----ABOUT OUR COMPANY
we are the top 5 manufacture of precision seamless steel tube in China , we have passed ISO 90012008 VERIFIED certification ,our company mainly priduces various specifications cold finished steel tube which are widely used in hydraulic cylinder ,oil drilling ,textil machinery ,engineering mahinery and so on ,if you are interested in our product ,welcome to our company to visting and negotiating .
---ABOUT OUR PRODUCT
Product Item | AISI 1020 carbon seamless steel tube for telescopic and pneumatic cylinder |
Outer Diameter | 30mm~250mm |
Wall Thickness | 2mm~30mm |
Material Grade | 10#-45#, 16Mn, Q195-Q345, ST35-ST52, STB35-STB42, 20#, 45#, 16Mn, Q345, ST35, St45, St52, St52.4, STB42, 10#-45#,ST35-ST52 |
Standard | ASTM, DIN, ASTM A1020-2002, DIN 2391 |
Application | Hydraulic Pipe, Hydraulic cylinder, automobile, oil drilling, textile machinery |
Certificate | ISO9001:2008 |
Process Method | Cold Drawn/ Cold Rolled |
Surface Finish | Annealed, Pickled or according to the customer’s acquirement |
Package | According to the customer’s requirement |
Delivery Time | 10days more or according to the customer’s requirement |
Price Item | FOB CIF EXW |
Payment | T/T(30% in advance, 70% against the BL Copy) and L/C at sight or as negotiation |
ID tolerance | H8,H9b H10 or as customized |
Surface roughness | Ra0.2~0.8µm |
Finally supply condition | BK BKS BKW NBK GBK |
---ABOUT SOME DIMENSIONS
40*50 | 90*110 | 140*170 | 190*215 |
40*55 | 95*110 | 145*170 | 190*220 |
50*60 | 95*115 | 150*170 | 190*225 |
50*65 | 100*110 | 150*175 | 200*220 |
55*70 | 100*114 | 150*180 | 200*225 |
60*70 | 100*115 | 155*180 | 200*230 |
60*75 | 100*120 | 160*175 | 200*245 |
60*78 | 100*125 | 160*180 | 200*250 |
63*73 | 105*125 | 160*185 | 220*250 |
63*75 | 110*125 | 160*190 | 220*270 |
63*76 | 110*130 | 160*195 | 225*250 |
63*78 | 115*130 | 165*190 | 240*273 |
65*80 | 115*135 | 165*205 | 250*290 |
70*80 | 120*140 | 170*200 | 250*300 |
70*82 | 125*140 | 180*200 | 260*300 |
70*85 | 125*145 | 180*205 | 280*323 |
70*90 | 125*150 | 180*210 | 280*355 |
75*90 | 130*150 | 180*215 | 300*350 |
80*92 | 130*155 | 180*220 | 200*213 |
80*95 | 130*160 | 185*205 | 200*216 |
80*100 | 135*160 | 185*215 | 250*266 |
85*100 | 140*160 | 185*220 |
|
90*105 | 140*165 | 190*210 |
|
--- THE TOLERANCE OF DIMENSION
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 |
|
---ABOUT THE PROCESSING
---ABOUT THE PACKAGING AND SHIPPING
(1)Delivery time: In 20 days or according to client's requires
(2)Trade terms: EXW/FOB/CIF etc
(3)Payments: T/T or L/C or according to client's requires
(4)Port: Yantai or Qingdao
(5)MOQ: 5 metric tons or at customer's demands
(6)Packing: we usually bundle with steel strips ,
branding parcel or wooden box outside ,or according to the customer’s acquirement
---ABOUT OUR SERVICES
1. Cargo track service during transporting and feedback service after cargo is loaded on board
2. Flexible terms of payment by
3. Big discount for repeat customers
4. Smooth delivering procedure
5. Payment Terms: T/T , L/C And so on.
---ABOUT OUR CERTIFICATE
---RFQ
What are our strengths?
1. Free sample can be provided
2. Small order is acceptable
3. Any third party testing is acceptable
4. 12Months quality guarantee
5. Factory price
6.we have various specification seamless steel tube