01 | Commodity: ST52 Honed Tube for Hydraulic Cylinder | |
02 | Process method: Cold drawn/cold rolling | |
03 | Surface finish: Annealed / cold pilgered / manual polished / mechanical polished | |
04 | Materials: 10# 20# 45# ST52 CK45,SCM440 ect | |
05 | Inside roughness:0.4-0.8μm Straightness: 0.3-1mm/m | |
06 | SIZE | Inside Diameter: 32-500 mm |
Wall Thickness:3.2-80mm | ||
Length: according to customer demand | ||
We can also supply Non-standard pipes / tube. | ||
07 | Delivery conditions: Solution annealed, pickled, grey white, with plain ends | |
08 | Application range: For foodstuff, medical equipment, biology, electron, chemical, petroleum, fertilizer, boiler, nuclear energy and etc. | |
09 | Packing: In seaworthy wooden cases or in bundles | |
10 | Min order quantity: Upon negotiation | |
11 | Terms of Payment: T/T or L/C at Sight. | |
12 | Delivery time: Min. 10 days | |
Grade:ST 52
CHEMICAL COMPOSITION (%)
Si(Max) | Mn(Max) | C(Max) | P (Max.) | S(Max) |
0.50 | 1.6 | 0.22 | 0.025 | 0.025 |
MECHANICAL PROPERTIES
Tensile strength Min | Yield Point Min | Elongation % Min |
580N/mm2 | 420N/mm2 | 10 |
EXCENTRICITY
Outer Diameter | Excentricity |
< =125 mm | 5 % |
> 125 mm | 7 % |
measured according to the formula:
E = (max Wt – min Wt)/( max Wt + min Wt) x 100 %
BORE OVALITY
The bore ovality is comprised in the 50 % of the inside diameter tolerances.
Dimension Tolerance
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