Applications
- Steel structures and welded fabrication
- Construction, machinery, and infrastructure projects
- General forming, cutting, and service-center processing
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Overview
A179 is an ASTM standard specification for seamless cold-drawn low-carbon steel tubes for heat exchangers and condensers. It is not a standard grade for "round bar". Round bars of similar low-carbon composition are typically supplied under standards such as ASTM A29 for general purpose. Material Low-Carbon Steel (for cold-drawn tube application). Note: "A179" is a standard for seamless cold-drawn low-carbon steel tubes, not a plate/round bar material designation. Thickness For Tube Wall Thickness: Typically 0.83mm (0.0325 in) to 12.7mm (0.500 in) as per standard. The stated range (0.1mm-300mm) is incorrect for this product. Standard ASTM A179 / ASME SA179 Technique Cold Drawn, Seamless (for tubes). "Hot rolled, cold rolled" is incorrect for ASTM A179 tubes. Surface Treatment Clean, blasting and painting according to customer requirement. (Note: Standard finish is bare/cold drawn.) Thickness tolerance Per ASTM A179, wall thickness tolerance is +20%, -0% of the nominal wall for most sizes. The stated ±0.1mm is incorrect. Application Seamless cold-drawn low-carbon steel tubes for heat exchangers, condensers, and similar heat transfer equipment. The description related to automotive structural parts is incorrect for ASTM A179. Shipment time Within 7-15 workdays after receiving deposit or L/C Export packing Waterproof paper, and steel strip packed. Standard Export Seaworthy Package.Suit for all kinds of transport,or as required Capacity 250,000 tons/year Round steel belongs to carbon structural steel for construction and machinery, while square steel belongs to carbon structural steel for machinery. Both of them are simple section steel, and their section shapes are respectively round and square. Low carbon is mainly used for drawing wire, forging rivets, bolts, nuts and other metal products of raw materials. Medium carbon round steel and square steel are generally used to make mechanical structural parts.
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Share quantity, destination port, cutting requirements, packing method, and inspection documents.
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Full specifications
| Property | Value |
|---|---|
| Material | Low-Carbon Steel (for cold-drawn tube application). Note: "A179" is a standard for seamless cold-drawn low-carbon steel tubes, not a plate/round bar material designation. |
| Thickness | For Tube Wall Thickness: Typically 0.83mm (0.0325 in) to 12.7mm (0.500 in) as per standard. The stated range (0.1mm-300mm) is incorrect for this product. |
| Standard | ASTM A179 / ASME SA179 |
| Technique | Cold Drawn, Seamless (for tubes). "Hot rolled, cold rolled" is incorrect for ASTM A179 tubes. |
| Surface Treatment | Clean, blasting and painting according to customer requirement. (Note: Standard finish is bare/cold drawn.) |
| Thickness tolerance | Per ASTM A179, wall thickness tolerance is +20%, -0% of the nominal wall for most sizes. The stated ±0.1mm is incorrect. |
| Application | Seamless cold-drawn low-carbon steel tubes for heat exchangers, condensers, and similar heat transfer equipment. The description related to automotive structural parts is incorrect for ASTM A179. |
| Shipment time | Within 7-15 workdays after receiving deposit or L/C |
| Export packing | Waterproof paper, and steel strip packed. Standard Export Seaworthy Package.Suit for all kinds of transport,or as required |
| Capacity | 250,000 tons/year |
Export seaworthy packing with bundle labels and loading support.
Mill certificate, inspection support, and shipment documentation can be coordinated before loading.
FAQ
Please confirm grade or standard, size, quantity, destination port, packing method, and required inspection documents before requesting a quotation for A179 Carbon steel round bar.
Yes. Mill test certificates, packing lists, commercial documents, and optional third-party inspection can be coordinated before shipment.
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