Product Name | Cold drawn Precision Tubes (Cold Rolled Precision Tubes) |
Size | OD 3-140mm, Thickness 0.5-20mm ,Length 3m/6m/12m Size can be customized |
Surface | Black/bright |
Standard | JIS G3445/DIN2391/ASME/ ASTM SA/A519/EN10305-1ISO8535-1 |
Materials | STKM 11A, STKM 12A, SKTM13A,STKM 12B, STKM 12C, 4130,4340,4140,E215, E235,E255 E335, E355,SCM420,SCM440,SCM430 ,SCM415,SCM4118,SAE1010,SAE1020,SAE1045 ,Q195,Q235,Q345B,16Mn,ST35, ST37.4,ST52,A106A,A106B.A106C,A179 10#,20#,45#,CK45,S45C,S355j2,55#,20Cr,40Cr,15CrMo,20CrMo,30CrMo,35CrMo,42CrMo, D6AC Ect |
Application | Boiler tube , Fluid tube, Hydraulic tube, Damper tube ,Structure tube ,Mechanical and Automobile tube ect |
Delivery Condition | Delivery Condition 1. BK (+C) : No heat treatment after last cold forming process. 2. BKW (+LC) : After last heat treatment there is a light finishing pass (cold drawing) 3. BKS (+SR): After the final cold forming process the tubes are stress relieve annealed. 4. GBK (+A): After the final cold forming process the tubes are annealed in a controlled atmosphere. 5. NBK (+N):After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. |
Contact me | Tel/whatsapp/wechat 008618653805949 Email:Jessica@sdlemk.com |