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Carbon Steel Coil

Carbon Steel Coil

Carbon steel coils have the same strength and toughness and are easy to process and weld, so they are widely used in construction, manufacturing, transportation, chemical industry and other fields.
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Product Parameters

Carbon Steel: Properties, Production, Examples and Applications


Carbon steel is an iron-carbon alloy, which contains up to 2.1 wt.% carbon. For carbon steels, there is no minimum specified content of other alloying elements, however, they often contain manganese. The maximum manganese, silicon and copper content should be less than 1.65 wt.%, 0.6 wt.% and 0.6 wt.%, respectively.


Types of carbon steel and their properties


Carbon steel can be classified into three categories according to its carbon content: low-carbon steel (or mild-carbon steel), medium-carbon steel and high-carbon steel [1]. Their carbon content, microstructure and properties compare as follows:



Carbon content (wt.%)MicrostructurePropertiesExamples
Low-carbon steel< 0.25Ferrite, pearliteLow hardness and cost. High ductility, toughness, machinability and weldability
Medium-carbon steel0.25 – 0.60MartensiteLow hardenability, medium strength, ductility and toughness
High-carbon steel0.60 – 1.25PearliteHigh hardness, strength, low ductility


Carbon Steel Description



Grade:


1)GB: Q195, Q215, Q235A, Q235B, Q235C, Q235D, Q255A, 255B, Q275, Q295A, Q295B, Q345B, Q345C, Q345D, Q345E, Q390A, Q390B, Q390C,Q390D, Q390E, Q420, Q420B, Q420C, Q420D, Q420E, Q460D, Q460E, Q500D, Q500E, Q550D, Q550E, Q620D, Q620E, Q690D, Q690E


2)EN: S185,S235JR, S275JR, S355JR, S420NL, S460NL S500Q, S550Q, S620Q, S690Q 


3)ASTM: Grade B, Grade C, Grade D, A36, Grade 36, Grade 40, Grade42, Grade 50, Grade 55, Grade 60, Grade 65, Grade 80 


4)JIS: SS330, SPHC, SS400, SPFC, SPHD, SPHE



PRODUCT DETAILS


Product Name Carbon steel coil
StandardASTM,AISI,DIN,EN,BS,SUS, JIS
MaterialQ195 ,Q215 ,Q235 ,Q255 ,Q275 ,SS330 , SS400, SS490, SS540, S185JR, S235JR, S235JRG1, S235J0, S275J0, S275J2G3ASTM 1010, 1020, 1025, 1030, 1035, 1040, 1045, 1050, 1055, 1060, 1080, 1022 A53, A106, A192, A315b, ST33, ST37, ST35.8, ST42, ST45, ST52S10C, S20C, S25C, S30C, S40C, S45C, S55C, S58C, SK5, C10, C20, C30, C45, C45, C60, C22E, C30E, C40E, C45E, C55E, C60E, C67E, C75E, C85E, CK22, CK25, CK30, CK35, CK45, CK50, CK60, CK67 
TechniqueCold Rolled, Hot Rolled
Thickness1~50mm and customizable
Width0-12mm or Customizable
Surface TreatmentMirror surface,Polishing
TypeCoil
OriginChina
HS Code7209250000
Delivery Time{Delivery Time}
After-sales Service24 hours online
Production Capacity{Production Capacity}
Loading Port{Port}
Section ShapeRectangle
Application1.Automobile, Bridges, Buildings.
2.Machinery, Pressure vessel industries.
3.Ship building, Engineering construction.
4.Mechanical manufacturing, Pavement slab, ect.
PackagingStandard Sea-worthy Packaging
Processing ServiceBending, Welding, Decoiling, Punching, Cutting
Tolerance±1%
MOQ{MOQ}
Payment TermsTT, LC,Cash, Paypal, DP, DA,Western Union or others.
Terms Of TradeEXW, FOB, CFR, CIF, CNF or others


StandardGradeGeneral SizeDelivery Condition
ASTM A36A36/A36-B5-20 * 2300-2500 * CBoron added or Black Condition
ASTM A283A283-B/A283C5-20 * 2300-2500 * CBoron added or Black Condition
ASTM A572A572Gr50-B/A572Gr42-B5-20 * 2300-2500 * CBoron added or Black Condition
ASTM A515A515Gr705-20 * 2300-2500 * CBoron added or Black Condition
ASTM A516A516Gr705-20 * 2300-2500 * CBoron added or Black Condition
JIS G 3101SS400-B5-20 * 2300-2500 * CBoron added or Black Condition
JIS G3136SN400B5-20 * 2300-2500 * CBoron added or Black Condition
EN10025-2:2004S235JR-S355K2+N5-20 * 2300-2500 * CBoron added or Black Condition
EN10025-5:2004S355J2W/S355K2W5-20 * 2300-2500 * CBoron added or Black Condition


MaterialChinaFormerSoviet UnionAmericaEnglandJapanFrench
GBГOCTASTMBSJISNF
High Quality Carbon Structural Steel08F08KП1006040A04S09CK
881008045M10S9CK
10F
1010040A10
XC10
101010,101,012045M10S10CXC10
15151015095M15S15CXC12
20201020050A20S20CXC18
25251025
S25C
30301030060A30S30CXC32
35351035060A35S35CXC38TS
40401040080A40S40CXC38H1
45451045080M46S45CXC45
50501050060A52S50CXC48TS
55551055070M55S55CXC55
60601060080A62S58CXC55
15Mn15Г10,161,115080A17SB46XC12
20Mn20Г10,211,022080A20
XC18
30Mn30Г10,301,033080A32S30CXC32
40Mn40Г10,361,040080a40S40C40M5
45Mn45Г10,431,045080A47S45C
50Mn50Г10,501,052030A52080M50S53CXC48


Product Display

Carbon Steel Coil


Product Application

Carbon Steel Coil


Product Packaging

Carbon Steel Coil


Factory Display

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FAQ

A:

All our steel products are manufactured using genuine materials that meet national standards; we strictly adhere to national production regulations and strictly prohibit the use of non-standard specifications, adulterated materials, or defective goods. For every shipment, we provide a complete set of documentation—including material specifications, quality inspection reports, and factory certificates—free of charge. Our products support third-party re-inspection, on-site acceptance, and project filing, ensuring full traceability of quality throughout the process.

A:

We support custom processing for a full range of steel products. For items such as steel plates, profiles, pipes, and round bars, we provide tailored services—including cutting, bending, drilling, trimming, beveling, anti-corrosion painting, and hot-dip galvanizing—based on client construction drawings and on-site requirements. We can process materials to any dimension or non-standard specification, meeting the unique needs of various engineering projects and equipment manufacturing applications.

A:

We offer free sample delivery. To ensure peace of mind during the procurement process, we provide steel samples matching your specifications, allowing you to verify material quality, check manufacturing processes, and facilitate acceptance inspections by the project owner. Testing samples prior to placing bulk orders helps minimize procurement risks.

A:

Steel is a commodity with prices that fluctuate in real-time based on futures markets, raw material costs, and inventory levels; since fixed list prices can lead to discrepancies, we provide standardized, real-time manual quotes. All pricing is transparent with no hidden costs; quotes can be provided on either a tax-inclusive or tax-exclusive basis, and special VAT invoices can be issued upon request.

A:

Our company has no strict minimum order quantity requirements and supports various procurement models, including small-scale purchases, bulk stocking, and full-order supply for engineering projects. We can handle orders ranging from small top-up supplies for construction sites and ad-hoc store purchases to bulk procurement for large-scale projects, flexibly meeting the diverse needs of our customers.

A:

We support monthly settlement and deferred payment terms for high-quality project clients and long-term partner distributors. Long-term partners enjoy exclusive pricing, as well as priority in order scheduling and shipment; please contact your account manager to discuss specific partnership policies.

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