Name: Q235B / Q235C / Q235D Carbon Steel Plate
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Q235B / Q235C / Q235D Carbon Steel Plate

Q235B / Q235C / Q235D mild structural steel plate is China’s mainstream general carbon plate, equivalent to ASTM A36, EN S235JR, JIS SS400. Grades differ by low-temperature impact toughness, widely adopted for general construction, machine base frames and steel structure projects across global bulk industrial procurement.

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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	Q235B / Q235C / Q235D Carbon Steel Plate
Standard	GB/T 700, GB/T 3274; Equivalent: ASTM A36, EN 10025 S235JR, JIS SS400.
Material	Q235B / Q235C / Q235D
Technique	Cold Rolled, Hot Rolled
Common Sizes & Thickness	Thickness: 2mm – 100mm Standard width: 1000/1250/1500mm; length: 6000/12000mm Hot selling gauges: 6mm, 10mm, 12mm, 16mm, 20mm
Surface Treatment	Hot rolled black mill scale, pickled & oiled, cold rolled bright smooth finish, anti-rust oil sealed for export.
Temper	As hot rolled (standard); normalized temper available for low-temperature Q235C/Q235D orders.
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, Thailand, Indonesia), Middle East (Saudi Arabia, UAE), Eastern Europe, Africa general construction factories.
Core Strengths	Balanced yield strength 235MPa, perfect balance of bending, cutting and welding performance Tiered toughness: Q235B(20℃ impact), Q235C(0℃), Q235D(-20℃) for diverse temperature scenarios Low impurity sulfur & phosphorus for stable welding without preheating Cost-efficient universal structural grade, massive in stock for fast bulk delivery Uniform dimensional tolerance, supports custom plasma/flame cutting
Application	General building steel frameworks, mechanical equipment bases, workshop support brackets, container base blanks, low-pressure pipeline flanges, non-load-bearing bridge auxiliary components.

Send your inquiry now to get competitive carbon steel plate price now! China factory direct supply and large stock, stable for supporting all importers customers business.

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