Terra Steel
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| Specification | Details |
|---|---|
| Products Name | Round bar |
| Standard | JIS, AISI, ASTM, GB, DIN, EN |
| Processing range | OD: 12.7-3000mm, WT:0.5-50mm |
| Welded method | TIG OR PLASMA + TIG |
| Processing ability | Pickling, X-Ray flaw detector, Hydrostatic testing, Annealing treatment |
| Tolerance | ±1% |
| Material | Q195, Q235, 10#, 20#, 35#, 45#, Q215, Q345, 12Cr1Mov, 15CrMo, 304, 316, 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo, 40CrNiMo, GCr15, 65Mn, 50Mn, 50Cr, 3Cr2W8V, 20CrMnTi, 5CrMnMo, etc. |
| Surface finish | Smooth |
| Shape | Round Pipe Tube |
| Usage | Industry, Water Pipeline, Heat Exchanger, etc. |
| Category | Steel Grade Examples |
|---|---|
| Austenitic Stainless Steel | 201, 301, 304, 305, 310, 314, 316, 321, 347, 370, etc. |
| Martensitic Stainless Steel | 410, 414, 416, 420, 431, 440A, 440B, 440C, etc. |
| Duplex Stainless Steel | S31803, S32101, S32205, S32304, S32750, etc. |
| Ferritic Stainless Steel | 429, 430, 433, 434, 435, 436, 439, etc. |
| Surface | Characteristic | Processing Technology |
|---|---|---|
| N0.1 | Original | Pickled after hot rolling |
| 2B | Blurred | Hot rolling + annealing + cold rolling + tempering |
| N0.4 | Matte | Polishing with 150-180 mesh abrasive material |
| HL | Brushed | Grinding for longitudinal texture |
| BA | Bright | Annealed with high reflectivity |
| 8K | Mirror | Fine grinding and polishing |
