Spiral welded pipe equipment

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1.Special design available according to requirement
2.anti-corrosion and high-temperature resistant with black painting

Packaging & Delivery

Packaging Detail:	According to the contract or the standard export packing.
Delivery Detail:	5-8 months

Specifications

technical:spiral steel pipe
out diameter:219-2220mm
thickness:Sch5-Sch160XXS
standard:ANSI,ASME GB, SH,HG, MSS,JIS,DIN, AP

Type	spiral steel pipe
Size	219mm-2220mm
Wall thickness	Sch5-Sch160XXS
Standard	ANSI,ASME GB, SH,HG, MSS,JIS,DIN, API
	Q235,Q345,API 5L GRB. X42-X65 and so on
Packaging	painting black, cap, In bundle.
Applications range	petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, gas metallurgy, shipbuilding, construction, etc.
Min Order Quantity	20 tons
Delivery Time	According to customer's requirement
Quality	First grade
Productivity	1000000
Others	1.Special design available according to requirement 2.anti-corrosion and high-temperature resistant with black painting 3. All the production process are made under the ISO9001:2000 strictly.

Q:What is the surface rolling forming machine process?: Due to the rolling surface of metal plastic deformation, so that the surface microstructure of cold hardening and grain refinement, forming a dense fibrous, and the formation of residual stress, hardness and strength, so as to improve the surface wear resistance, corrosion resistance and compliance.

Q:Improvement in rolling forming process: The rolling will produce a hardening layer on the surface of the workpiece. This layer has obvious delamination phenomenon with the internal material, which is easy to cause the surface layer to fall off;

Q:A roll forming machine, rolling out of the length is always not up to a fixed size, not too small, that is, more than that, what is the cause?: Yes, the width of the bearing plate can be a deviation from the length.

Q:What kind of material and what heat treatment are used for pressing roller (molding, feeding, cutting force, heavy load, heavy load) of sheet steel rolling machine?: Non bonding wear of rolled material (especially stainless steel strip, etc.)

Q:Process mould for rolling forming process: Press forming is an advanced processing technology, and its remarkable characteristics have been paid attention to by the automobile industry at home and abroad.

Q:What is rolling forming processing?: A special rolling tool is used to exert certain pressure on the surface of the workpiece so as to make the surface metal flow.

Q:Material and equipment for roll forming process: Rolling process is a cold forging process, which can be used for rolling and forming a lot of materials. Among them, low carbon steel is a material commonly used in rolling forming, and non-ferrous metal is more suitable for roll forming.

Q:Introduction of roll forming process: With the progress of technology and the development of production, more and more attention has been paid to the roll forming process.

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