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a53 grb seamless steel tubes
1.Grade:20#(ck20,aisi1020),45#(ck45,aisi1045),st52(16Mn,Q345D),25Mn(STKM13CSt52 Hydraulic Cylinder using Cold drawn Seamless pipe-T),27SiMn
2.ID:30-250mm
3.ID tolerance:H8,H9
4.Surface roughness:Ra 0.02— 0.4μm
5. Final supply condition:cold drawn and stress-relieved(BK+S)
6. Machining allowance:0.5-1.5mm
7.Wall thickness:10%×ID
Hydraulic pneumatic liner actuator standard/size/precise
| Processing the form | Cylinder diameter | Length | Straightness | Dimensional accuracy | Wall thickness | Inner hole roughness |
| cold drawn | 48~325 | ≤12m | 0.3~0.8mm/m | ±10% | 0.8~1.6µm | |
| honing | 48~325 | ≤10m | 0.3~0.8mm/m | H8~H9 | ±10% | 0.3~0.8µm |
| roling | 50~250 | ≤ 9m | 0.3~0.8mm/m | H7~H9 | ±10% | 0.01µm |
Mechanics performance
Material | Tensile strength | Yield strength | Elongation | Hardness |
Ck20/20#/AISI1020 | >520 N/ mm2 | >375 N/mm2 | >15% | >85HB |
Ck45/45#/AISI1045 | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
ST52/16Mn/Q345D | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
25Mn/STKM 13C-T | >600 N/ mm2 | >530 N/ mm2 | >15% | >85HB |
Dimension tolerance
ID size | ID deviation (mm) | |||
H7 | H8 | H9 | H10 | |
30 | +0.021 0 | +0.033 0 | +0.052 0 | +0.084 0 |
>30~50 | +0.025 0 | +0.039 0 | +0.062 0 | +0.100 0 |
>50~80 | +0.030 0 | +0.046 0 | +0.074 0 | +0.120 0 |
>80~120 | +0.035 0 | +0.054 0 | +0.087 0 | +0.140 0 |
>120~180 | +0.040 0
| +0.063 0 | +0.100 0 | +0.160 0 |
>180~250 | +0.046 0 | +0.072 0 | +0.115 0 | +0.185 0 |
>250~315 | +0.052 0 | +0.081 0 | +0.130 0 | +0.210 0 |
>315~400 | +0.0527 0 | +0.089 0 | +0.140 0 | +0.230 |
Material range of YANTAI XINPENG
Steel Grade | ||
DIN | 1629 | ST 37 / 44 / 52 |
| 1630 | ST 37.4 / 44.4 / 52.4 |
| 2391-2 | ST 35 / 45 / 52 |
EN | 17204 | C22 – Ck 22 – Cm22 – |
| 17210 | C15 – Ck 15 – Cm 15 – 16MnCr5 |
| 10305-1 | E215/235/355/255 |
GB | 3639 | 10#, 20#, 16Mn, 45# |
ASTM | A 519 | 1010 |
Our Company
We are professional supplier of steel tubes, cold drawn steel tube, cold rolled steel tube,
cold drawn honed steel tube, cold drawn rolled honed tube, honed tube, SRB tube, hydraulic cylinder pipe and so on.
Material:20# 45# 16Mn 25Mn 27SiMn ST35 ST52
Standard:GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519
O
Our Customers
Our Workshop
Our Company is equipped with JLB250T hydraulic cold drawn machine set,LD120 precision cold rolled machine set, multiple precision straightening machine,box heat treat furnaces(8000-10000mm), advanced CNC skived and roller burnished machine SRB-6000mm, several powerful honed machine, combined cold drawn, cold rolling, heat treatment, and SRB process to produce the best quality products.
Our Products
Honing tube and rolling tube inside and outside wall oxide layer, to withstand high pressure without leakage, high-precision, high-quality finish, cold deformation, flaring, flattening without cracks a bit, so mainly used to produce pneumatic or hydraulic components products, such as cylinder or cylinders, which can be seamless. Chemical composition of two kinds of materials are C, Si, Mn , S, P, Cr. Relatively speaking rolling tube better than honing tube good.
Application
Hydraulic cylinder tube st52 din2391 widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestrymachinery, etc.
Package
As per to customers' request Good Packing is siutable for long distance ocean shipment
FAQ
1. What is your main market?
Mid East, South America, South Asia, Africa, Southeast Asia,Europe, etc.
2. Are you factory?
Yeah, we are.
3. What is your term of delivery?
We accept EXW, FOB, CIF, etc. You can choose the one which is the favorite or cost effective.
4. What is the delivery time?
If we have the raw material, we can send goods about 20 days. If not, we will about 30 days for delivery.
Our Service
TEL:+86-535-6835398
Send Inquiry to This Supplier
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