Taian Henson Metal Co ltdwww.tahenson.comhsma (at)tahenson. com
High Precision Steel Pipe for Gas spring Cylinder Roughness ≤0.3ra Material E195-E235,Q195-Q235,#10,#20,#45,SAE1010,SAE1020Surface:Black/bright Standard:DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094-2000, GB/T 8163-1999, JIS G3101Size :OD 3mm-140mm Thickness 0.5-20mmProcessing :Cold rolled /cold drawn 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 Woven bag / wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request.
Usage: Gas Spring Cylinder