Theoretical weight formula of spiral tube :

(outer diameter - wall thickness) * wall thickness *0.0246615= weight per meter (kg/m)

 Tianjin Emerson Commercial and Trade Co.,Ltd has large stocks for the carbon steel and low alloy steel plates and sheets, especially have the thick plate and heavy plates on stock, also can provide the special material and large size steel plates, boiler and pressure vessel steel plate, marine steel plate, hot rolled steel plate for new production.

Tianjin Emerson hopes to build good cooperation with everyone interested.

1.How long can make delivery?
For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C; for products need new production for common materials, usually make shipments in 15-20 days; for products need new production for special and rare materials, usually need 30-40 days to make shipment.
2. Will the Test Certificate be certified to EN10204 3.1?
For the new production products no need furthur cutting or processing, will provide the Original Mill Test Certificate certified to EN10204 3.1; for the stock products and the products need cutting or furthur processing, will issue Certificate of Quality on our Company, It will show the original mill name and the original datas.
3. Once the received products found not comply with the products the contract demands, what will you do?
Once the received products found not comply with the products the contract lists, when receiving the pictures and the official documents and data from your side, if it is proved not comply, we will compensate the loss at first time.