Hydraulic 304 Stainless Metallic Oil Tube for Hydraulic Fitting
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Product Highlights
- Premium 304/316 Stainless Steel: Made from high-grade 304, 304L, 316, and 316L stainless steel for superior corrosion resistance.
- Sophisticated Bright Annealing: Advanced BA technology ensures excellent mechanical performance and a bright, clean surface finish.
- High Customization Options: Customizable in standard (ASTM/AISI), grades, delivery conditions (AP, BA, CFA, CFP), and special tolerances.
- Wide Size Range: OD ranges from 1mm to 250mm and wall thickness from 0.05mm to 50mm to meet diverse needs.
- Versatile Applications: Ideal for hydraulic circuits, pneumatic lines, cylinders, oil/gas drilling, and boiler pipes.
- Strict Quality Control: Double-inspected by professional controllers with vivid test reports before delivery.
- Flexible Processing: Tubes can be flared, flattened, and bent freely without compromising structural integrity.
- Certified Standards: Complies with ISO 9001, TS16949, and major ASTM standards (A269, A312, A249, etc.).
Product Attributes
- Customization
- Available
- Type
- Seamless
- Technique
- Cold Roll and Cold Drawn
- Material
- Stainless Steel
- Surface Treatment
- Ba(Bright Annealed), Electrolytic Polishing
- Usage
- Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Mining, Special Purpose
- Section Shape
- Round
- Standard
- ASTM A269 ,A312, A249 ,A554 ,A789,A790,A268
- Delivery Condition
- Ap, Ba, Cfa, Cfp
- Steel Grade
- 304, 304L, 316, 316L
- Certificate
- ISO 9001 Ts16949
- Secondary or Not
- Non-Secondary
- Application
- Precision Application
- Transport Package
- Bundles or Boxes
- Specification
- OD1-250mm
- Origin
- China
- HS Code
- 7306610000
Product Images of Hydraulic 304 Stainless Metallic Oil Tube for Hydraulic Fitting
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Product Description

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Standard
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Material Chemical Composition
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||||||||
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Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
|
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ASTM A269
ASTM A312 ASTM A249 ASTM A554 GB/T 12770 ASTM A789 ASTM A790 ASTM A268 |
304
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≤0.08
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≤1.00
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≤2.00
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≤0.045
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≤0.030
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≤18.0-20.0
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8.0-11
|
|
|
304L
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≤0.030
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≤1.00
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≤2.00
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≤0.045
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≤0.030
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≤18.0-20.0
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8.0-12
|
|
|
|
SUS316
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≤0.08
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≤1.00
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≤2.00
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≤0.045
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≤0.030
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16.0~18.0
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10.0~14.0
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2~3
|
|
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SUS316L
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≤0.03
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≤1.00
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≤2.00
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≤0.045
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≤0.030
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16.0~18.0
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10.0~15.0
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2~3
|
|
Sophisticated bright annealing technology makes the tube good mechanical performance,the tube can be flared,flatten,bent freely.


A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension
B. Hydraulic cylinders (HPZ)

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.
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
-
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
-
Number of Employees
- 6
-
Registered Capital
- 3,000,000 RMB
-
Terms of Payment
- LC, T/T
-
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
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Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
FAQ
- What stainless steel grades are available?
- We provide 304, 304L, 316, and 316L stainless steel grades to suit different corrosion resistance and mechanical requirements.
- What are the available outer diameter and wall thickness ranges?
- The outer diameter (OD) ranges from 1mm to 250mm, and the wall thickness (WT) ranges from 0.05mm to 50mm.
- Can the tubes be customized for specific standards or tolerances?
- Yes, we offer customization for standards (ASTM A269, A312, etc.), grades, delivery conditions (AP, BA, CFA, CFP), and special tolerances upon request.
- What surface treatments are applied to the tubes?
- The tubes undergo Bright Annealing (BA) and Electrolytic Polishing to ensure a high-quality, corrosion-resistant surface finish.
- What are the main applications for these hydraulic tubes?
- They are widely used in hydraulic circuits (HPL), pneumatic lines, hydraulic suspension, hydraulic cylinders (HPZ), oil/gas drilling, and boiler pipes.
- What is the lead time for production?
- The average lead time is one month, regardless of whether it is peak season or off-season.
- What payment terms do you accept?
- We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.
- Is OEM service available?
- Yes, OEM service is available to meet specific customer requirements and branding needs.
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