High Precision GB/T3639 Carbon Steel Round Pipe
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Product Highlights
- High Precision Tolerance: OD and ID tolerance can be +/-0.03mm min or as per request.
- Multiple Material Options: Available in ST35, ST37.4, 10#, 20#, 45#, 4130, 4140 and others upon request.
- Strict Quality Control: Double inspection by professional quality controllers with vivid test reports.
- Versatile Surface Treatment: Options include Oiled, BK, BKW, NBK, and BKS delivery conditions.
- Advanced Production Line: Special oil drawing process ensures low roughness and best surface condition.
- Wide Application Range: Suitable for hydraulic systems, industry jacks, and automotive vibration dampers.
- OEM Service Available: Customized production services are available for specific requirements.
- Global Market Presence: Exporting to Eastern Asia, Middle East, Europe, and other regions since 2010.
Product Attributes
- Customization
- Available
- Type
- Seamless
- Technique
- Cold Drawn or Cold Roll
- Model NO.
- CO-3
- Material
- St35/45/52/10/20/16mn/Stkm 13c
- Surface Treatment
- Oiled
- Section Shape
- Round
- Transport Package
- Bundles or Boxes
- Specification
- as per standard or request
- Origin
- China
- HS Code
- 7304319000
- Production Capacity
- 1000ton/Month
Product Images of High Precision GB/T3639 Carbon Steel Round Pipe
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High Precision GB/T3639 Carbon Steel Round Pipe -
High Precision GB/T3639 Carbon Steel Round Pipe -
High Precision GB/T3639 Carbon Steel Round Pipe -
High Precision GB/T3639 Carbon Steel Round Pipe -
High Precision GB/T3639 Carbon Steel Round Pipe -
High Precision GB/T3639 Carbon Steel Round Pipe -
High Precision GB/T3639 Carbon Steel Round Pipe
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Product Description
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STANDARD:
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GB/T3639, DIN2391, EN10305-1 and other equivalent standards
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MATERIAL:
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ST35, ST37.4, ST45, ST52, ST52.4, E235, E355, 10#, 20#, 45#, SKTM13C, 4130, 4140 and others upon request
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DELIVERY CONDITION:
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BK, BKW, NBK, BKS
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SIZES:
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As per request
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OD and ID tolerance can be with +/-0.03mm min or as per request
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STEEL TUBES FOR INDUSTRY JACKS
STANDARD: GB/T3639, DIN2391, EN10305-1, ASTM A519, JIS G3445 and other equivalent standards
MATERIAL: ST35, ST37.4, ST45, ST52, ST52.4, E235, E355, 10#, 20#, 45#, SKTM13C, 4130, 4140 and others upon request
DELIVERY CONDITION: BK, BKW, NBK
SIZES: As per request
OD and ID tolerance can be with +/-0.03mm min or as per request
Details Images
Hydraulic cylinder, Industry Jacks, motorcycle and automobile vibration damper, steering gears and Other fields which have high request for precision, surface cleanness and mechanical properties.
Product packaging
FAQ
We are based in Jiangsu, China, start from 2010,sell to Eastern Asia(20.00%),Mid East(20.00%),Eastern Europe(15.00%),Southeast Asia(15.00%),Northern Europe(10.00%),Domestic Market(10.00%),South America(5.00%),Western Europe(5.00%),South Asia(0.00%),North America(0.00%),Oceania(0.00%),Southern Europe(0.00%),Central America(0.00%),Africa(0.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Steel Pipe, Seamless Pipe, Hydraulic Oil Tube, Precision Tube, Stainless Steel Tube
4. why should you buy from us not from other suppliers?
Production: Advanced production line and drawing with special oil to make the surface in best condition. Lower roughness and good mechanical performance. Inspection before delivery: Professional team for inspection and randomly check
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU;
Accepted Payment Currency:USD,EUR,HKD,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram;
Language Spoken:English,Chinese,Spanish,Japanese
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI204814". Items marked "
" are certified.
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Company Profile
Chewit international has two manufacture. One is for precision stee pipe --- CW tube. Another is manufacture steel forgings.
CW tube, one of the most professional precision tube supplier in China, has a history of more than 20 years.
Our product includes cold drawn precision seamless steel tube, cold drawn welded tube, welded stainless steel tube, tube assambly. Our tubes are used for automotive industry, hydraulic system, Mechanical fields, precision device and others.
Our company covers a toal area of 10000 square meters with the asset of more than 10 million. We have around 120 employees...Due to the advanced production line and full sets of inspection equipments, the tubes produced are promised to be in high quality.
We have ten cold drawn lines, two lines of 20 tons, three lines of 10 tons, five lines of 5 tons to promise the mass output. We use special cold drawing process to make sure the inner and outer surface in low roughness. And the precision drawing mold to garanttee the minimum size tolerance.
We have heat treatment furnace with and without oxygen environment for processing. The bright annealing furnace without oxygen to ensure the tube surface condition best without oxidization and shinning like mirror.
We have a strong and responsible inspection team. All the tubes have to pass eddy current non-destructive test, and ultrosonic non-destructive test as per customer request. We check the tube size and surface 100%. Chemical and mechanical tests are carried out for each batch of tube.
Our forging manufacture covers total area above 100000m2 with with a production capacity of 90000 tons for various kinds of forgings. Also we are eligible for a total of 11 authorized patents, including 3 invention patents.
We are supplier of Wind Power, Oil & gas, Transportation, Ship building, gear box...
We own TPG, API 20B, the European PED, MAN Diesel & Turbo, Classification society: ABS, CCS, BV, DNV, GL, LR, KR, RINA, NK.
Since 2006, we have entered into global purchasing system of the most famous company.
We have established a perfect quality management system and HSE management system. We have API Q1, ISO 9001, ISO 14001: 2004, OHSAS 18001: 2007.
We always adhere to a pragmatic, integrity, unity and innovative as business philosophy.
Scientific management, improving quality, continuous improvement, and pursuit of excellence in quality, to provide customers with first-class forging products and perfect technical services.
About Our Factory & Business Background
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Business Type
- Manufacturer/Factory & Trading Company
- Address
- 73 East Changjiang Road, Deji, Jingang Town, Zhangjiagang City, Suzhou, Jiangsu, China
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Plant Area
- 100 square meters
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Number of Employees
- 6
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Registered Capital
- 3,000,000 RMB
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Terms of Payment
- LC, T/T
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International Commercial Terms(Incoterms)
- FOB, CIF, CFR
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Average Lead Time
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Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- shanghai
Our Production Capability & Technical Expertise
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Main Products
- Carbon Seamless Pipe, Steel Forging, Stainless Tube
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Production Machines
- Cutting Machine, Heat Treating Machine, Stretching Machine, Straightening Machine, Diagnostic Machine, Cutting Machine, Hydraulic Universal Testing Machine
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OEM Service Available
- Yes
-
Test Reports for Raw Materials
- RoHS, Others
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2010-01-12
- Export Year
- 2013-08-01
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Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
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Number of Foreign Trading Staff
- 4
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Overseas Agent/Branch
- No
FAQ
- What are the available materials for the steel tubes?
- Materials include ST35, ST37.4, ST45, ST52, E235, E355, 10#, 20#, 45#, SKTM13C, 4130, 4140 and others upon request.
- What is the precision tolerance for the tubes?
- OD and ID tolerance can be +/-0.03mm min or as per request.
- How do you guarantee product quality?
- We always produce a pre-production sample before mass production and conduct a final inspection before shipment.
- What delivery conditions are available?
- Delivery conditions include BK, BKW, NBK, and BKS.
- What are the accepted payment terms and currencies?
- Accepted payment types are T/T, L/C, and MoneyGram. Currencies include USD, EUR, HKD, and CNY.
- What are the main applications for these steel tubes?
- They are used in hydraulic systems, industry jacks, motorcycle and automobile vibration dampers, and steering gears.
- What is the lead time for production?
- The average lead time is one month for both peak and off-peak seasons.
- Where is the company located?
- We are based in Zhangjiagang City, Jiangsu, China, near the Yangtze Golden Channel.
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