Quality carbon structural steel: 10#
Executive Standard: (GB/T699-1999)
● Features and Scope: low mechanical strength, ductility, toughness, cold forming molding condition is easy, easy machining, welding performance is good, to improve the surface hardness of carburized and cyanide can be handled. Used in low intensity manufacture of welding, cold extrusions, forgings and carburizing parts, such as bolts, washers, separators, shell.
● Chemical Composition:
C: 0.08 ~ 0.13, Si: 0.15 ~ 0.35, Mn: 0.30 ~ 0.60, S: ≤ 0.030,
Executive Standard: (GB/T699-1999)
● Features and Scope: low mechanical strength, ductility, toughness, cold forming molding condition is easy, easy machining, welding performance is good, to improve the surface hardness of carburized and cyanide can be handled. Used in low intensity manufacture of welding, cold extrusions, forgings and carburizing parts, such as bolts, washers, separators, shell.
● Chemical Composition:
C: 0.08 ~ 0.13, Si: 0.15 ~ 0.35, Mn: 0.30 ~ 0.60, S: ≤ 0.030,
P: ≤ 0.030, Cr: ≤ 0.20, Ni: ≤ 0.25, Cu: ≤ 0.25
● Mechanical Properties:
Tensile strength σb (MPa): ≥ 335 (34)
Yield strength σs (MPa): ≥ 205 (21)
Elongation δ5 (%): ≥ 31
Reduction of area ψ (%): ≥ 55
Hardness:
No heat treatment, ≤ 137HB
Sample size: 25mm
Heat treatment specifications: normalizing, 930 ℃
Microstructure: ferrite + pearlite
● Mechanical Properties:
Tensile strength σb (MPa): ≥ 335 (34)
Yield strength σs (MPa): ≥ 205 (21)
Elongation δ5 (%): ≥ 31
Reduction of area ψ (%): ≥ 55
Hardness:
No heat treatment, ≤ 137HB
Sample size: 25mm
Heat treatment specifications: normalizing, 930 ℃
Microstructure: ferrite + pearlite