Q235 Q345 Channel Beams

Q235 steel is a carbon structural steel. It is equivalent to A3 and C3 steel in the old standard GB700-79 grade, which is the grade of Russian TOCT. The Q in the steel number stands for yield strength. Under normal circumstances, the steel is used directly without heat treatment. Q345 is a type of steel. Is a kind of low alloy steel, widely used in Bridges, vehicles, ships, buildings, pressure vessels, special equipment, etc., where "Q" means yield strength, 345 indicates that the yield strength of this steel is 345MPa.

Products Description

Uses of Q235

Not only does Q235 possess toughness, weldability, and excellent plasticity, it retains strength while offering outstanding cold-bending performance. It is perfect for welded structures, including factory buildings, steel bars, towers, boilers, bridges, containers, vehicles, and more. Q235 can also be used as mechanical parts, such as stands, stressed rods, nuts, connecting rods, brackets, and other components. Q235 and varying grades of steel plates can be cut to specification.

Q235 Physical Properties

Physical Properties	Metric	US/Imperial
Density	7.85 g/cc	0.284 lb/in³

Q345 Mechanical Properties

Mechanical Properties	Metric	US/Imperial
Hardness, Brinell	135	135
Hardness, Rockwell B	74	74
Tensile Strength, Ultimate	450 MPa	–
Tensile Strength, Yield	345 MPa	–
Elongation at Break	18 %	18 %
	21 %	21 %
Bulk Modulus	160 GPa	23200 ksi
Shear Modulus	80.0 GPa	11600 ksi

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Product Details

Product Name	Q235 Q345 channel beams
Length	As your required
Standard	ASTM/ GB/ JIS/ EN ect.
Delivery Time	According to your quantity
Payment Terms	FOB/ CIF/ EXW/ DDP
Origin	China
Sample	Yes
Tolerance	±0.3
Packing	Packed with steel belts tightly, in bundle

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