SBK1 Series
SKB1 series materials are high quality nitrided steel 38CrMoAL, SCM645
Nitriding insulation 505 ° C 38 hours, 550 ° C 34 hours
Nitrided layer depth: 0.48mm or more on one side
Nitrided layer hardness: HV960 or more
Straight line length is less than 0.06 per meter
Hole in the production range of the pipe (φ14-φ250) length 5000mm
