... Cr9Mo Cr5Mo P11 P22 P91 20# 45# 16Mn ST45.8 SA106B SA106C 3)wall thickness: sch5-sch160 XXS4)Size ... column hydraulic press ,Elbow Bent Abrasive tool Bending machine 8)Application: Petroleum, natural gas, chemical , electric power ... Classification Society3)Quality Control: Chemical Analysis, Mechanical Analysis, Testing Machine, Magnetic Particle Inspection, Penetration Testing, Hardness Test, Element ...