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Help CenterE355 Precision Welded Honed Cold Drawn Steel Tube
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♦WELCOME TO OUR FACTORY
we are the top 5 manufacturer of precision seamless steel tube in China ,we mainly produces all kinds of specifications cold finished seamless steel tube ,which are widely used in hydraulic cylinder ,automobile ,oil drilling ,engineering ,textil machinery ,and so on , company established in 1992 ,so we have more than 20 years experience in the steel tube world ,so welcome to our company to visiting and negotiate business .
♦ABOUT OUR PEODUCT
COMMODITY NAME : E355 precision welded honed cold drawn steel tube
Production |
Steel pipe / steel tube |
Standard |
DIN2391, EN10305, GB/T 3639, GB /8162 ASTM A519 ,A106 ,AISI 1020,4140 |
Inner Diameter |
30mm~250mm |
Wall Thickness |
0.5mm~18mm |
Material |
10#~45#,16Mn,Q195~Q345,ST35~ST52 |
Length |
as customers required |
Surface treatment |
As customers required |
Package |
1. bundle packing 2. marking as per customer's requests 3. paint on the pipe as per customer request 4. pipe caps as customer reques |
Min Order Quantity |
According to customer's requirement |
Payment terms |
L/C, T/T |
Contact |
If you have any questions, please feel free to contact me. |
Delivery conditions |
1. NBK(+N) after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium 2. GBK(+A) after cold forming, annealing in non oxidizing medium protective gas 3. BK(+C) the final heat treatment after cold forming, therefore small steel pipe plastic, the plastic degree does not guarantee 4. BKW(+LC) after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring) 5. BKS(+SR) have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing again |
♦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 |
+0.230 |
CHEMICAL COMPOSITION
|
C |
Si |
Mn |
S |
P |
Cr |
|||
10# |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
|||
20# |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
|||
35# |
0.32-0.39 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
|||
45# |
Steel grade |
Chemical composition(%) |
0.50-0.80 |
≤0.035 |
≤0.035 |
|
|||
Q345B/ST52 |
≤0.22 |
≤0.55 |
≤1.6 |
≤0.025 |
≤0.025 |
≤0.25 |
|||
|
Advantages
|
1.Super quality |
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2.Competitive price |
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3.High daily output |
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4.Good transportation |
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5.Short delivery time |
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6.Relevant certificates will be offered |
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7.Manufacturer,Good after sales service |
|
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SOME PHOTOS ABOUT FACTORY AND PRODUCTS
♦PCKAGING AND SHIPPING
Packaging Detail: |
1. bundle packing 2. marking as per customer's requests 3. paint on the pipe as per customer request 4. pipe caps as customer reques |
Delivery Detail: |
10days more, or according to the customer’s request |
OUR SERVICES
1. cargo track service during transporting and feedback service after cargo is loaded on board
2. flexible terms of payment by T/T and L/C
3. big discount for repeat customer
4. smooth delivering procedure
OUR PROCESSING
OUR CERTIFICATE
APPLICATION
cold drawn seamless steel tube 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, forestry machinery, etc.
OUR 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 accordance with specification,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. |
Send Inquiry to This Supplier
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