Standard| ASTM A106 A53 A192 A179 A210 A519 | | DIN17175 1629 2391 |
| EN10216-1 10216-2 10305-1 |
| and so on |
| Grade | St35,St45,St52,E215,E235,E355,sch10,sch20,A106,A179,A192,A210,T11,T22,T12,AISI4130,SAE1010,SAE1020.etc |
| Craft | Cold rolled and Cold drawn |
| Size | OD:8mm-100mm,WT:1-8mm |
| Length | Customized |
| Tolerance | Cold drawn pipe: +/-0.1mm
|
| Cold rolled pipe: +/-0.05mm |
| Used | Gas spring, Shock absorber, Cylinder and other high precision area |
| Delivery Condition | BK, BKW, BKS, GBK, NBK |
Cold Finished (Hard)(HK)
Cold drawn and stress-relieved(BK+S) | Hardness HB | | | Parameters | T.S | Elongation | T.S | Y.S | Elongation | | |
| obN/mm² | 65% | obN/mm² | obN/mm² | 65% | |
| CK20 | ≥550 | ≥8 | ≥520 | ≥470 | ≥12 | 175 | |
| CK45 | ≥650 | ≥5 | ≥600 | ≥520 | ≥12 | 207 | |
| ST52 | ≥640 | ≥5 | ≥600 | ≥520 | ≥15 | 190 | |
| 25Mn | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 | 195 | |
| 27SiMn | ≥840 | ≥5 | ≥800 | ≥720 | ≥10 | 230 | |
| | | | | | | | |
| Specifications: | | | | | | | |
| Pneumatic cylinder | Hydraulic cylinder |
| ID | OD | Thickness | Unit Weight | ID | OD | Thickness | Unit Weight |
| (mm) | (mm) | (mm) | (KG/M) | (mm) | (mm) | (mm) | (KG/M) |
| 40 | 45 | 2.5 | 2.62 | 40 | 50 | 5 | 5.548 |
| 50 | 57 | 3.5 | 4.618 | 40 | 55 | 7.5 | 8.785 |
| 63 | 69 | 3 | 4.883 | 45 | 60 | 7.5 | 9.71 |
| 80 | 86 | 3 | 6.14 | 50 | 60 | 5 | 6.782 |
| 80 | 88 | 4 | 8.286 | 50 | 63 | 6.5 | 9.056 |
| 90 | 100 | 5 | 11.714 | 50 | 65 | 7.5 | 10.635 |
| 100 | 108 | 4 | 10.259 | 50 | 70 | 10 | 14.796 |
| 100 | 110 | 5 | 12.947 | 55 | 66 | 5.5 | 8.206 |
| 125 | 133 | 4 | 12.725 | 56 | 73 | 8.5 | 13.52 |
| 125 | 135 | 5 | 16.029 | 63 | 76 | 6.5 | 11.14 |
| 140 | 152 | 6 | 21.602 | 63 | 80 | 8.5 | 14.987 |
| 150 | 160 | 5 | 19.112 | 63 | 83 | 10 | 18.008 |
| 160 | 170 | 5 | 20.345 | 65 | 80 | 7.5 | 13.409 |
| 160 | 172 | 6 | 24.561 | 70 | 80 | 5 | 9.248 |
| 180 | 194 | 7 | 32.28 | 70 | 83 | 6.5 | 12.262 |
| 200 | 214 | 7 | 35.732 | 70 | 86 | 8 | 15.388 |
| 200 | 216 | 8 | 41.034 | 70 | 90 | 10 | 19.728 |
| 200 | 219 | 9.5 | 49.08 | 75 | 90 | 7.5 | 15.258 |
| 250 | 266 | 8 | 50.9 | 80 | 93 | 6.5 | 13.865 |
| 250 | 273 | 11.5 | 74.159 | 80 | 95 | 7.5 | 16.183 |
| 300 | 320 | 10 | 76.446 | 80 | 100 | 10 | 22.194 |
| 320 | 340 | 10 | 81.378 | 80 | 102 | 11 | 24.685 |
| 400 | 426 | 13 | 132.4 | | | | |
| Out diameter(mm) | Wall thickness(mm) | Length(m) |
| 48.3-48.6 | 2.0-2.5 | 1.0-12 |
| 48.3-48.6 | 2.75 | 1.0-12 |
| 48.3-48.6 | 3.0 | 1.0-12 |
| 48.3-48.6 | 3.2 | 1.0-12 |
| 48.3-48.6 | 3.6 | 1.0-12 |
| 48.3-48.6 | 3.8 | 1.0-12 |
| 38.1 | 4.0 | 1.0-12 |
| 42.3 | 4.0 | 1.0-12 |
Our steel pipe has many advantages comparing to others, these pipe are made by erw steel pipes:
1. Lower price comparing to seamless steel pipe or stainless steel pipe;
2. Excellent physical performance in applications;
3. Shorter Delivery time;
4. Large quantities in stock;
