Q345 Carbon Steel Plate

Q345 steel is a low alloy high-strength structural steel commonly used in fields such as construction, bridges, aerospace, mechanical manufacturing, petroleum drilling, chemical equipment, etc. It is a commonly used steel in China, using the grade Q345 and complying with the national standard GB/T 1591-2008.

Standard: ASTM, GB, DIN, BS, EN, JIS

Categories: Carbon Steel, Carbon Steel Plate/SheetWidth: 1000mm, 1219mm, 1250mm, 1500mm, 1800mm, 2000mm, 2500mmLength: 1000mm~6000mmThickness:

Product Name	Q345 Carbon Steel Plate
Standard	ASTM,AISI,DIN,EN,BS,GB,JIS
Grade	ASTM/ASME: A36, A283, A285, A514, A516, A572, A1011/A1011M
	GB: Q195, Q235/Q235B, Q255, Q275, Q345/Q345B, Q420, Q550, Q690
	JIS: SS400, G3131 SPHC, G3141 SPCC, G4051 S45C, G4051 S50C
	AISI: 1018, 1020, 1045(SAE: 1010, SAE 1020, SAE 1045)
Technique	Hot rolled / Cold rolled
Type	Mild steel / Medium carbon steel / High carbon steel
Surface	Coated
Processing	Welding, Cutting, Bending, Decoiling
Delivery time	10-30 days subject to the clients' requirement and quantity
Package	clients' requirement and Standard export sea-worthy packing
MOQ	1 ton

Available Size Range

Dimension	Range
thickness	0.5-300mm
Width	1000mm, 1219mm, 1500mm, 1800mm, 2000mm, etc. or customer's request
Length	1000mm~6000mm, or as customer's request

Chemical Composition

		Chemical Composition (≤%)
Steel Grade	Quality Grade	C	Si	Mn	P	S	Cr	Ni	Mo	Cu	Ti	N	Nb	V	B	Al, ≥
Q345	Q345A	0.20	0.50	1.70	0.035	0.035	0.30	0.50	0.10	0.30	0.20	0.012	0.07	0.15	–	–
	Q345B				0.035	0.035										–
	Q345C				0.030	0.030										0.015
	Q345D	0.18			0.030	0.025
	Q345E	0.18			0.025	0.020

Physical Properties

Density: 7.85 g/cm3 (0.284 lb/in3)

Melting point: 1450-1530 °C (2640-2800 °F)

Application

Q345 steel has high strength, excellent weldability, cold & hot workability and certain corrosion resistance. It is widely used in bridges, ships, boilers, pressure vessels, petroleum storage tanks, lifting transport machinery and other high-load welded structural parts.