Gambia 20# / C22 Carbon Steel Tube
Category:
Product Description
Carbon Steel Tube 20#
Carbon steel 20# (Grade 20 carbon steel) is a widely used low-carbon steel under the Chinese GB/T 699 standard. It offers a balanced combination of strength, ductility, and machinability, making it suitable for a variety of industrial applications.
Product Parameters
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Product Name |
Carbon Steel Tube 20# |
|
|
Standard |
ASTM: Similar to A283 Grade C or AISI 1020 DIN: Comparable to St37-2 |
|
|
Outer Diameter |
Seamless: 1/4"-36" |
Welding: 21.3mm-3620mm |
|
Round Tube: 1/2"-10" |
Square Tube/Rectangular Tube: 15x15mm-400x600mm |
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|
Wall Thickness |
Seamless: 1.25mm-50mm |
Welding: 1.65mm-65mm |
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Length |
3-12 meters, Support customization |
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Surface Process |
Bright, Polished, Black |
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Other Services |
Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
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Chemical Composition
|
C |
Si |
Mn |
P |
S |
|
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
≤ 0.035 |
≤ 0.035 |
International Trademark Comparison Table
| AISI/SAE | ISO | DIN |
BS |
NF |
JIS |
S |
| 1020 | C22 |
CK22 |
IC22 |
C22/C20 |
S20C/S22C |
≤ 0.035 |
Mechanical Properties
| Tensile Strength | ≥410 MPa |
| Yield Strength | ≥245 MPa |
| Elongation | ≥25% |
| Hardness | ≤156 HB (annealed condition) |
Scope of Application
● Structural components (brackets, frames). ● Piping systems and hydraulic cylinders.
● Machinery parts (shafts, gears, bolts). ● Automotive and agricultural equipment.
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