Black carbon steel tube for round-section frames, scaffolding, fencing and general fabrication. Confirm diameter, wall thickness, grade, length, end treatment and MOQ per order.
Source black carbon steel tube for general fabrication, frames and project components that need a practical round section. Small and medium sizes, wall thickness, grade, length and production route are selected against the buyer’s drawing or purchase specification. Send the intended use and required dimensions so the quotation starts from a usable section rather than a catalogue assumption.
Round tube gives fabricators a familiar section for cutting, joining and frame assembly. Q195, Q235B, A36, 20# or another approved grade can be reviewed when the project calls for a specific material. The final grade is not assumed from the product name. A clear grade request helps the buyer compare offers on the same basis. The round profile also makes the required outside diameter easy to state on a drawing.
The black finish and supply condition should be stated clearly in the order. Buyers can also confirm outside diameter, wall thickness, straight length, end condition and inspection documents before quotation, which keeps the material selection tied to the actual application. When the tube will be welded into a frame, include the joint detail and finished length in the inquiry. Buyers can then compare the material against the same fabrication brief.
| Item | Supply reference |
|---|---|
| Produk | Black carbon steel round tube |
| Section | Round |
| Outside diameter | Small and medium sizes, confirm per order |
| Wall thickness | Confirm per order |
| Panjang | Confirm per order |
| Gred | Q195, Q235B, A36, 20# or approved alternative, confirm per order |
| Production route | Confirm per order |
| Kuantiti Pesanan Minimum | Confirm per order |
Black carbon steel tube works for projects where a round section simplifies cutting, welding or mechanical assembly. The engineer or buyer should match diameter and wall thickness to the required load, connection and service condition before placing the order. The selected section should be checked against the drawing before fabrication begins.
Confirm cutting, drilling, welding, threading, beveling and end treatment before production. Drawings are useful when the tube needs holes, notches, fitted ends or a defined assembly length. A cutting list also helps reduce clarification before production. Include the required tolerance when the finished parts must fit an existing frame. Confirm the required cut sequence when several lengths share one bundle.
Tubes are bundled for loading and shipment. Bundle size, marking, protection and loading details are confirmed from the ordered dimensions, quantity and destination. The packing plan follows the final length and quantity. Marking can be matched to the buyer’s order reference.
The exact outside diameter is selected per order. Send the required size instead of relying on a broad catalogue label.
Q195, Q235B, A36 and 20# are possible review directions. The correct grade depends on the drawing, standard and service requirement.
Production route is confirmed per order. State whether the project requires welded or another approved route in the inquiry.
Yes, length can be reviewed against the cutting list or drawing. The final length is confirmed before production.
Cutting, beveling, threading or another end condition can be discussed when the buyer provides the required detail.
MOQ is confirmed per order because it depends on the size, grade, length, packing and production arrangement.
