OD 15-75mm
Free
Free
Seamless
Cold Drawn
Carbon Steel
Oiled
Hydraulic/Automobile Pipe, Machinery Industry, Special Purpose
Round
Yes
15-70mm
1-20mm
Bright
Yes
bluesky pipe
Bund
China
7304319000
Product Description
| steel grade | +C(BK) | +LC(BKW) | +SR(BKS) | +A(GBK) | +N(NBK) | |||||||
| Rm(Mpa) | A(%) | Rm(Mpa) | A(%) | Rm(Mpa) | Reh(Mpa) | A(%) | Rm(Mpa) | A(%) | Rm(Mpa) | Reh(Mpa) | A(%) | |
| 10 | 430 | 8 | 380 | 10 | 400 | 300 | 16 | 335 | 24 | 320~450 | 215 | 27 |
| 20 | 550 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440~570 | 255 | 21 |
| 35 | 590 | 5 | 550 | 7 | - | - | - | 510 | 17 | ≥460 | 280 | 21 |
| 45 | 645 | 4 | 630 | 6 | - | - | - | 590 | 14 | 540 | 340 | 18 |
| 25Mn | 650 | 6 | 580 | 8 | 580 | 450 | 10 | 490 | 18 | - | - | - |
| Q355B | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490~630 | 355 | 22 |
| Q420B | 750 | 4 | 620 | 8 | 690 | 590 | 12 | 520 | 22 | 550~700 | 425 | 22 |
| 25CrMo | 720 | 4 | 670 | 6 | - | - | - | - | - | - | - | - |
| 42CrMo | 720 | 4 | 670 | 6 | - | - | - | - | - | - | - | - |
| Size tolerance | |||||
| OD | Standard tolerance | Special tolerance | |||
| Outer Diameter | GB/T3639 | DIN2391 | EN10305 | O D | thickness |
| 4mm-20mm | ±0.10 mm | ±0.08 mm | ±0.08 mm | ±0.05mm | ±0.05mm |
| 20mm-30mm | ±0.10 mm | ±0.08 mm | ±0.08 mm | ±0.08 mm | ±0.08 mm |
| 31mm-40mm | ±0.15 mm | ±0.15 mm | ±0.15 mm | ±0.10 mm | ±0.08 mm |
| 41mm-60mm | ±0.20 mm | ±0.20 mm | ±0.20 mm | ±0.15 mm | ±0.15 mm |
| 61mm-80mm | ±0.30 mm | ±0.30 mm | ±0.30 mm | ±0.20 mm | ±0.20 mm |
| 81mm-120mm | ±0.45 mm | ±0.40 mm | ±0.40 mm | ±0.30 mm | ±0.30 mm |
| GB | ASTM/ASME | DIN | EN | JIS | |||||
| GB/T8162 | 10 | A53 | A | DIN1629 | St37 | EN17121 | St37-2/3 | G3454 | STPG370 |
| GB/T8163 | A106 | A | |||||||
| GB/T3639 | A519 | 1010 | |||||||
| 20 | A53 | B | DIN1629 | St44 | EN17121 | St44-2/3 | G3454 | STPG410 | |
| A106 | B | ||||||||
| A519 | 1020 | ||||||||
| 45 | A1045 | CK45 | |||||||
| Q235 | A519 | 1021 | EN10210-1 | S235JRH | G3444 | STK400 | |||
| EN1097-1 | E235 | ||||||||
| Q345 | A519 | 1524 | DIN1629 | St52 | G3444 | STK500 | |||
| 37Mn5 | J55 | ||||||||
| 35CrMo | 4135 | G4105 | SCM435 | ||||||
| 20Cr | 5120 | SCr420 | |||||||
| 40Cr | 5140 | SCr440 | |||||||
| 15CrMo | SCM415 | ||||||||
| 20CrMo | 4119 | SCM420 | |||||||
| 42CrMo | 4150/4142 | SCM440 | |||||||
| 20CrMnTi | SMK22 | ||||||||
