6mm High Pressure Fuel Line Steel Tubes for Diesel and Fuel Engine
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Product Highlights
- High Pressure Resistance: Seamless cold drawn carbon steel tubes designed for high pressure fuel lines in diesel engines.
- Wide Size Range: Outer diameter 3-30mm and inner diameter 1-12.5mm to fit various hydraulic and automotive systems.
- Multiple Surface Treatments: Available in Galvanized, Black Phosphated, and Ba finishes for enhanced corrosion resistance.
- Strict Quality Control: Double inspection by professional quality controllers ensures only passed products are delivered.
- Versatile Applications: Suitable for Common Rail injection systems, hydraulic systems, and precision devices.
- Certified Standards: Complies with ISO 9001, TS16949, DIN 2391, EN 10305-1, and other international standards.
Product Attributes
- Customization
- Available
- Type
- Seamless
- Technique
- Cold Drawn
- Material
- Carbon Steel
- Surface Treatment
- Galvanized, Black Phosphated, Ba
- Usage
- Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry
- Section Shape
- Round
- Standard
- DIN 2391
- Delivery Condition
- Bk, Bkw, Nbk
- Steel Grade
- St 35 / 45 / 52/ 37.4 / 44.4 /52.4
- Secondary or Not
- Non-Secondary
- Certificate
- ISO 9001 Ts16949
- Application
- Automotive,Hydraulic System and Precision Device
- Transport Package
- Box or Bundles
- Specification
- OD3-30mm ID 1 - 12.5 mm
- Trademark
- CW
- Origin
- China
- HS Code
- 7304319000
Product Images of 6mm High Pressure Fuel Line Steel Tubes for Diesel and Fuel Engine
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Product Description

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Standard
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Steel Grade
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Size Range outer diameter×Inner diameter
|
|
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DIN
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2391
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ST 35 / 45 / 52/ 37.4 / 44.4 /52.4
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OD3 - 30mm × ID 1 - 12.5 mm
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EN
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10305-1
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E235/E355
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OD3 - 30mm × ID 1 - 12.5 mm
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DIN
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73000
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ST 35 / 45 / 52/ 37.4 / 44.4 /52.4
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OD3 - 30mm × ID 1 - 12.5 mm
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GB/T
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3093
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10/20/16Mn/35/45/30CrMo/42CrMo/etc
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OD3 - 30mm × ID 1 - 12.5 mm
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SAE
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J529
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Low carbon steel
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OD3 - 30mm × ID 1 - 12.5 mm
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ISO
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8535
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ST 35 / 45 / 52/ 37.4 / 44.4 /52.4
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OD3 - 30mm × ID 1 - 12.5 mm
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High pressure fuel lines for diesel and fuel engine
Common Rail injection system
by boxes or bundles

Chewit International
1. who are we?
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.
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
-
Registered Capital
- 3,000,000 RMB
-
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
-
Production Machines
- Cutting Machine, Heat Treating Machine, Stretching Machine, Straightening Machine, Diagnostic Machine, Cutting Machine, Hydraulic Universal Testing Machine
-
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
-
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 main applications of these steel tubes?
- They are primarily used for high pressure fuel lines in diesel and fuel engines, Common Rail injection systems, hydraulic systems, and precision devices.
- What surface treatments are available?
- We offer Galvanized, Black Phosphated, and Ba surface treatments to meet different environmental and performance requirements.
- What is the size range of the tubes?
- The outer diameter ranges from 3mm to 30mm, and the inner diameter ranges from 1mm to 12.5mm.
- How do you guarantee product quality?
- We conduct a pre-production sample check before mass production and perform a final inspection before shipment. All products undergo double inspection by professional quality controllers.
- What certifications do your products have?
- Our products are certified under ISO 9001 and TS16949, and comply with standards such as DIN 2391, EN 10305-1, and SAE J529.
- What payment terms and currencies are accepted?
- We accept T/T and L/C payments in USD, EUR, HKD, and CNY. Delivery terms include FOB, CFR, CIF, EXW, DDP, and DDU.
- What is the lead time for production?
- The average lead time is one month for both peak season and off-season periods.
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