5.tstandard..ASME B 16.5
7.tcoating..yellow paint or black paint or as your request
3.tISO,ASME CRN and PDE certificates
Product Specification / Models
1. Cutting: material is cool cut or saw cut.
2. Forging: after heating up, all material blocks are free forged, die forged or ring rolled according to their size.
3. Heat Treatment: We have 6 sets of electric shaft furances,3 sets of high-temperature, car type electric furnaces, and can do normalizing treatment and drawing temper.
4. Machining: Rough parts are machined by engine lathe and digital lathe according to the size, flange type and tolerance requirement.
5. Drilling: The semi-finished-products are drilled.
6. Surface treatment: Die-stamp, wash, paint, oil or galvanize flanges according to the customers' requirement.
7. Packing: Pack the flange as requested
we are a professional flange manufacturer located in "forged county" China,we can produce all kinds of standard and nonstandard flange with different materials such as A105,C22.8,RST37.2,F304,F316...........Our products have a good reputation with high quality and compeptitive price all over the world.