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ASTM A179 Gr. C Mild Carbon Steel Pipe Round/Square
In stock Free sample Cut to size MTC included
Mild/Carbon Steel Pipe/Tube

ASTM A179 Gr. C Mild Carbon Steel Pipe Round/Square

carbon steel pipe and tube, ASTM A53 / A106, 1/2"-24", welded or seamless, 6 m lengths. EN 10204 3.1 MTC, cut to length.

Key specifications
Material
Stainless Steel / Aluminum / Copper / Carbon Steel
Thickness
0.1 – 200 mm0.004 – 7.87 in
Width
1000 – 1500 mm39.4 – 59.1 in
Length
up to 6000 mmup to 236 in
Surface
2B, BA, NO.1, NO.4, HL, 8K mirror, embossed
Standard
ASTM / AISI / DIN / EN / GB / JIS
Certificate
EN 10204 3.1 Mill Test Certificate
Tolerance
Thickness ±0.02 mm · Width ±1 mm (mill standard)
Weight & price estimator
0 kg / piece 0 kg total 0 tonnes total

Theoretical weight for stainless steel (7,930 kg/m³). Actual weight depends on grade and mill tolerance.

Trade Information

Minimum order
1 tonne / mixed container
Payment
T/T 30% deposit · L/C at sight
Trade terms
FOB / CFR / CIF / DDP
Loading port
Shanghai · Ningbo
Lead time
7-10 days (stock) / 12-15 days (processed)
Sample
Free, courier at buyer's cost
Get Price & Lead Time WhatsApp
Free sample available Cut to size service Worldwide shipping Updated: 2026-10-16

Product Description

Carbon Steel Pipe/Tube Coating: 10#-45#, A53-A369, ST35-ST52, 10#, A179-C, ST35, S Mild Carbon Steel Pipe Tubes

  • Standard: API, API 5L
  • Grade: 10#-45#, API J55-API P110, 10#, 20#, 45#, API J55, API K55, API L80, API N80
  • Thickness: 2.0 - 80 mm
  • Section Shape: Round/Square/Rectangular and more shapes customized
  • Outer Diameter: 20 -820 mm
  • Place of Origin: Shanghai, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Fluid Pipe
  • Technique: Hot Drawn, Cold Drawn, Hot Rolled, Cold Rolled
  • Certification: API
  • Surface Treatment: black painting or According to clients 'request
  • Special Pipe: Thick Wall Pipe
  • Alloy Or Not: Non-alloy
  • Color: black painting or According to clients 'request
  • Note: We can also do other material

Specifications

Business TypeManufacture & Sales
Product DescriptionCaron & Low Alloy Seamless Steel Pipe
Advantaged Product Specification
EnglishChinese
Outside Diameter(Inch)Wallthickness(Inch)OutsideDiameter(mm)Wallthickness(mm)
From 1/2 to 5From SCH40 to XXSFrom 25 to 356From4 to 80
LengthFrom 2m to 12.5m in accordance with customers' requirements
Material&StandardDescriptionChineseAmericanGerman
10#ASTM A53-ASt37 DIN1626
ASTM A106-ASt37-2 DIN17175
ASTM A179-CSt35.8 DIN17175
ASTM A192St35.8 DIN17175
20#ASTM A53-BSt42-2 DIN1626
ASTM A106-BSt45-8 DIN17175
ASTM A178-CSt45-4 DIN1629
45#ASTM A1045CK45
16MnASTM A210-CSt52 DIN1629
37Mn5J55
27SiMn
CrMoASTM 4135,4150CrMo4 DIN17212
40CrASTM 514041Cr4

Surface Finish & Application

Packaging Details:in bundles tied with steel strips. Slightly internal and external oil coating. End plastic caps. External packing to be confirmed. Marking on each piece of tube to be confirmed.
Delivery Detail:7 DAYS

Grade equivalents

ASTM / AISIENJISGBTypical use
304 / S304001.4301SUS 30406Cr19Ni10General fabrication, kitchenware, food equipment
304L / S304031.4307SUS 304L022Cr19Ni10Welded assemblies, low-carbon requirement
316L / S316031.4404SUS 316L022Cr17Ni12Mo2Marine, chemical, coastal architecture
321 / S321001.4541SUS 32106Cr18Ni11TiHigh-temperature service up to 800 °C
430 / S430001.4016SUS 43010Cr17Indoor appliances, automotive trim
201 / S201001.4372SUS 20112Cr17Mn6Ni5NCost-sensitive indoor applications
2205 / S322051.4462SUS 329J3L022Cr23Ni5Mo3NDuplex: high strength, chloride resistance

Mechanical properties (typical, annealed)

GradeTensile strengthYield strength (0.2%)ElongationHardness
304≥ 515 MPa≥ 205 MPa≥ 40%≤ 201 HBW
316L≥ 485 MPa≥ 170 MPa≥ 40%≤ 217 HBW
430≥ 450 MPa≥ 205 MPa≥ 22%≤ 183 HBW

Tolerance & size range

ItemRangeTolerance
Thickness0.1 – 200 mm±0.02 mm (cold rolled) / ±0.3 mm (hot rolled)
Width1000 / 1219 / 1250 / 1500 mm±1 mm, or cut to size
Lengthup to 6000 mm±3 mm
Flatness—≤ 3 mm / m

Need a tighter tolerance or a non-standard size? Send your drawing and we will confirm feasibility before quoting.

How this form compares with the rest of our range

FormThickness / ODWidth / LengthTypical finishStandard
Sheet & plate0.3 – 200 mm1000 / 1219 / 1250 / 1500 × 2438 / 3000 / 6000 mm2B, BA, No.4, HL, 8KASTM A240, EN 10088
Coil & strip0.3 – 3.0 mmslit 20 – 1500 mm, ID 508 mm2B, BAASTM A240
Pipe & tubeOD 6 – 630 mmwall 0.5 – 30 mm, length 6 mAnnealed, pickledASTM A312 / A554
Bar, angle & channel3 – 500 mmround / flat / square / hex, 6 mBright, peeled, groundASTM A276
Aluminum0.3 – 200 mm1000 – 1500 mm wideMill, brushed, anodizedASTM B209
Copper & brass0.5 – 100 mmbar / rod / tubeBright, millASTM B187

Looking at a different form? Tell us the finished part and we will suggest the closest stock or processing route.

Standard Packing

  • Sheets and plates: wooden pallet with waterproof paper, PVC film and steel strapping — seaworthy and fumigation-free.
  • Coils and strips: eye to sky or eye to wall, wrapped with waterproof paper, plastic film and steel bands.
  • Pipes and tubes: hexagonal or square bundles, end caps on both ends, woven bag and steel strapping.
  • Bars: tied bundles or wooden crates for small quantities and precision parts.

Delivery

  • Stock items: 7-10 days after order confirmation.
  • Cut-to-size and custom processing: 12-15 days depending on quantity and surface finish.
  • Terms: FOB Shanghai / Ningbo, CFR, CIF and DDP available.
  • Full export documentation: commercial invoice, packing list, B/L, certificate of origin, mill test certificate.

Quality Control

  • Incoming material verified by spectrometer and hardness test.
  • Dimensional and surface inspection on every batch before packing.
  • Third-party inspection (SGS / BV / Intertek) can be arranged on request.

Yes. Send us a size list or drawing and we will cut, slit, bend or drill to your tolerance and quote the processed price.

We can ship from one tonne for stock items. Mixed containers with other sizes and grades are welcome.

Every shipment is supplied with an EN 10204 3.1 mill test certificate listing chemical composition and mechanical properties.

Steel prices change with the market. Send your specification through the form below and we will quote the current price within 8 working hours.

Previous / Next product: ASTM A106 Gr. B Seamless Mild Steel Tube PipeASTM A53 A106 API 5L GR.B Seamless Pipe

Before You Order

How to Choose & How to Handle

Five decisions cover most orders. If any of them is unclear, send us the drawing or the application and we will narrow it down.

How to choose the right grade and size

  1. 1Grade. 304 for general fabrication, 316L for marine, chemical or coastal service, 201 for cost-sensitive indoor work, 430 for appliances and trim. Grade comparison →
  2. 2Thickness. 0.3–200 mm. Cold rolled covers 0.3–3.0 mm at ±0.02 mm; above that we supply hot rolled and pickled.
  3. 3Surface. 2B is the default for fabrication, BA for bright decorative work, No.4 for brushed visible faces, HL for hairline, 8K for mirror.
  4. 4Size. Mill standards are 1219×2438 and 1500×3000 mm. Anything else is cut to size, with no extra lead time on stock items.
  5. 5Documents. Every shipment carries EN 10204 3.1 MTC. Ask for SGS / BV / Intertek pre-shipment inspection if your project requires it.
Send your specification

Handling, cutting and storage

  • Store indoors on timber battens, never directly on concrete. Keep away from chlorides, acids and salt spray.
  • Cut clean. Plasma, laser or waterjet. Never use tooling that has cut carbon steel without cleaning it first — iron contamination rusts.
  • Weld matched. 308L filler for 304, 316L for 316L. Keep interpass temperature low and passivate the weld zone afterwards.
  • Protect faces. Visible surfaces ship with PVC film. Remove it within six months and never leave it in direct sun.
  • Lift, don't drag. Use suction lifters or a spreader beam. Dragging scores the finish and edges.
  • Check on arrival. Photograph packing before unloading. Report transit damage within 7 days so we can claim with the carrier.
Technical guides

Applications

Where this material is used

All applications
Kitchenware & FoodSinks, worktops, food lines ConstructionFacades, cladding, handrails Chemical & PharmaTanks, vessels, CIP lines Marine & CoastalShip, port, seawater duty AutomotiveExhaust, trim, tanks

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Send Us Your Specification — Get a Detailed Quotation

Whether you need 500 kg of 304 sheet or 25 tonnes of 316L coil, we can quote it. Tell us the grade, size, surface, quantity and destination port; our engineers reply within 8 working hours with price, lead time and packing details.

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