Our main product is high frequency straight welded pipe made by cold rolled steel strip. The round pipe is most popular pipe in other shapes.
Cold Rolled High Frequency Straight Welded Steel Round Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Cold Rolled High Frequency Straight Welded Steel Square Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Cold Rolled High Frequency Straight Welded Steel Rectangler Pipe
Executive Standard: ASTM, DIN, JIS, GB
Grade: Q195-Q235
Cold Rolled High Frequency Straight Welded Steel Round Pipe
Executive Standard: ASTM, DIN, JIS, GB
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 |
Pre-galvanlized pipes | 0.3150-3.9370 | 10-100 | 0.0118-0.0787 | 0.3-2.0 |
Cold hard pipes | 0.3150-3.9370 | 10-100 | 0.0118-0.0787 | 0.3-2.0 |
Cold Rolled High Frequency Straight 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 |
Pre-galvanlized pipes | 0.3937²-2.3622² | 10²-60² | 0.0118-0.0787 | 0.3-2.0 |
Cold hard pipes | 0.3937²-2.3622² | 10²-60² | 0.0118-0.0787 | 0.3-2.0 |
Cold Rolled High Frequency Straight 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 |
Pre-galvanlized pipes | 0.2362*0.3937-1.9685*3.9370 | 6*10-50*100 | 0.0118-0.0787 | 0.3-2.0 |
Cold hard pipes | 0.2362*0.3937-1.9685*3.9370 | 6*10-50*100 | 0.0118-0.0787 | 0.3-2.0 |
Cold Rolled High Frequency Straight 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 |
Pre-galvanlized pipes | T/Z/L 0.9843-1.4960 | T/Z/L 25-38 | 0.0236-0.0787 | 0.6-2.0 |
Cold hard pipes | T/Z/L 0.9843-1.4960 | T/Z/L 25-38 | 0.0236-0.0787 | 0.6-2.0 |
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 |
The British equivalents of the Q195 grades are 15 HR and S185; American equivalent is ASTM A 366.
GB/T 700, Q195
GB/T 700, Q195
ISO HR2(σs195)
JIS SS330(SS34)(σs205)
DIN St33
BS 040A10
NF A33
Compositions
C ≤0.12, Mn ≤0.50, Si ≤0.30, S ≤0.040, P ≤0.035