| E235 Chemical Composition(%) |
| C | Si | Mn | S | P | Cr | Ni | Cu | Mo | Yield Strength | Tensile Strength |
| ( σs ) | ( σb ) |
| ≤0.17 | ≤0.37 | ≤1.20 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 | / | / | ≥480 |
| (MPa) |
| End Shape | Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements |
| Technique | Cold drawn |
| Application | 1. Automotive and mechanical pipes |
| 2. Petroleum cracking pipes |
| 3. High Pressure Boiler Pipe |
| 4. Low and middle pressure fluid transportation pipeline |
| 5. Chemical fertilizer equipment pipes |
| 6. Heat exchanger pipes |
| Delivery | 1. BK (+C) | No heat treatment after last cold forming process. |
| Conditions | 2. BKW (+LC) | After last heat treatment there is a light finishing pass (cold drawing) |
| 3. BKS (+SR) | After the final cold forming process the tubes are stress relieve annealed. |
| 4. GBK (+A) | After the final cold forming process the tubes are annealed in a controlledatmosphere. |
| 5. NBK (+N) | After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere. |
| Package | 1. Bundle Packing. |
| 2. Hexagonal packing or as per customer's request. |
| 3. Wrapped in waterproof paper. |
| 4. Sackcloth with several steel strips. |
| 5. Pack in heavy tri-wall boxes. |