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Custom flanges

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1. Size: 1/2”-60” (DN15-1500) or Customized Size

2. Material:

Carbon steel: ASTM A105/SA105N; ASTM A350 LF1; LF2; CL1/CL2, CT20;16MN;  RST37.2;S235JR;P245GH;P250GH;P250GHM; C22.8;Q235;15CrMo

Stainless steel: SS303; SS304/304L; SS316/316L; SS321; SS400;SF440

3. Surface treatment: Plain, anti-rust oil, Zn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, color zinc-plated, blue black zinc-plated, rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing etc.

4. Heat treatment: Normalizing, Annealing, Quenching Tempering

5. Packing: plywood pallet, plywood case or customized.

6. Shape: flange plate;  flange slip on;  flange weld neck;  flange threaded;  flange flat welding ring loose;  flange blind;  flange lining bling;

7. Technology: forged then CNC machining or steel plate stamping

8. Application Range: It is widely used in petroleum, chemical industry, nuclear power plant, food manufacturing, construction, shipbuilding, papermaking, medicine and other industries.

9. Service: Customized OEM

10. Certificate: ISO9001-2015;  PED and CE certificate

11. Export to: USA, Canada, Chile, Peru, Mexico, Brazil, Australia,Germany, France, Italy, England,   Netherlands, Algeria, South Africa; Dubai, Bahrain, Korea,  Singapore, Indonesia, Oman, Vietnam etc


Quality control:

1. Tolerance: according to the drawing or to be negotiated, the defective products rate is less 0.1%.

Sample and pilot run will be given 100% inspection during production and before shipment, Sample check for mass production according to EATHU ISO standard or customer requirements.

2. Test equipment: Spectrum Analyzer, CMM, Hardness test equipment, Tension test machine;

3. After-sales services are available.

4. Quality situation can be traceable.


Tooling & Mould:

1. MOQ: to be negotiated  

2. Sample: Available

3. Delivery: to be negotiated


We usually do bushiness, like this step:

* You send us your drawing or sample

* We carry through project assessment

* We give you our design and quotation for your confirmation

* We make the sample and send it to you after you confirmed our offer

* You confirm the sample then place an order and pay us 30% deposit

* We start producing

* When the goods is done, we start the shipment and you pay us the balance after received the bill of lading copy.


All the non-standard/OEM flange photos on the website are just to show our manufacturing capabilities and product range. We can design and manufacture non-standard flanges according to different needs of customers. We believe that more than 20 years of professional experience to provide you with the best service.

+86 13210153062

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