ASTM269 Stainless Seamless Steel Tube Polished Pipe
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Product Highlights
- High Precision Tolerance: OD and ID tolerance within +/-0.05mm for superior dimensional accuracy.
- Versatile Customization: OD 1mm-250mm and various steel grades (304, 316) available upon request.
- Superior Mechanical Performance: Tubes can be flared, flattened, and bent freely without compromising integrity.
- Wide Application Range: Suitable for hydraulic, automotive, food, pharmaceutical, and semiconductor industries.
- Strict Quality Control: Double inspection by professional controllers ensures only qualified products are delivered.
- Multiple Certification: Complies with ASTM A269/A312/A554 and holds ISO 9001/Ts16949 certificates.
- Reliable Supply Chain: Located in Zhangjiagang with convenient access to Shanghai port for global shipping.
Product Attributes
- Customization
- Available
- Type
- Seamless
- Technique
- Cold Drawn
- Model NO.
- STS-2
- 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 ASTM269 Stainless Seamless Steel Tube Polished Pipe
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Product Description


Delivery condition: AP, BA, CFA, CFP
Other sizes and material available upon request
OD: 1mm-250mm
WT: 0.05mm- 50mm
Tolerance:
OD +/-0.05mm
ID +/-0.05mm
Other sizes, grades and special tolerance available upon request
Advantage: Sophisticated bright annealing technology makes the tube good mechanical performance,the tube can be
flared,flatten,bent freely.
|
Hydraulic/Automobile Pipe: |
Good roughness enable tube withstand high pressure and good mechanical performance guarantee tube bent, flared, end process and others freely, |
|
Laboratory gas: |
Puretube BA+ with special drawing procses to reach Ra ≤0.375 regular sizes like 6.35*1, 9.35*1, 12.7*1.24, 25.4*1.65 etc |
|
Food/Beverage: |
High precision with lower tolerance, good mechanical performance |
|
pharmaceutical: |
ID roughness Ra ≤0.6, OD tolerance≤±0.05mm, WT ≤±5% , sizes like 6*1, 8*1, 10*1 and others |
|
Semiconductor: |
Ra ≤0.375 special cleanness for inner diameter |
|
Other application: |
Guage, chemical industry, heat exchanger, precision equipments and others |

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
-
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
-
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)
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
FAQ
- What are the available surface treatments?
- We offer Ba (Bright Annealed) and Electrolytic Polishing to ensure high surface quality and cleanliness.
- What is the range of OD and WT sizes?
- Outer Diameter ranges from 1mm to 250mm, and Wall Thickness ranges from 0.05mm to 50mm.
- Can you provide custom sizes and materials?
- Yes, other sizes, grades (like 304, 316), and special tolerances are available upon request.
- What standards do your tubes comply with?
- Our tubes comply with ASTM A269, A312, A249, A554, A789, A790, and A268 standards.
- What is the lead time for orders?
- The average lead time is one month for both peak and off-peak seasons.
- What payment terms do you accept?
- We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.
- Is OEM service available?
- Yes, OEM service is available to meet specific customer requirements and branding needs.
- What certifications do you hold?
- We hold ISO 9001 and Ts16949 certifications, ensuring consistent quality management.
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