Name: China Structure Q345 Mild Steel Round Bar Manufacturers Suppliers Factory - Free Sample - Gnee Steel
Brand: GNEE
SKU: 251551306

Description

Technical Parameters

Structure Q345 Mild Steel Round Bar

Hot Rolled Carbon Structural Steel Round Bar Products Description

Q345 carbon steel round bar is a kind of steel with high strength, good plasticity and toughness. It is a steel with good comprehensive mechanical properties. It is mainly used for parts with large loads, small cross-sections, large cross-sections, and low stress.

Q345 low carbon steel round bar has good machining and welding properties, can be used in high temperature and high pressure environments, and has good wear resistance and fatigue resistance.

Q345 structural steel round bar is not only used in various industrial fields such as automobiles, machinery, and construction, but also in other fields such as aerospace, ships, and nuclear power.

Structure Q345 Mild Steel Round Bar Products Details

CHEMICAL COMPOSITION OF Q345 SERIES STEEL:

Materials	C	Si	Mn	P	S	Ni	Cr	Cu:	V
Q345A	0.12-0.2	0.20-0.6	1.00-1.6	≤0.045	≤0.045	≤0.3	≤0.3	≤0.2	0.02-0.15
Q345B	0.12-0.2	0.20-0.6	1.00-1.6	≤0.04	≤0.04	≤0.3	≤0.3	≤0.2	0.02-0.15
Q345C	0.12-0.2	0.20-0.6	1.00-1.6	≤0.035	≤0.035	≤0.3	≤0.3	≤0.2	0.02-0.15
Q345D	≤0.18	0.20-0.6	1.00-1.6	≤0.03	≤0.03	≤0.3	≤0.3	≤0.2	0.02-0.15
Q345E	≤0.18	0.20-0.6	1.00-1.6	≤0.025	≤0.025	≤0.3	≤0.3	≤0.2	0.02-0.15

MECHANICAL PROPERTY OF Q345 SERIES STEEL:

Materials	Tensile strength, Mpa	Yield strength, Mpa	Elongation
Q345A	490-675	≥345	≥21
Q345B	490-675	≥345	≥21
Q345C	490-675	≥345	≥22
Q345D	490-675	≥345	≥22
Q345E	490-675	≥345	≥22