Audited Supplier
Seamless
Cold Drawn
Carbon Steel
Oiled
Hydraulic/Automobile Pipe, Machinery Industry, Construction & Decoration
Square
Plastic Cloth Pakage with Bundle. Both End Caps.
Product Description
honed tube used for Hydraulic cylinder
1. MATERIAL SPECIFICATION
ST52,BK+S,DIN2391,ASTM A 106
2. CHEMICAL COMPOSITION (%)
3. MECHANICAL PROPERTIES of ST52 hydraulic cylinder tube
Elongation(Min) Y.S (Min.) UTS (Min.)
≥15 470 N/MM2 580 N/MM2
4. SUPPLY CONDITION
Cold drawn seamless steel tube, honed tubes,Skived and rolling tubes.
5.Dimension tolerance:
6.Product description
1. MATERIAL SPECIFICATION
ST52,BK+S,DIN2391,ASTM A 106
2. CHEMICAL COMPOSITION (%)
| Grade\ Elements | C(max) | Si(max) | Mn | P | S(max) |
| ST35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| ST42 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| ST52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
3. MECHANICAL PROPERTIES of ST52 hydraulic cylinder tube
Elongation(Min) Y.S (Min.) UTS (Min.)
≥15 470 N/MM2 580 N/MM2
4. SUPPLY CONDITION
Cold drawn seamless steel tube, honed tubes,Skived and rolling tubes.
5.Dimension tolerance:
| Size of I.D | I.D Tolerance | Tolerance of wall thickness | ||
| H8 | H9 | H10 | ±5% | |
| 30 | +0.033 | +0.052 | +0.084 | |
| >30-50 | +0.039 | +0.062 | +0.100 | |
| >50-80 | +0.046 | +0.074 | +0.120 | |
| >80-120 | +0.054 | +0.087 | +0.140 | |
| >120-180 | +0.063 | +0.100 | +0.160 | |
| >180-250 | +0.072 | +0.115 | +0.185 | |
| >250-315 | +0.081 | +0.130 | +0.210 | |
| >315-400 | +0.089 | +0.140 | +0.230 | |
| Processing form | I.D | length | straightness | I.D tolerance | I.D Rounghness |
| Cold-rolled | 30-100 | ≤12M | 0.3-1.0 | H8-H10 | 0.4-1.6 |
| Cold-drawn | 30-250 | ≤12M | 0.3-1.0 | H8-H10 | 0.8-1.6 |
| Hone | 40-500 | ≤12M | 1000 | H8-H10 | 0.4-0.8 |
| SRB | 40-400 | ≤7M | 1000 | H8 | 0.1-0.4 |
