Home > Products > Cold rolled/drawn Seamless tube > Q345 Carbon Seamless Telecospic Cylinder Steel Tubing
Q345 Carbon Seamless Telecospic Cylinder Steel Tubing
- yantai/qingdao
- T/T Money Gram
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Product Details
| Thickness | 2, 30 | Section Shape | Round | |
| Outer Diameter | 30 - 250 mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Hydraulic Pipe | |
| Technique | Cold Drawn | Certification | Other, ISO 90012008 | |
| Surface Treatment | Other, according to the customer's aquirement | Alloy Or Not | Non-alloy |
Product Description
WELCOME TO OUR COMPANY
♥ OUR BEST PRODUCTS
Production | Q345 carbon seamless telecospic cylinder steel tubing |
Standard | ASTM ,DIN, EN, GB, JIS, AISI ,etc. |
Out Diameter | 30mm-250mm |
Wall Thickness | 2mm-30mm |
Material | 10#-45#,16Mn ,st35-st52,q345,etc. |
Length | 1-12m or as customers required |
Surface treatment | Black painting, black varnish, transparent oil, epoxy coating, etc, or according to the customer’s acquirement |
Technique | Seamless ,DOM |
Usage | 1.hydraulic cylinder 2. automobile 3. oil drilling 4. textile machinery 5. printing machinery 6. engineering machinery |
Package | 1. Bundle packing. 2. Beveled end or plain end or vanished as buyer's required. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends. |
Supply | 1. Seamless steel pipe 2. cold drawn seamless steel tube 3. cold rolled seamless steel tube 4. hot-rolled steel pipe 5.hydraulic cylinder steel tube 6.DOM tube |
Min Order Quantity | According to customer's requirement |
Payment terms | L/C, T/T, |
♥ TOLERANCE OF DIMENSION
OD | GB/T3639(GB8713) | DIN2391(EN10305) | Our Tolerence | Best Quality |
4-30mm | ±0.10mm | ±0.08mm | ±0.05mm | ±0.02mm |
31-40mm | ±0.15mm | ±0.15mm | ±0.05mm | ±0.03mm |
41-50mm | ±0.20mm | ±0.20mm | ±0.05mm | ±0.03mm |
51-60mm | ±0.25mm | ±0.25mm | ±0.08mm | ±0.03mm |
61-70mm | ±0.30mm | ±0.30mm | ±0.10mm | ±0.05mm |
71-160mm | ±0.30mm | ±0.30mm | ±0.10mm | ±0.05mm |
Tolerance in WT | ±0.12mm | ±0.10mm | ±0.05mm | ±0.03mm |
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Process | Diameter | Length | Precision | Inner Hole Roughness |
Cold Rolled | 30-100mm | ≤12 m | H8-H10 | 0.4-1.6 |
Cold Draw | 30-250mm | ≤12 m | H8-H10 | 0.8-1.6 |
Honing | 40-500mm | ≤12 m | H8-H9 | 0.4-0.8 |
Rolling | 40-400mm | ≤7 m | H8 | 0.4 |
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Inner Diameter | H8 | H9 | H10 |
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30mm | ±0.033 | ±0.052 | ±0.084 | 5-30mm |
30-50mm | ±0.039 | ±0.062 | ±0.100 | ±0.080 |
50-80mm | ±0.046 | ±0.074 | ±0.120 |
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80-120mm | ±0.054 | ±0.087 | ±0.140 |
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120-180mm | ±0.063 | ±0.100 | ±0.160 |
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180-250mm | ±0.072 | ±0.115 | ±0.185 |
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250-315mm | ±0.081 | ±0.130 | ±0.210 |
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315-400mm | ±0.089 | ±0.140 | ±0.230 |
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♥CHEMICAL COMPOSITION OF Q345 carbon seamless telecospic cylinder steel tubing
MATERIAL
Steel grade | Chemical composition,% |
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C | Si | Mn | P | S | Cr | ||
≤ |
| ||||||
St45 (20#) | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.25 |
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ST52(E355) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.25 |
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SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.6-0.9 | 0.04 | 0.05 | / |
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STKM 13C | ≤0.25 | ≤0.35 | 0.3-0.9 | 0.04 | 0.04 | / |
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Q345B | ≤0.2 | ≤0.5 | 1.0-1.6 | 0.03 | 0.03 | 0.30 |
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CK45 | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | 0.035 | 0.035 | 0.25 |
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♥THE FINISHED PRODUCTS
♥ABOUT OUR COMPANY
we are the manufacturer of precision seamless steel tube ,our company established in 1992 and
it is located in a beautiful coastal city -yantai. we mainly produces all kinds of specifications of
seamless steel tube ,such as:cold drawn /rolled seamless steel tube ,hydraulic cylinder steel tube,
honed steel tube ,SRB steel tube and seamless steel tube ,etc. our products mainly used in
hydraulic cylinder ,oil drilling ,engineering machinery ,textil machinery ,etc.
♥ 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 PACKAGING ANG 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 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. |
♥ABOUT OUR CERTIFICATE
♥ABOUT OUR PROCESSING
♥ ABOUT OUR FAQ
What is the advantage of our company ?
1.Rapid response on any inquiry.
2.Competitive price with best service .
3.Professional inspection department to guarantee quality.
4.ISO System 90012008certifa
5 Industry experience over20years.
Contact Us
- Yantai Xinpeng Steel Pipe Co., Ltd.
- Contact nameJudy Gao Chat Now
- Phone0086-535-6835398
- Address2 Binglun Road, APEC Technology Industrial Park, Zhifu District, Yantai, Shandong, China
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