A53 carbon steel pipe manufacturers
A53 carbon steel pipe manufacturers
As a professional ASTM A53 carbon steel pipe manufacturer, we are supplying both seamless and welded (ERW) steel pipes in Grade A and Grade B. Available in sizes 1/8″–24″, Schedule 10 to XXS, with black or hot-dipped galvanized finish. All pipes comply with ASTM A53 / ASME B36.10M and come with mill test certificates; third-party inspection (SGS / BV) is supported. Ideal for oil, gas, water, and structural applications. OEM, custom sizes, fast delivery available and best after-sales services.
- Mill Test Certificate Provided
- Strict Quality Inspection
- Custom Sizes Available
- On-Time Global Delivery
ASTM A53 Carbon Steel Pipe Specifications
ASTM A53 carbon steel pipe is the general-purpose pipe specification for welded and seamless steel pipe used in low-pressure fluid transmission and structural service. Our A53 pipe is produced in Grade A and Grade B, in seamless and electric-resistance-welded (ERW) construction, and supplied black or hot-dipped galvanized. It is widely used for water, gas, air, steam, fire protection and structural applications, where a dependable, code-compliant pipe is required at a competitive cost.
| Item | Available Range |
|---|---|
| Product | ASTM A53 Carbon Steel Pipe / A53 Steel Pipe |
| Standard | ASTM A53 / A53M (dimensions per ASME B36.10M) |
| Type | Type S — Seamless; Type E — Electric-Resistance Welded (ERW); Type F — Furnace-Butt Welded (small sizes) |
| Grade | Grade A / Grade B |
| Material | Carbon Steel |
| Size Range | NPS 1/8″ – 24″ (DN6 – DN600) |
| Outside Diameter | 10.3 mm – 610 mm |
| Wall Thickness | SCH 10, 20, 30, 40, STD, 60, XS, 80, 100, 120, 140, 160, XXS (1.24 mm – 59.54 mm) |
| Length | Single random 4.8 – 6.7 m (16 – 22 ft); double random 6.7 – 10.7 m (22 – 35 ft); fixed 5.8 m / 6 m / 11.8 m / 12 m; cut-to-length service available |
| Surface Finish | Black bare / black varnished / anti-rust oil / hot-dipped galvanized / 3PE / FBE / epoxy coating |
| Zinc Coating Weight | ≥ 1.8 oz/ft² (0.55 kg/m²) for hot-dipped galvanized pipe |
| Pipe End | Plain end / beveled end (30° ± 5°) / threaded end (NPT, BSP) / grooved end |
| End Protection | Plastic caps / steel end protectors |
| Tensile Strength | Grade A ≥ 330 MPa (48 ksi); Grade B ≥ 415 MPa (60 ksi) |
| Yield Strength | Grade A ≥ 205 MPa (30 ksi); Grade B ≥ 240 MPa (35 ksi) |
| Testing | Hydrostatic test or non-destructive electric test (eddy current / ultrasonic); tensile, flattening and bend tests |
| Marking | Size, grade, heat number, standard and manufacturer’s name per ASTM A53; custom stencil / ink-jet marking available |
| Certificate | EN 10204 3.1 Mill Test Certificate (MTC) |
| Third-Party Inspection | SGS / BV / TÜV accepted |
| Packing | Hexagonal or rectangular bundle with galvanized steel strips; plastic end caps; wooden or steel pallet for LCL shipment |
| Application | Low-pressure water, gas, air and steam lines; oil and gas gathering; fire protection piping; structural, scaffolding and general fabrication |
| MOQ | 5 tons per size (negotiable for trial orders) |
| Delivery Time | 15 – 30 days after receipt of deposit |
| Payment Terms | 30% T/T deposit, balance against B/L copy; or irrevocable L/C at sight issued by a first-class bank |
| Port of Loading | Tianjin port or as required |
| Remark | Items are to be confirmed per order. Specifications are subject to the current edition of ASTM A53/A53M. |
| Item | Grade A | Grade B |
|---|---|---|
| Carbon (C), max | 0.25 % | 0.30 % |
| Manganese (Mn), max | 0.95 % | 1.20 % |
| Phosphorus (P), max | 0.05 % | 0.05 % |
| Sulfur (S), max | 0.045 % | 0.045 % |
| Tensile Strength, min | 330 MPa (48 ksi) | 415 MPa (60 ksi) |
| Yield Strength, min | 205 MPa (30 ksi) | 240 MPa (35 ksi) |
| Typical Use | General low-pressure service, bending and forming | Higher strength; water, gas, steam and structural service |
| Remark | Values are shown for heat analysis of seamless pipe. Requirements for Type E and Type F pipe follow the corresponding tables of ASTM A53/A53M. | |
Advantage
1）Full Range from One Factory Both seamless (Type S) and ERW welded (Type E) pipe in Grade A and Grade B, NPS 1/8″–24″, Schedule 10 to XXS — one supplier covers your whole order list.
2) Documented Quality, Every Lot Mill test certificate to EN 10204 3.1 issued with each production lot. Hydrostatic or non-destructive electric testing, plus third-party inspection (SGS / BV / TÜV) on request.
3) Application-Ready Options Black or hot-dipped galvanized (zinc coating ≥ 1.8 oz/ft²), plain / beveled / threaded ends, plastic caps, cut-to-length service and custom stenciling.
4) Stable Supply, Predictable Lead Time【50,000】tons monthly capacity, 15–30 days production lead time, OEM and private-label marking supported.
Application
1. Oil & Gas / Petrochemical
Low-pressure process piping, gas distribution lines, oil gathering and transfer lines, plant utility piping. Typically supplied in Grade B, black or coated, Sch 40 / Sch 80, plain or beveled ends.
2. Water & Wastewater
Water mains, distribution networks, irrigation systems, sewage and drainage lines, pump station piping. Hot-dipped galvanized A53 pipe is a common choice for potable and industrial water lines.
3. Construction & Structural
Scaffolding, greenhouse frames, guardrails, fence posts, handrails, piling and structural bracing. Grade B with black finish offers a good strength-to-cost ratio for structural work.
4. HVAC & Mechanical Services
Compressed air lines, chilled water and condensate piping, steam and low-pressure service piping in plants and commercial buildings.
5. Fire Protection
Sprinkler and standpipe piping for fire protection systems (UL / FM listed options and ASTM A795 grade available on request).
6. Machinery & Fabrication
Machine frames, roller and conveyor tubes, shaft sleeves, loading arms, racks and general fabrication.
7. Power & Energy
Plant service water, auxiliary low-temperature piping and general utility lines in power and energy facilities.
8. Agriculture
Irrigation mains, livestock watering lines and agricultural equipment frames, usually in galvanized finish for corrosion resistance.
Packaging & Shipping
- Bundles: Hexagonal or rectangular bundles secured with galvanized steel strips.
- LCL shipments: Bundles loaded on wooden or steel pallets and wrapped for handling.
- FCL shipments: Bundles loaded directly into 20GP / 40GP containers, or shipped break-bulk for large diameters.
- Marking: Bundle tags showing size, grade, heat number, quantity and destination.
- Loading capacity: Approximately 【20–25】 tons per 20GP, depending on size, wall thickness and stowage plan — confirmed per order before booking.
- Port of loading: Tianjin port or as required
- Documents: Commercial invoice, packing list, Bill of Lading, Mill Test Certificate, Certificate of Origin and other certificates as required.
Frequently Asked Questions About A53 carbon steel pipe manufacturers
1. Are you Manufacturer or trading company?
We are Manufacturer more than 15 years experience in Tianjin, China
2. How do we trust your company?
We are specialized in steel business for years as golden supplier on Alibaba, you could place an order in Alibaba with trade assurance which could secure your payment.
3. Can I get samples before order ?
Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.We accept OEM/ODM.So,we can make it according to your special requirement.
4. How will you delivery my order?
Normally for the order quantity less than 45 kgs, we send by Express; from 45-200kgs we suggest to send by Air. For Bulk order,we will send by Sea. It all depends, we will compare and find the best solutions.
5. How long is the delivery time for bulk order?
It depends on the order quantity, normally the delivery time will be 15-30 working days. Pls kindly contact us before order.
6. What is your payment terms?
Our usual payment term is 30% deposite, and the balance 70% TT before delivery, or rest against B/L. L/C is also acceptatble. EXW,FOB,CFR,CIF.
7. Will you delivery the goods on time?
Yes,we promise to provide best quality products and delivery on time.Honesty is our company’s tenet.
8. How can I get a quotation from you ?
You can leave us message, and we will reply every message in time. Or we may talk on line by click this mark of page right.
