High Quality rolled Flange
- Qingdao Lianyun Port
- T/T L/C D/P D/A
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Product Details
Size | DN10~DN4000, DN400-2000 | Material | Carbon Steel | |
Standard | GB | Place of Origin | Henan, China | |
Model Number | DN400-2000, None/As your order | Brand Name | CHANGTONG | |
Standard or Nonstandard | Standard |
Product Description
Specifications
Welding Steel Flange1,Q235B
2,Hot rolled
3,Compact structure,high strength,high precision
4,ISO/TS16949&AAA Credit Grade
ChangTong Technology Co.,Ltd
- China's largest production base of flange blank
- China's patented invention enterprise of hot rolled machine and hot rolled process of flat welding flange
- China's first manufacturing enterprise producing flange blank by using hot coiled process of flat welding flange
- China's manufacturing enterprise of flange blank with highest process precision, fasted process speed and highest yield.
- Newest development achievement :Successful development and production of "the raised face flange blank".
Our company is specialized in stainless steel steel products manufacturer, has many years of experience, professional and technical personnel, enthusiastic service attitude, make our products sell well both at home and abroad.We can be customized for clients spcial specification and special material products.The exact information about High Quality rolled Flange as follows :
Welding steel flange (Q235B 20# 16Mn)ChangTong Brand
Standard | GB |
Types | Flat welding flange |
Pressure class | PN 0.25-2.5MPa |
DN | 400-2000mm |
Material | Q235B 20# 16Mn |
Packing | Wooden cases, wooden pallet, plastic bag, plywood case, or as per customers requirement |
Payment term | T/T |
C | Si | Mn | S | P | |
% | 0.14~0.22 | ≤0.3 | 0.30~0.65 | ≤0.05 | ≤0.045 |
Yield point N/mm2 | Elongation % |
|
≥225 | ≥25 | 375~500 |
Welding steel flange drawing
Production process flow
Traditional flange manufacturing faults:
1 processing crude, error of geometry size is big, increasing manpower and machineing cost, reduces the yield.
2 The production efficiency is extremely low. Parts manufacturer has adopt the method of cold rolledto make flange blank, while the production efficiency is improved, but the head and tail of straight line segments cannot be ruled out,Only cuting off the straight line , and this waste material head increase, cannot make full use of raw materials, but also increased the cost of production. and only rolled one at a time , the efficiency is still low.
Our company advantage:
The company has independent research and development with independent intellectual property rights of the patent and technology -Flat welding flange hot roll machine, Flat welding flange thermal volume process ,To improve the original production line,hot rolling and hot coil can be finished at one time.
The hot coil process of flat welding flange compared to the production process of traditional flange has the following significant advantages:
(1)hot rolling and hot coil can be finished at one time,stable quality;
(2)Multi-turn coil,fast speed,high efficiency;
(3)High process precision,good flatness,high yield;
(4)According to customer demand,adjust its specification;
(5)Save raw materials,solve the problem about line segments of head and tail,improve the utilization of raw materials,new product research and development of raise face flange compared with the traditional process,saving about 24% of raw materials;
(6)Saving energy and reducing consumption compared to the new and traitionl process,the production of per ton of flanges can save 60% coal consumption and 40% electricity consumption.
Contact Us
- Chang Tong Technology Co., Ltd.
- Contact nameLeo Zhang Chat Now
- Phone0086-371-60328600
- Address14/F, Entrepreneurial Service Center, Yongan Road
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