High Quailty 20MnV 45B 20Cr 40Cr Hot Rolled Black Carbon Steel Plate
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Product Name |
Hot Selling Best Quality Hot Rolled Steel Sheet |
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Material |
10#, 20#, 45#, 16Mn, A53(A,B), Q235, Q345, Q195, Q215, St37, St42, St37-2, St35.4, St52.4, ST35,20Mn2, 40Mn2, 50Mn2, 20MnV, 45B, 20Cr, 40Cr, 38CrSi, 12CrMo, 15CrMo, 20CrMo, 30CrMo, 42CrMo, 35CrMo, 12CrMoV, 12Cr1MoV, 25Cr2Mo1VA, 20CrV, 50CrVA, 40CrNi, 20MnMoB, 38CrMoAlA, 40CrNiMoA, |
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Thickness |
1.5mm~24mm |
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Size |
3x1219mm 3.5x1500mm 4x1600mm 4.5x2438mm customized |
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Standard |
ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS |
| 6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711 | |
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Grade |
A53-A369, Q195-Q345, ST35-ST52 |
| Grade A, Grade B, Grade C | |
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Technique |
Hot rolled |
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Packing |
Bundle, or with all kinds of colors PVC or as your requirements |
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Pipe Ends |
Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
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MOQ |
1 Tons, more quantity price will be lower |
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Surface Treatment |
1. Mill finished /Galvanized /stainless steel |
| 2. PVC,Black and color painting | |
| 3. Transparent oil,anti-rust oil | |
| 4. According to clients requirement | |
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Product Application |
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Origin |
Tianjin China |
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Certificates |
ISO9001-2008,SGS.BV,TUV |
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Delivery Time |
Usually within 7-10 days after receipt of advance payment |
20MnV, 45B, 20Cr, and 40Cr are all different types of steel with varying compositions and properties. Here are the details for each of these steel grades:
20MnV Steel:
Carbon Content: 0.17-0.24%
Manganese Content: 1.30-1.60%
Vanadium Content: 0.10-0.20%
Typical Uses: Structural steel for construction, machinery parts
Mechanical Properties: Tensile strength and yield strength can vary based on heat treatment and processing.
45B Steel:
Carbon Content: 0.42-0.49%
Manganese Content: 0.50-0.80%
Typical Uses: Axles, gears, crankshafts
Mechanical Properties: Tensile strength of 600-850 MPa, yield strength of 355-540 MPa
20Cr Steel:
Carbon Content: 0.18-0.24%
Chromium Content: 0.40-0.70%
Typical Uses: Gears, shafts, automotive parts
Mechanical Properties: Tensile strength of 785-980 MPa, yield strength of 540-685 MPa
40Cr Steel:
Carbon Content: 0.37-0.44%
Chromium Content: 0.80-1.10%
Typical Uses: Gears, shafts, crankshafts, structural components
Mechanical Properties: Tensile strength of 1000-1200 MPa, yield strength of 800-950 MPa
| Gauge Thickness Comparison Table | ||||
| Gauge | Mild | Aluminum | Galvanized | Stainless |
| Gauge 3 | 6.08mm | 5.83mm | 6.35mm | |
| Gauge 4 | 5.7mm | 5.19mm | 5.95mm | |
| Gauge 5 | 5.32mm | 4.62mm | 5.55mm | |
| Gauge 6 | 4.94mm | 4.11mm | 5.16mm | |
| Gauge 7 | 4.56mm | 3.67mm | 4.76mm | |
| Gauge 8 | 4.18mm | 3.26mm | 4.27mm | 4.19mm |
| Gauge 9 | 3.8mm | 2.91mm | 3.89mm | 3.97mm |
| Gauge 10 | 3.42mm | 2.59mm | 3.51mm | 3.57mm |
| Gauge 11 | 3.04mm | 2.3mm | 3.13mm | 3.18mm |
| Gauge 12 | 2.66mm | 2.05mm | 2.75mm | 2.78mm |
| Gauge 13 | 2.28mm | 1.83mm | 2.37mm | 2.38mm |
| Gauge 14 | 1.9mm | 1.63mm | 1.99mm | 1.98mm |
| Gauge 15 | 1.71mm | 1.45mm | 1.8mm | 1.78mm |
| Gauge 16 | 1.52mm | 1.29mm | 1.61mm | 1.59mm |
| Gauge 17 | 1.36mm | 1.15mm | 1.46mm | 1.43mm |
| Gauge 18 | 1.21mm | 1.02mm | 1.31mm | 1.27mm |
| Gauge 19 | 1.06mm | 0.91mm | 1.16mm | 1.11mm |
| Gauge 20 | 0.91mm | 0.81mm | 1.00mm | 0.95mm |
| Gauge 21 | 0.83mm | 0.72mm | 0.93mm | 0.87mm |
| Gauge 22 | 0.76mm | 0.64mm | 085mm | 0.79mm |
| Gauge 23 | 0.68mm | 0.57mm | 0.78mm | 1.48mm |
| Gauge 24 | 0.6mm | 0.51mm | 0.70mm | 0.64mm |
| Gauge 25 | 0.53mm | 0.45mm | 0.63mm | 0.56mm |
| Gauge 26 | 0.46mm | 0.4mm | 0.69mm | 0.47mm |
| Gauge 27 | 0.41mm | 0.36mm | 0.51mm | 0.44mm |
| Gauge 28 | 0.38mm | 0.32mm | 0.47mm | 0.40mm |
| Gauge 29 | 0.34mm | 0.29mm | 0.44mm | 0.36mm |
| Gauge 30 | 0.30mm | 0.25mm | 0.40mm | 0.32mm |
| Gauge 31 | 0.26mm | 0.23mm | 0.36mm | 0.28mm |
| Gauge 32 | 0.24mm | 0.20mm | 0.34mm | 0.26mm |
| Gauge 33 | 0.22mm | 0.18mm | 0.24mm | |
| Gauge 34 | 0.20mm | 0.16mm | 0.22mm | |
Application of Hot Rolled Steel Plate
1.Steel Structure Construction: Widely used for building frames, warehouses, factories, bridges, and other heavy-duty steel structures.
2.Machinery Manufacturing: Applied in equipment bases, machine parts, industrial machinery, and heavy fabrication projects due to its excellent strength and toughness.
3.Shipbuilding Industry: Used for ship hulls, marine structures, and offshore engineering components requiring high strength and durability.
4.Pressure Vessels & Boilers: Suitable for tanks, boilers, storage vessels, and pressure equipment with specific grade requirements.
5.Infrastructure Projects: Commonly used in bridges, highways, railway structures, and large-scale public construction projects.
6.Energy Industry: Applied in oil & gas facilities, power plants, pipelines, and renewable energy support structures.
7.Automotive & Transportation: Used for truck frames, trailers, railway vehicles, and heavy transportation equipment.
8.General Fabrication: Ideal for cutting, welding, bending, and manufacturing customized steel components.
Note:
1.Free sampling, 100% after-sales quality assurance, Support any payment method;
2.All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.
Hot rolling is a mill process which involves rolling the steel at a high temperature
which is above the steel’s recrystallization temperature.
Secure Packaging: Steel plates are stacked and bundled with strong steel straps to ensure stability during handling and transportation.
Surface Protection: Protective materials are used to prevent scratches, rust, and surface damage during shipment.
Standard Export Packing: Each bundle is labeled with product information, including size, grade, quantity, and weight for easy identification.
Flexible Transportation: Supports shipping by container, bulk vessel, flat rack, or customized logistics solutions according to order requirements.
Global Delivery Service: Professional logistics team provides efficient transportation arrangements and complete export documents for worldwide customers.
Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)
Q: What sizes can you provide?
A: We offer various thicknesses, widths, and lengths with customized sizes available according to customer drawings and project specifications.
Q: Can you provide surface treatment and processing services?
A: Yes, we provide cutting, drilling, welding, shot blasting, painting, galvanizing, and customized fabrication services.
Q: How do you ensure steel plate quality?
A: Each batch undergoes strict inspection, including chemical composition analysis, mechanical property testing, dimensional inspection, ultrasonic testing (if required), and surface quality checks.
Q: What certificates can you provide?
A: We can provide Mill Test Certificates (MTC), SGS inspection reports, and other quality documents according to customer requirements.
Q: What are the shipping methods for Hot Rolled Steel Plate?
A: Steel plates can be shipped by container, bulk vessel, or flat rack, with professional export packing and global logistics support.











