Our welded pipes' welding is a important point to prove our good quality, even if the steel materials has been annealed. Client use the annealed pipe to bend and shape.
Cold Rolled Annealed Welded Steel Round Pipe
Cold Rolled Annealed Welded Steel Round Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Cold Rolled Annealed Welded Steel Square Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Cold Rolled Annealed Welded Steel Rectangler Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Grade: Q195-Q235
Product | Outside Diameter | Thickness | ||
Inches | MM | Inches | MM | |
Black annealed pipes | 0.3150-3.9370 | 10-100 | 0.0118-0.0787 | 0.3-2.0 |
Bright pipes | 0.3150-3.9370 | 10-100 | 0.0118-0.0787 | 0.3-2.0 |
Cold Rolled Annealed Welded Steel Square Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Product | Outside Diameter | Thickness | ||
Inches | MM | Inches | MM | |
Black annealed pipes | 0.3937²-2.3622² | 10²-60² | 0.0118-0.0787 | 0.3-2.0 |
Bright pipes | 0.3937²-2.3622² | 10²-60² | 0.0118-0.0787 | 0.3-2.0 |
Cold Rolled Annealed Welded Steel Rectangler Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Product | Outside Diameter | Thickness | ||
Inches | MM | Inches | MM | |
Black annealed pipes | 0.2362*0.3937-1.9685*3.9370 | 6*10-50*100 | 0.0118-0.0787 | 0.3-2.0 |
Bright pipes | 0.2362*0.3937-1.9685*3.9370 | 6*10-50*100 | 0.0118-0.0787 | 0.3-2.0 |
Cold Rolled Annealed Welded Steel Window Section Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Product | Outside Diameter | Thickness | ||
Inches | MM | Inches | MM | |
Black annealed pipes | T/Z/L 0.9843-1.4960 | T/Z/L 25-38 | 0.0236-0.0787 | 0.6-2.0 |
Bright pipes | T/Z/L 0.9843-1.4960 | T/Z/L 25-38 | 0.0236-0.0787 | 0.6-2.0 |
Annealing is a process used to make metals more workable by changing the atomic structure of the metal. This is accomplished by heating the metal to a high temperature and then allowing it to cool slowly.
Our Main Die Sizes:
Round Pipe | Square Pipe | Rectangle Pipe | Oval Pipe | |
φ11.8 | φ60 | 102 | 8*16 | 9.5*17 |
φ13 | φ63 | 122 | 8*18 | 10*20 |
φ14 | φ65 | 152 | 10*18 | 10*22.5 |
φ15 | φ67 | 162 | 10*20 | 11*21.5 |
φ16 | φ68 | 172 | 10*22 | 11.6*17.8 |
φ17.5 | φ70 | 182 | 10*30 | 12*23 |
φ18 | φ73 | 192 | 11*21.5 | 14*42 |
φ19 | φ75 | 202 | 11.6*17.8 | 14*50 |
φ20 | φ76 | 212 | 12*14 | 15*30 |
φ21 | φ80 | 222 | 12*34 | 16*22 |
φ22 | φ85 | 242 | 12*48 | 16*35 |
φ23 | φ100 | 252 | 12.3*25.4 | 16*45 |
φ24 | 25.42 | 13*23 | 20*40 | |
φ25 | 282 | 14*20 | 24.6*46 | |
φ26 | 28.62 | 14*72 | 30*60 | |
φ27 | 302 | 15*30 | 31.5*53 | |
φ27.5 | 322 | 15*88 | 40*12 | |
φ28 | 352 | 16*26 | 13.5*43.5 | |
φ28.6 | 372 | 17.5*15.5 | 20*38 | |
φ29 | 382 | 18*35 | 25*50 | |
φ30 | 402 | 17*37 | ||
φ31 | 452 | 19*38 | ||
φ32 | 482 | 20*30 | ||
φ33.5 | 502 | 20*40 | Egg 22*40 | |
φ34 | 22*25 | |||
φ35 | 22*26 | |||
φ36 | 25*38 | |||
φ37 | 25*30 | |||
φ38 | 25*40 | |||
φ39 | 25*50 | |||
φ40 | 27*40 | |||
φ42 | 30*40 | |||
φ43 | 30*50 | |||
φ44 | 30*60 | |||
φ45 | 30*70 | |||
φ47 | 40*60 | |||
φ48 | 45*75 | |||
φ50 | 40*80 | |||
φ50.8 | 50*100 | |||
φ52 | 35*78 | |||
φ54 | 15.5*35.5 | |||
φ56 | ||||
φ58 |