Steel Pipe
OD: 21.3mmAccording to customer requirements
WT: 0.5-45mm,According to customer requirements
Length: 12M, 6m, According to customer requirements, 1-12m,According to
Grade: 10#,Q235,Q345C,A53A19Mn5,GR.1,GR.B,etc
MOQ: 2 Ton
Transportation: Ocean,Land,Air
Place of Origin: CHIAN
Supply Ability: 5000Ton per year
Certificate: ISO9001
Port: SHANGHAI,NINGBO,TIANJING
Payment Type: T/T,D/P,L/C,D/A,Paypal,Others
Incoterm: FOB,CFR,CIF,EXW,FCA,FAS,CPT,CIP,DEQ,DDP,DDU,DAF,Express Delivery,DES
SA210 A1 Carbon Steel Seamless Heat Exchanger Rifled Boiler Tube
Application for rifled tube:
The internal thread pipe is also called dry steam pipe, internal rib pipe or internal fin pipe.
In the central air conditioner, it is mainly used in the dry evaporator. During heat exchange,
who outside the pipe is cooled by the evaporating and expanding refrigerant in the pipe;
It is also used in domestic and commercial air conditioning heat exchangers or high heat pipes.
The internal surface area per unit length of internally threaded pipe is 1.5 ~ 2 times that of ordinary
smooth copper pipe, and its heat transfer coefficient is 1.5 ~ 2.4 times that of smooth copper pipe of
the same specification. The flow resistance of the carrier is only increased by 3-5%, which can save
energy by 20-35%, and the weight of the air conditioner suitable for refrigeration is reduced by 10-25%.
The two most critical processes in the production process of rifled tube:
1. Thread rolling. The design and manufacture of embossing roll is the core technology of
welding forming. The unscientific design of embossing roll will lead to uneven deformation
of copper strip, periodic welding defects and shorten the service life of roll.
2. High frequency welding. The linear speed of high-frequency welding is very fast, generally
the average speed is about 150m / min. such a fast processing speed puts forward higher requirements
for the accuracy of extrusion and guide rollers. Among the copper tubes used in the world's air conditioning
and refrigeration industry, > welded tubes account for a small proportion. In addition to the obstacles to the
traditional understanding of welded pipes, one of the important reasons restricting the promotion of welded
pipes is the high cost of raw materials (copper strip). At the same time, due to the difficulty of this process
technology, it is still in the development stage.
Quick Detail:
Origin | china |
Brand | TORICH |
Material | 10#,20#,45#,Q235,Q345,Q195,Q215,Q345C,Q345A,etc |
OD | According to customer requirements |
WT | According to customer requirements |
Alloy Or Not | Non-Alloy |
Application | Medical equipment,Table wares,Construction,Kitchen utensils,Chemical industry,etc |
Delivery Time | Within 7 days, According to the quantity ordered by the customer. |
Packing | Standard Seaworthy Package,according to customer requirements |
Product Categories : Seamless Steel Tubes
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.