Name: Q275B Carbon Steel Plate
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Q275B Carbon Steel Plate

Q275B carbon steel plate delivers 275MPa yield strength, stronger load capacity than Q235 series. With balanced rigidity and easy fabrication, it is widely used for medium-load mechanical components as a cost-efficient structural steel for global machinery bulk orders.

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Product Description

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 . Their carbon content, microstructure and properties compare as follows:

Carbon content (wt.%)	Microstructure	Properties	Examples
Low-carbon steel	< 0.25	Ferrite, pearlite	Low hardness and cost. High ductility, toughness, machinability and weldability
Medium-carbon steel	0.25 – 0.60	Martensite	Low hardenability, medium strength, ductility and toughness
High-carbon steel	0.60 – 1.25	Pearlite	High hardness, strength, low ductility

PRODUCT DETAILS

Product Name	Q275B Carbon Steel Plate
Standard	GB/T 700; Equivalent grade: ISO E275B, JIS SS490
Material	Q275B
Technique	Cold Rolled, Hot Rolled
Common Sizes & Thickness	Thickness: 3mm–80mm Standard width: 1000/1250/1500mm; length: 6000/12000mm Hot selling gauges: 8mm, 12mm, 16mm, 20mm, 30mm
Surface Treatment	Hot rolled black scale, pickled & oiled, shot blasted anti-rust surface, anti-rust oil packaging for export.
Temper	Hot rolled normalized temper, ready for secondary machining and welding.
Origin	China
HS Code	7209250000
Delivery Time	7-15 days，depends on quantity ordered
After-sales Service	24 hours online
Production Capacity	100000 Tons/Year
Loading Port	Any port in China
Certificates	ISO9001, SGS, RoHS, EN10204 3.1 Mill Test Certificate
Packaging	Standard Sea-worthy Packaging
Processing Service	Bending, Welding, Decoiling, Punching, Cutting
Tolerance	±1%
MOQ	5 tons
Payment Terms	TT, LC,Cash, Paypal, DP, DA,Western Union or Others.
Terms Of Trade	EXW,FOB, CRF, CIF ,CNF or others
Exported to	Southeast Asia (Vietnam, Indonesia), Middle East machinery factories, Eastern Europe component processing plants.
Core Strengths	Higher tensile & yield strength than Q235 to bear medium cyclic mechanical loads Homogeneous internal structure with stable mechanical performance Great cutting, bending and welding performance without preheating Budget-friendly substitute for medium-load structures, no expensive alloy additives Precise dimensional tolerance for mass machinery component production
Application	Medium-load mechanical structural parts, heavy equipment brackets, machine tool bases, load-bearing hardware, medium-stress welded assemblies.