Brand Name

CK

The standard we can provide as below:

1. American standard ANSI B16.5/API605,6A,6B/MSS SP44/AWWA C207

2. German standard DIN2527/2528/2561/2565/2566/2573/2576

          /2627/2630/2641/2642/2655/2656/2673/86029/86030

3. British standard BS4504 PN16/PN40,BS10  TABLE E/TABLE D

4.Japan standard JIS/KS 5K, 10K, 16K, 20K, 30K

5.Italy standard UNI2253/2254/2276-2278/2281-2284/6083/6084/6089-6093

6. Russia standard GOST12820,12821

7.Chinese standard Machinery department standard20593 ect.竊�/span>Chemical industry

 Department standardJB81-94 ect.

8. Non-standard according to drawing size from

 10MM-5000MM竊�/span>weight from0.5K to 30 tons

The material and Grade竊�/span>

1.Carbon steel竊�/span> ASTM A105 A350LF2 LF3 A694 A36ETC Q235 A3 20# 45# 20Mn 16Mn Q345   50Mn etc.

2.Stainless steel竊�/span>  316 304 304L 316L 321 317 F51 F53 0Cr18Ni9, 0Cr17Ni12Mo2, 0Cr18Ni11Ti etc.

3.Alloy steel竊�/span>F11 F22 15CrMo 30CrMo 35CrMo 40CrMO 42CrMo 4130 4140 8630 etc.

Types of flanges竊�/span>

Slip-on竊�/span> flat竊�/span>plate竊�/span>welding neck竊�/span>blind竊�/span>lap joint竊�/span>threaded竊�/span>socket welding竊�/span>flat with collar竊�/span>butt welded竊�/span>rubber flange, spectacle blinds竊�/span>notch flange竊�/span>loose flange竊�/span>flange root竊�/span>long welding neck 竊�/span>reducing flange and Etc. The surface treatments include oil against rust, yellow painting, black painting, grey painting, nylon coating and zincification.