Q235 Q345 Alloy Steel Plate 6-80mm Thickness 1600-3200mm Width for Ship Building Applications

Name: Q235 Q345 Alloy Steel Plate 6-80mm Thickness 1600-3200mm Width for Ship Building Applications
Brand: ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD

Price Negotiable

Price: 800 - 9000 USD / ton

MOQ: 5T

Delivery Time: 60-75days

Brand: HDT

Product Description

Q235 Q345 Alloy Steel Plates for Ship Building Applications

High-quality cold rolled and hot rolled alloy steel plates manufactured to GB, ASTM, EN, and JIS standards for shipbuilding and industrial applications.

Q345B/C/D/E Specifications

Standard: GB
Thickness: 6-80mm
Width: 1600-3200mm
Length: 6000-14000mm
High quality with competitive pricing

Mechanical Properties

Grade	Thickness (mm)	Test Temperature (°C)	Elongation (%)	Proof Stress (MPa)	Tensile Strength (MPa)
Q345A	≤16	-	21	345	470-630
Q345B	≤16	20	21	345	470-630
Q345C	16-35	0	22	≥325	470-630
Q345D	35-50	-20	22	≥295	470-630
Q345E	50-100	-40	22	≥275	470-630

Q345 alloy steel plate product sample showing metal surface and dimensions

Product Series and Standards

Product Series	Executive Standard	Grade	Class	Thickness (mm)	Delivery State
Low-alloy structural steel	GB/T 1591-2008 GB/T 3274-2007	Q345	A,B	6~150	AR
		Q345	C,D	6~150	CR
		Q345	E	6~150	TMCP
Low-alloy structural steel	GB/T 28410-2012	Q235FT	B,C,D,E	5~150	AR,CR
Low-alloy structural steel	EN 10025-4:2004	S275M/ML S355M/ML S420M/ML S460M/ML	-	6~60	TMCP
Low-alloy structural steel	JIS G3106:2008	SM400 SM490	A,B,C	6~150	AR,CR

Chemical Composition (WT%)

Grade	C	Si	Mn	P	S	V	Nb	Al	Ti
Q345A	≤0.20	≤0.55	1.00-1.60	≤0.045	≤0.045	0.02-0.15	0.015-0.060	-	0.02-0.20
Q345B	≤0.20	≤0.55	1.00-1.60	≤0.040	≤0.040	0.02-0.15	0.015-0.060	-	0.02-0.20
Q345C	≤0.20	≤0.55	1.00-1.60	≤0.035	≤0.035	0.02-0.15	0.015-0.060	≥0.015	0.02-0.20
Q345D	≤0.18	≤0.55	1.00-1.60	≤0.030	≤0.030	0.02-0.15	0.015-0.060	≥0.015	0.02-0.20
Q345E	≤0.18	≤0.55	1.00-1.60	≤0.025	≤0.025	0.02-0.15	0.015-0.060	≥0.015	0.02-0.20