Carbon Steel St20 A32112821 12820 Gost/ANSI B16.5 Flange
Carbon steel st20 a32112821 12820 gost/ANSI B16.5 Flange
Ronsco steel 12821 12820 gost st20 a321 flange
This kind of flange is made of steel,and stainless steel,and carbon steel,we have all main standards in the world,you can find what you want in our factory.the measurement from dn 40 to dn 2000.
the measurments:
Our advantage
1. Using the resin sand and coated sand casting technology
2.Add the tempering procedure before entering the processing workshop,
3.Use the CNC lathe and pipeline during the whole process.
4.The disc sealing surface use plasma welding machine welding.
5. Every valve must be tested before being sent out of the factory, only qualified ones can be shipped.
contact us.
A: We do sell tubing on an individual basis however there is a $50 "broken box" fee applied to any order less than an entire case.Since we don't offer a way to order individual tube pieces online please call us to place an order over the phone.
A: Yes, our tubing comes in standard 20 foot lengths and will need to ship via freight. I'd also like to mention that there is a broken box charge meaning that if you do not order an entire box of tubing you will be charge additional fees as such. For more information please contact us. Thanks.
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