Description: BBN steel is a well-known steel manufacturer and service provider in China, ASTM A283 Steel Plate,A283Grade C Carbon Steel Plate is our superior product, we are favored by customers with high quality, competitive price and excellent service
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ASTM A283 Grade C Carbon Steel Plate | Low & Medium Tensile Structural Steel | Cut-to-Size Service
As-Rolled / Control-Rolled / Normalised Supply (No Temper Treatment) | Full Range 2–650mm Thickness from Stock | MTC EN 10204 3.1 / 3.2 Certified
Stable Mechanical PerformanceLow & medium tensile strength structural steel with consistent properties — supplied as-rolled, control-rolled or normalized without additional temper treatment.
Excellent ProcessabilitySupports cutting, welding, shot blasting and customized surface treatment — fully meeting general structural fabrication demands.
High Cost-EffectivenessFull-series plates & coils with complete EN 10204 3.1 / 3.2 certification, stable stock and reliable global export service.
01Product Overview & Specifications
ASTM A283 Grade C is a common low and medium tensile strength carbon structural steel manufactured per the ASTM A283/A283M standard. Supplied in as-rolled, control-rolled or normalized condition without additional temper treatment, it features stable mechanical performance, excellent processability and outstanding cost-effectiveness.
A283 Grade C supports cutting, welding, shot blasting and customized surface treatment, fully meeting general structural fabrication demands. It is widely utilized for oil storage tanks, conventional structural frames and general engineering facilities, backed by complete EN 10204 3.1 / 3.2 certification and reliable global export service.
Item
Specification Details
Steel Grade
ASTM A283 Grade C
Executive Standard
ASTM A283 / A283M, ASTM A6 / A6M
Product Type
Mild Carbon Steel Plate & Coil
Thickness Range
2mm – 650mm full range available
Width Range
1000mm – 4200mm
Length Range
3000mm – 18000mmcustom lengths negotiable
Heat Treatment
As Rolled / Control Rolled / Normalised (no additional temper treatment)
ASTM A283 Grade C corresponds to multiple international standard carbon steel grades, enabling flexible material replacement for global engineering procurement and cross-standard project construction.
Standard System
Equivalent Grade
Chinese GB Standard
Q235B
European EN Standard
S235JR
Japanese JIS Standard
SS400
German DIN Standard
St37-2
British BS Standard
43A
Note: Equivalent grades match in general strength level and weldability, yet minor differences exist in specification details, tolerances and test requirements. For critical or long-cycle projects, please verify detailed project specifications before cross-standard replacement.
03Mechanical Properties
Stable low & medium tensile performance per ASTM A283/A283M — reliable strength and ductility for general structural service.
≥205 MPaMinimum Yield Strength≈30 ksi
380–515 MPaTensile Strength55–75 ksi
≥22% / 25%Minimum Elongation200mm / 50mm Gauge
Performance Index
Parameter Value
Yield Strength (Min.)
≥205 MPa
Tensile Strength
380–515 MPa
Elongation (Min., 200mm Gauge)
≥22%
Elongation (Min., 50mm Gauge)
≥25%
Delivery Condition
As rolled / control rolled / normalized, no temper treatment
04Chemical Composition
Well-balanced mild carbon chemistry per ASTM A283/A283M — excellent weldability, formability and stable structural performance.
Thickness (mm)
C
Si
Mn
P
S
Cu (Min., Copper Steel)
T ≤ 40
0.24
0.40
0.90
0.035
0.040
0.20
40 < T
—
0.15–0.40
—
—
—
—
Note: Values are specified limits per ASTM A283/A283M (single values are maxima unless otherwise stated). The copper minimum applies only when copper-bearing steel is specified. For plates over 40mm in thickness, the silicon content is specified as 0.15–0.40%.
05Advanced Test & Processing Service
From raw plate inspection to ready-to-use fabricated parts — professional testing, certified documentation and one-stop processing.
1
Performance Testing
High tension test, low temperature impact test and simulated PWHT heat treatment verification.
2
Authorized Certification
Original Mill Test Certificate issued per EN 10204 3.1 / 3.2 standard.
3
Surface Processing
Shot blasting, anti-rust painting and customized surface treatment on request.
4
Precision Fabrication
Custom cutting, welding and deep processing per client drawings.
Full-series A283 Grade C plates & coils with complete material traceability
EN 10204 3.1 / 3.2 Mill Test Certificates supplied with every delivery
Third-party inspection accepted before shipment
PWHT treatment, precision sizing and flexible payment options supported
06Application Fields
Relying on stable performance and excellent processability, ASTM A283 Grade C is widely adopted across general structural and engineering fabrication projects worldwide.
Oil & Gas Industry
Large and medium-sized oil storage tanks, gas storage equipment and supporting structural parts.
Building Construction
General building frames, structural supports, platform structures and auxiliary steel components.
Mechanical Manufacturing
Ordinary mechanical bases, equipment housings and non-high-load structural parts.
General Engineering
Conventional engineering fabrication, municipal structural facilities and common steel structures.
Get Your A283 Grade C Plate Official Quotation
Send us your thickness × width × length (or part drawings), quantity and processing requirements. We will reply with the latest stock status, competitive wholesale price and complete certification documents within 24 hours.
BBN Steel has established a complete set of production and supplier management system processes to ensure the improvement of product quality and better service to users.
Production Control
BBN Steel has established a complete production quality control process to ensure every link from research and development to mass production.
Supplier management
Our supplier selection will consider factors such as health and safety, ethics, environmental protection, price and quality to better serve customers.
Certification & Patent
We have successively won various international authoritative certifications, GB /T19001-ISO9001: 2000 quality management system was implemented.
After sales service
We provide booking space, shipping tracking service and after-sales service, we will always be first-class products and perfect pre-sale and after-sales service.
Get in Touch
Welcome to contact us through online consulting, emails and hotline if you are interested in our company or products. Our staff will reply you within 24 hours.
Address: HIGH-TECH DEVELOPMENT ZONE, ZHENGZHOU, CHINA
