CT20 Flange St.20 GOST 33259-2015 Flat flange RF carbon steel flange
Material | Carbon steel: Q235A, Q235B,Q345BC22.8, ASTM A105, SS400 |
Alloy steel: ASTM A694,F42,F46, F52,F56, F60, F65, A350 LF2 , | |
Stainless steel: ASTM A182 F1, F5, F9, F22, F91, 310/F304/304L/F316/F316L, F321, F347. | |
Surface treatment | Galvanized(hot,cold),varnish Method rust oil Plastic spraying |
Application Fields | Chemical Industry /Petroleum Industry /Power Industry/Metallurgical Industry Building Industry /Ship-building Industry |
Packing | plywood cases, pallets, nylon bags or according to the customers' requirements |

These flat welding flanges are GOST33259,GOST12820,GOST12821,BS4504, ASME B16.5 flat welding flange, ASME B16.47 flat welding flange, DIN 2634 flat welding flange, DIN 2635 flat welding flange, DIN 2630 flat welding flange, DIN 2636 flat welding method Flanges, DIN 2631 flat welding flanges, DIN 2637 flat welding flanges, etc. Flanges are parts that connect pipes to each other and are connected to pipe ends. There are holes on the flange, and bolts make the two flanges tightly connected. Gaskets are used to seal between flanges. Flat welding flanges are suitable for steel pipe connections with a nominal pressure not exceeding 2.5MPa. The sealing surfaces of flat welding flanges can be made of smooth, concave-convex and tongue-and-groove types.
Size
Flat welding flange: 3/8"~40"
DN10~DN1000
Pressure
American series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400


We have strict quality control system.
Our quality control department will test from the material to production line, packing line, shipping line.
So Please rest assured that the quality will be good and stable.


Packaging:
1. Plywood pallet
2. Plywood case
3. According to customer's requirements
Shipping:
We could ship by sea, by air, and for small goods we could ship by express






HEBEI CANGRUN PIPELINE EQUIPMENT CO., LTD.
Our company has strong technical force. With complete production equipment, it has more than 120 sets of production equipment, including 8000 tons of four column press, 1600 tons of pushing machine, 800 tons of large pipe bending machine and 8 tons of forging hammer. It can produce valves, flanges, elbows, elbows, tees, crosses, reducers, pipe caps, sockets and other pipe fittings and extension products of all specifications of carbon steel, alloy steel, stainless steel, pipeline steel, low-temperature steel and other materials according to domestic and international and industrial standards, We adhere to quality first, customer first, is our purpose.
1. What about your MOQ ?
MOQ is one piece, we can offer sample for free, customer just pay the transport charge.
2.What is the average lead time?
For samples, the lead time is about 7 days.
For mass production, the lead time is 20-30 days after receiving the deposit payment.
The lead times become effective when (1) we have received your deposit, and (2) we have your final approval for your products. If our lead times do not work with your deadline, please go over your requirements with your sale. In all cases we will try to accommodate your needs. In most cases we are able to do so.
3.What about payment term ?
You can make the payment to our bank account, Western Union or PayPal:
30% deposit in advance, 70% balance against the copy of B/L
If any questions feel free to contact us directly.
Welcome to contact us if any inquiry. Hope to start long-term good business.