Q345 Carbon steel coil - Gangya Metal (Jiangsu) Co., Ltd.(gangya-steel.com)

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Q345 Carbon steel coil

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.

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Product Parameters

Product Name	Q345 Carbon Steel Coil
Standard	ASTM,AISI,DIN,EN,BS,GB,JIS
Thickness	Cold Rolled: 0.2~6mm Hot Rolled: 3~12mm
Width	Cold Roled: 50~1500mm Hot Rolled: 20~2000mm or customer's request
Length	Coil or as customer's request
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 1008, AISI 1015, AISI 1017, AISI 1021, AISI 1025, AISI 1026, AISI 1035, AISI 1045, AISI 1050, AISI 1055, AISI 4140, AISI 4340, AISI 4130, AISI 5140, AISI 8620, AISI 12L14
	SAE: 1010, SAE 1020, SAE 1045
Technique	Hot rolled / Cold rolled
Type	Mild steel / Medium carbon steel / High carbon steel
Surface	Coating, Pickling, Phosphating
Processing	Welding, Cutting, Bending, Decoiling

Chemical Properties of Frequently-used

Standard	Grade	C%	Mn%	Si%	P%	S%	Cr%	Ni%	Cu%
JIS G3103	SS330				<0.050	<0.050	<0.20
	SS400				<0.050	<0.050	<0.20
	SS40				<0.050	<0.050	<0.20
JIS G4051-2005	S15C	0.13-0.18	0.30-0.60	0.15-0.35	<0.030	<0.035	<0.20
JIS G4051-2005	S20C	0.18-0.23	0.30-0.60	0.15-0.35	<0.030	<0.035	<0.20	<0.20	<0.20
ASTM A36	ASTMA36	<0.22	0.50-0.0	<0.40	<0.040	<0.050	<0.20	<0.20	<0.20
ASTM A568	SAE1015	0.13-0.18	0.30-0.60		<0.040	<0.050	<0.20	<0.20	<0.30
	SAE1017	0.15-0.20	0.30-0.60		<0.040	<0.050	<0.20	<0.20	<0.30
	SAE1018	0.15-0.20	0.60-0.0		<0.040	<0.050	<0.20	<0.20	<0.30
	SAE1020	0.15-0.20	0.30-0.60		<0.040	<0.050	<0.20	<0.20	<0.30
EN10025	S235JR	0.15-0.20	<1.40		<0.035	<0.035	<0.20
EN10025	S275JR	<0.22	<1.40		<0.035	<0.035	<0.20

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.

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Q: How do you control quality ?
A: Mill test certification is supplied with shipment, third party inspection is available. And we also get ISO, SGS, Alibaba Verified.

Q: How many coutries you already exported ?
A: We have become trade partners with more than 50 countries around the world, mainly exporting to the United States, Russia, Britain, Kuwait, Egypt, Türkiye, Jordan, India, etc.

Q: Can you provide sample ?
A: Of course! As long as you contact us, we can provide free inventory samples. Customized samples take approximately 5-10 days.

Q: How can I know the price accurately?
A: You can contact me on WhatsApp, call me, or send us an email online form to let us know your product specifications.

Q: What is your MOQ?
A: Usually 15 tons, but adjustments will also be made based on the product or your needs, as well as the actual inventory situation.

Q: How long is your delivery time?
A: The products will be delivered ASAP on the basis of the quality assurance. Generally, samples order's delivery time is 5-10 days. Container orders are about 15-20 days.

Q: What are the advantages of your company ?
A: We have many professionals, technical personnel, more competitive prices and best after-dales service than other metal materials companies.

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