GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes
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Product Highlights
- Wide Material Range: Available in 10#, 20#, 45#, 16Mn, 4130, 4140, and other carbon/alloy grades.
- Custom Section Shapes: Rectangle, Hexagon, Octagonal, Oval, and special shapes based on customer drawings.
- Multiple Surface Treatments: Options include anti-rust oiling, zinc coating, and electrophoresis as per request.
- High Precision Manufacturing: Cold drawn or cold rolled technique ensures low surface roughness and tight tolerance.
- Flexible Dimensions: Outer diameter 4-100mm, wall thickness 0.3-20mm, and length up to 15m or customized.
- OEM Service Available: Customized standard, delivery condition, and steel grade options supported.
- Strict Quality Control: Double inspection by professional controllers with vivid test reports provided.
- Global Shipping Capability: Convenient logistics from Zhangjiagang port with FOB, CIF, and CFR terms.
Product Attributes
- Customization
- Available
- Type
- Seamless
- Technique
- Cold Drawn
- Material
- Carbon and Alloy
- Surface Treatment
- Oiled,Electrophoresis,Zinc Coating
- Usage
- Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Heat Exchanger
- Section Shape
- Special Section
- Standard
- DIN2391, GB/T3639,En10305,ASTM A519
- Delivery Condition
- Bk, Gbk, Bkw, Bks or Nbk
- Steel Grade
- 1010, 1020, 1045, 4130, 4140, St35/37/52, etc
- Certificate
- ISO 9001 Ts16949
- Secondary or Not
- Non-Secondary
- Application
- Textile,Automotive,Machinery
- Transport Package
- Plywood Box or Bundles
- Specification
- OD4-100mm
- Trademark
- OEM
- Origin
- China
- HS Code
- 7304319000
Product Images of GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes
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GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes -
GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes -
GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes -
GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes -
GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes -
GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes -
GB/T 3639 10# 20# 45# 16mn Square and Rectangular Steel Pipes Special Shape Seamless Steel Pipes
Find Similar Products
Product Description
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Outer Diameter
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4-100mm
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Wall Thickness
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0.3-20mm
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Length
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0-15m or as per request
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Standard
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GB/T3639 /DIN2391 /EN10305 /ASTM A519
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Steel Grade
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Anti-rust oiling, Zinc Coating, Eletrophoresis and other as per request1010, 1020, 1045, 4130, 4140, ST35/37/52, 10#, 20#, 16Mn, 45#,42CrMo, 30CrMo, 42Cr and others
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Surface Treatment
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Anti-rust oiling, Zinc Coating, Eletrophoresis and other as per request
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Section Shape
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Rectangle, Hexagon, Octagonal , Oval ,Other shapes as per customer drawing
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Technique
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Cold drawn or cold rolled
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Application
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1.Textile machinary
2.Automotive Industry
3.Construction Industry and Machinery
4.others as per customer request
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Advantages
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High precision for tolerance, Lower roughness for surface, special design can be produced as per drawing
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Chewit International
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
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- shanghai
Our Production Capability & Technical Expertise
-
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
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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 steel grades?
- We offer 10#, 20#, 45#, 16Mn, 42CrMo, 30CrMo, 4130, 4140, St35/37/52, and others.
- Can you produce special section shapes?
- Yes, we can produce rectangle, hexagon, octagonal, oval, and other shapes based on customer drawings.
- What surface treatments are available?
- Options include anti-rust oiling, zinc coating, and electrophoresis as per your request.
- What is the lead time for orders?
- The average lead time is one month for both peak and off-peak seasons.
- Do you accept OEM orders?
- Yes, OEM service is available with customized standards and delivery conditions.
- What are the payment terms?
- We accept LC and T/T payment terms.
- What standards do your pipes meet?
- Our pipes meet GB/T3639, DIN2391, EN10305, and ASTM A519 standards.
- How do you ensure product quality?
- All products undergo double inspection by professional quality controllers before delivery.
Send your message to this supplier
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