Q345 Carbon Steel Coil

Q345 Carbon Steel Coil

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.
Standard: ASTM, GB, DIN, BE, EN, JIS
Categories: Carbon Steel, Carbon Steel Coil/StripWidth: Cold Roled: 50~1500mm, Hot Rolled: 20~2000mmLength: 1000mm~12000mmThickness: Cold Roled: 0.1~6mm / Hot Rolled: 3~12mm

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DetailsFAQ'S
Product NameQ345 Carbon Steel Coil
StandardASTM,AISI,DIN,EN,BS,GB,JIS
GradeASTM/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
TechniqueHot rolled / Cold rolled
TypeMild steel / Medium carbon steel / High carbon steel
SurfaceCoating, Pickling, Phosphating
ProcessingWelding, Cutting, Bending, Decoiling
Delivery time10-30 days subject to the clients' requirement and quantity
Packageclients' requirement and Standard export sea-worthy packing
MOQ1 ton

Available Size Range

DimensionRange
ThicknessCold Rolled: 0.2~6mm
Hot Rolled: 3~12mm
WidthCold Roled: 50~1500mm
Hot Rolled: 20~2000mm
or customer's request
LengthCoil or as customer's request

Chemical Composition



Chemical Composition (≤%)






Steel GradeQuality GradeCSiMnPSCrNiMoCuTiNNbVBAl, ≥
Q345Q345A0.200.501.700.0350.0350.300.500.100.300.200.0120.070.15––
Q345B0.0350.035
Q345C0.0300.0300.015
Q345D0.180.0300.025
Q345E0.0250.020

 

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.

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  5. S45C Carbon Steel Coil
  6. Q235 Carbon Steel Coil
A: Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS,Alibaba Verified.
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.
A: Of course! As long as you contact us, we can provide free inventory samples. Customized samples take approximately 5-10 days.
A: You can contact me on WhatsApp, call me, or send us an email online form to let us know your product specifications.
A: Usually 15 tons, but adjustments will also be made based on the product or your needs, as well as the actual inventory situation.
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.
A: We have many professionals, technical personnel, more competitive prices and best after-dales service than other metal materials companies.

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