40cr black carbon steel

40Cr Alloy Structure Steel - Special steel china supplier

GB 40CR alloy Steel is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality low carbon,Low alloy chromium, molybdenum, nickel case hardening steel. Oil Quenched & Tempered Hardness is 28-34 HRc. GB 40CR steel Annealing delivery hardenss less than 250HB.40CR With a lower carbon content range, So GB 40CR alloy steel have good weldability. Related

40cr carbon steel, 40cr carbon steel Suppliers and

offers 2,241 40cr carbon steel products. A wide variety of 40cr carbon steel options are available to you, such as standard, grade, and processing service. 40cr steel pipe characteristics and the purpose 40cr steel pipe characteristics and the purpose . Size:1/8 to 48 inches Standard:GB/T8163, ASTM A53, ASTM A106, JISG3452, JISG3454, DIN1629, API5L Surface:Oiled or black paint. carbon steel seamless pipe. 2 Standard:API 5L. ASTM A106/53. DIN2448/2458 . 3Base Material:10#,20#,45#,16Mn, ASTM A106 Gr.B, ASTM

China Structural Black Carbon Steel Pipe Suppliers

8162 can be used instead, but not vice versa GB/T(seamless steel tube for structural use).Mainly used in general structure and mechanical structure.Its representative material (brand) :carbon steel 20, 45 steel;Alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, etc. The difference between 45# steel and 40Cr, 42CrMo - Jaway The difference between 45# steel and 40Cr, 42CrMo. 45# is high quality carbon structural steel, carbon content is 0.42-0.50%, with 610 Mpa tensile strength , and yield point is 360 Mpa; 45# steel is widely used in machinery manufacturing, mechanical properties of this steel is

40Cr Steel Equivalent, Mechanical Properties & Chemical

40Cr Alloy Steel. 40Cr steel is a kind of Chinese GB standard alloy steel for engineering and machinery purpose, and one of the most widely used steel grades.For 40Cr material hardness, specifications and equivalent, please see the table below. After quenching and tempering treatment, 40Cr steel

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