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Help Centerthe Best Manufacture of Telescopic Cylinder Precision Seamless Cold Finished Steel Tube
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~~~WE ARE THE MANUFACTURE ~~~
we are the top 5 manufacture of precision seamless steel tube in China , we have produce various specificatios cold finished steel tube ,such as cold drawn /cold rolled seamless steel tube ,SRB tube ,honed tube and hydraulic cylinder etc.our products mainly uesd in hydraulic cylinder ,automobile ,oil drilling ,textil machinery ,and engineering machinery ,welcome to our factory to visting and negotiate business .
~~~ABOUT OUR PRODUCT ~~
Product |
the best manufacture of telescopic cylinder precision seamless cold finished steel tube |
Material |
Carbon Steel/ Alloy Steel |
Section Shape |
Round |
Grade |
10#(St37.4,St35,St37,E235),20#(St45,St44,E255),45#(Ck45),16Mn(St52) and other special material. |
Standard |
DIN2391,EN10305-1,GB/T3639 |
Certification |
ISO9001 |
Technique |
Cold rolled & Cold drawn |
Application |
Widely used in automobiles, motorcycles, gas springs, hydraulic machinery, construction machinery and refrigeration industry. |
Supply Status |
BK, BKS, BKW,NBK, GBK |
Package |
Wrap in bundles with plastic woven bags |
Trade Terms |
T/T L/C |
Delivery Time |
In time |
~~~ the tolerance of the steel tube
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 |
|
~~~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 |
|
~~~ABOUT THE PACKAGING ~~
(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 THE PROCESSING
~~about the testing
1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material |
2.100% Dimension & Visual Examination |
|
3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test |
4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT) |
|
5.Radiographic Test for Welded Pipe (shall be accord or shall be as agreed upon between the purchaser and vendor) |
6.Straightness Test (optional) |
7.Roughness Test (optional) |
8.Intergranular Corrosion Test(optional) |
9.Impact Test (optional) |
10.Grain Size Determinations (optional) |
|
NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION. |
ABOUT THE CERTIFICATE
Send Inquiry to This Supplier
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