Name: 20# / C22 Carbon Steel Tube
SKU: 0

+86 19963059386

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20# / C22 Carbon Steel Tube

Carbon steel 20# is ideal for projects requiring reliable performance at a competitive price, particularly in non-corrosive environments. For harsh conditions, surface treatments (e.g., galvanizing) or alloy steels are recommended.

Email：cong@jsygsteel.com

WhatsApp：+86 19963059386

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

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
Wall Thickness	Seamless: 1.25mm-50mm	Welding: 1.65mm-65mm
Length	3-12 meters, Support customization
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

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.

Factory Display

Mode Of Transport

FAQ

Q1: Are you a manufacturer or a trading company?
A: We are a professional metal products manufacturer based in Shandong, China, with our own production facilities and a strong supply chain. We specialize in carbon steel and stainless steel products, with over 100,000 tons of stock available year-round.

Q2: Where is your company located? Can I visit your factory?
A: Our company is located in Shandong, China. We welcome customers and partners from all over the world to visit our facilities. Please contact us in advance to arrange a visit.

Q3: What products does your company mainly supply?
A: We mainly supply carbon steel and stainless steel products in various forms, including plates, pipes, coils, bars, structural steel (H-beam, channel steel, angle steel), and customized metal components. We cover a full range of specifications to meet diverse customer needs.

Q4: Do you support OEM or customized orders?
A: Yes. We have years of experience in product customization. We can produce according to your drawings, samples, or specific technical requirements. Please contact us with your customization needs.

Q5: What material grades do you offer?
A: For carbon steel, we offer grades such as A36, S235JR, Q235, Q345, and more. For stainless steel, we offer 304, 304L, 316, 316L, 201, 430, and other common grades. Custom grades are available upon request.

Q6: How do you guarantee product quality?
A: Our factory operates under strict QA/QC standards. Every product is inspected during production and before shipment to ensure it meets agreed quality specifications. We can provide mill test certificates and accept thirdparty inspections upon request.