углеродистой стали локоть

elbow 1. Name:elbow (90 degree LR ror SR,45 deg LR or SR, 180 deg LR or SR or any other specailly deg) 2. Size:form 1/2" up to 48" or any specially for you order 3. Material:carbon steel.alloy steel, stainless 4. WH: sch 10, sgp,std,sch20,sch 40,sch 80,sch 160,xxs 5. Standard: ASTM WPB A234,JIS 2311,2312, DIN,GOST,GB,KB 6. Surface treatment: Black paint, varnish, rust-proof oil, hot galv. 7.Application:Prtroleum, chemical, power, gas,metallurgy,construction We are a manufacturer of B.W. pipe fitting,such as elbow, flange and tee. The above item is a very common-uesd Tee.Nearly every mill of pipe fitting can produce.But capability of manufacturing is not the key to make the customer sastified.The capability of quality-controlling shows the importance. In order to make every piece of products in good quality, Tianlong Co., invested USD185000.00 to build professional testing laboratory and trained a team of technicians.So, the metallographical examination,chemicial composition, mechnical properties,hardness and all out-side measurements will be carefully checked and well-controlled.