ASTM A36 Black Carbon Steel Plate - High Strength Steel Plates from China Suppliers and Factory
Specifications
| Parameter | Range / Options |
|---|---|
| Thickness | 4.5 mm – 25 mm |
| Width | 500 mm – 5300 mm |
| Length | 3000 mm – 27000 mm |
Material Standards & Grades
| Standard | Common Grades |
|---|---|
| ASTM | A36, A283 Grade A/B/C/D, A285, A299, A516 Grade 60/65/70, A529 Grade 50/55, A572 Grade 50/55/60/65, A573 Grade 65/70 |
| EN 10025-2 | S235JR/J0/J2, S275JR/J0/J2, S355JR/J0/J2 |
| JIS | G3101 (SS330, SS400, SS490), G3106 (SM400A/B/C, SM490A/B/C), G4051 (S10C-S55C) |
| GB/T | Q235A/B/C/D, Q275, Q295, Q345A/B/C/D/E, Q390, Q420, Q460, Q500, Q550, Q620, Q800 |
| DIN | ST37-2, ST37-3, ST52-3 |
| AS/NZS | 250 Grade, 350 Grade (AS/NZS 3678) |
Surface Finishes & Coatings
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⬛ Natural / BlackAs-rolled with mill scale, often requiring secondary cleaning before any further industrial processing operations.
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🛡️ Coated / GalvanizedZinc coating for corrosion resistance, providing a highly durable barrier against harsh environmental weather conditions effectively.
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🎨 Primed / PaintedShop-applied primer or paint coating, intended to protect structural components from oxidation during storage and transportation.
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✨ Shot Blasted / PickledCleaned surface for further treatment, ensuring that all loose contaminants are removed for superior bonding performance.
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🔧 Sand BlastingSurface preparation for painting or inspection, creating a uniform texture which maximizes adhesion for heavy duty coatings.
Packaging & Delivery
Packaging
Standard export seaworthy packing or as required
Protection
Oiled, coated, or wrapped for corrosion protection during transit
Identification
Tags indicating grade, heat number, dimensions, and quantity
Delivery Time
20–50 days (7 days for stock items)
Loading Port
Tianjin
MOQ
1 piece
Frequently Asked Questions
Q
What thickness range is available for your steel plates?
Our steel plates are available in thicknesses ranging from 4.5 mm to 25 mm, with widths from 500 mm to 5300 mm and lengths from 3000 mm to 27000 mm, accommodating a wide variety of structural and industrial applications.
Q
Which international material standards do you support?
We supply steel plates conforming to multiple international standards including ASTM, EN 10025-2, JIS, GB/T, DIN, and AS/NZS, covering a comprehensive range of structural and high-strength grades to meet global project requirements.
Q
What surface finish options are available?
We offer five main surface finish options: Natural/Black (as-rolled), Coated/Galvanized, Primed/Painted, Shot Blasted/Pickled, and Sand Blasted. Each finish is suited to different end-use environments and downstream processing requirements.
Q
What is the minimum order quantity (MOQ)?
Our minimum order quantity is 1 piece, making it easy for customers who need small quantities for specific projects or testing purposes. Larger orders are equally welcome with competitive pricing.
Q
How long is the delivery lead time?
Standard delivery time is 20 to 50 days depending on order specifications and production schedule. For in-stock items, delivery can be arranged within 7 days. All shipments are loaded from Tianjin port.
Q
How are the steel plates packaged and protected during shipping?
All steel plates are packed in standard export seaworthy packaging and protected through oiling, coating, or wrapping to prevent corrosion during transit. Each package is clearly identified with tags showing grade, heat number, dimensions, and quantity.











