
2.5Inch 0.15Inch 16FT ASTM A106 A179 Grade B Seamless Cold-Drawn Steel Tubes Diameter For Gas
Delivery
ASTM A199/A199M-92 Specification for Seamless Cold-Drawn
Intermediate Alloy-Steel Heat-Exchanger tubes and Condenser
Tubes.The ASTM A119 pressure boiler tube is wrapped with nylon
fabric then bundled with 2 steel strips in each end, and other 2 in
the middle.
Product Name | Seamless Cold-Drawn Steel Tubes |
Standard | ASTM A199 |
Main Grade | T4 T5 T9 T11 T21 T22 T91 |
Outside Diameter | 6mm – 350mm |
Wall Thickness | 1mm-30mm |
Length | 5m-25m |
Application | Used widely in oil, chemical industry, electricity,boiler industry
of high-temperature |
Delivery Condition | Heat treatment,Annealed, Normalized, Normalized and Tempered |
Packing: | Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection |
Inspection and Tes | Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test. |
Surface treatment | Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting |
Steel Grade
Steel grade | WT | C | Mn | P | S | Si | Cr | Mo |
ASTM A199/T4 | MW | 0.15MAX | 0.30-0.60 | 0.03 | 0.03 | 0.50-1.00 | 2.15-2.85 | 0.44-0.65 |
ASTM A199/T5 | MW | 0.50-0.15 | 0.30-0.60 | 0.03 | 0.03 | 0.50MAX | 4.00-6.00 | 0.45-0.65 |
ASTM A199/T7 | MW | 0.15MAX | 0.30-0.60 | 0.03 | 0.03 | 0.50-1.00 | 6.00-8.00 | 0.45-0.65 |
ASTM A199/T9 | MW | 0.15MAX | 0.30-0.60 | 0.03 | 0.03 | 0.25-1.00 | 8.00-10.0 | 0.90-1.10 |
ASTM A199/T11 | MW | 0.50-0.15 | 0.30-0.60 | 0.03 | 0.03 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
ASTM A199/T22 | MW | 0.50-0.15 | 0.30-0.60 | 0.03 | 0.03 | 0.50MAX | 1.90-2.60 | 0.87-1.13 |
* Ni 0.40 max; V 0.18-0.25; Cb 0.06-0.10; N 0.03-0.07; Al 0.04 max
Mechnical Properties of ASTM A199
Steel grade | Tensile Strength | Yield Strength | Elongation | SPECIFIC REQUIREMENT |
ASTM A199/T4 | 415MIN | 170MIN | 30/22 | Hardness 85 HRB MAX |
ASTM A199/T5 | 415MIN | 170MIN | 30/22 | Hardness 85 HRB MAX |
ASTM A199/T7 | 415MIN | 170MIN | 30/22 | Hardness 85 HRB MAX |
ASTM A199/T9 | 415MIN | 170MIN | 30/22 | Hardness 85 HRB MAX |
ASTM A199/T11 | 415MIN | 170MIN | 30/22 | Hardness 85 HRB MAX |
ASTM A199/T22 | 415MIN | 170MIN | 30/22 | Hardness 85 HRB MAX |
Product Photo
Factroy Picture
Factory Production Line
Steel Pipe & Tube Application
Package
Main Certificates
FAQ
Q1: ARE YOU FACTORY OR TRADER?
A1: Wuxi Sylaith Special Steel Co.,Ltd is a manufacturer of steel pipe and tube
since 2010. We've gained our Export Right and become an integrated
company of industry and trade in order to satisfy buyer's
multi-request on different material and products.
Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Seamless Stainless Steel Pipe / Tube, Seamless Carbon Stainless
Steel Pipe /Tube,Galvanized Steel Tube witn any Shape and Welded
pipes can also be available
Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And
to get free samples, you need to send us you detailed receiving
address (including post code) and your DHL/FedEx/UPS account for
collecting samples, courier cost will be paid in your side.
Q4. CAN YOU PRODUCE THE PRODUCTS ACCORDING TO MY OWN DRAWINGS?
A4: Yes, we can produce the products according to your drawings
that will be most satisfy you.
Q5: HOW TO VISIT YOUR FACTORY?
A5: Most of the main cities have flights to Shanghai; you can take
flight to Shanghai Putong/Hongqiao International Airport.
If you come from Hongkong, it will take 2 hours by flight (every
day 5 flight around noon time).
WUXI SYLAITH SPECIAL STEEL CO.,LTD
Wuxi Sylaith Special Steel Co.,Ltd
Since the establishment of our company, Wuxi Sylaith Special Steel has been deeply involved in steel manufacturing and international trade for 12 years, with a total foreign trade sales of US$390 million. We focus on the supply of all categories of carbon steel and stainless steel products, including pipes, plates, bars and coils. With a cost-effective price system and stable international standard quality as our core advantages, our products are exported to more than 20 countries and regions including Europe (UK, Poland, Ukraine), Southeast Asia (Vietnam, Indonesia, Malaysia) and the Middle East (Saudi Arabia, Iran, Turkey, Egypt), and establish long-term strategic cooperation with global customers.
Why choose Wuxi Sylaith Special Steel?
✅ Precise supply: strictly comply with international standards such as ASTM, EN, JIS, and support customized production
✅ Cost optimization: large-scale production + vertical supply chain
management, reducing procurement costs for customers by more than
15%
✅ Delivery guarantee: own 30,000-ton storage base, with an annual
production capacity of over 500,000 tons, to ensure on-time
delivery
✅ Service network: set up local service teams in Europe and Asia,
providing 24-hour cross-time zone technical support
We always practice the concept of "customer demand drives production" and help partners improve their market competitiveness by continuously optimizing production processes and logistics systems. We look forward to becoming your trusted steel supply chain partner with the reliable quality of Made in China!
Core products:
• Carbon steel series: API 5L pipeline pipe/cold-rolled precision
pipe/hot-rolled steel plate/honed pipe
• Stainless steel series: 430/304/316L coil/plate/welded
pipe/seamless pipe
Wuxi Sylaith Special Steel Co.,Ltd adheres to the distribution strategy of multiple varieties, direct supply and nearest matching. In the future the company will, as always adhering to the "customer as the buddha, are proud of the service" business philosophy, adhere to the "create, win-win" spirit of enterprise, adherence to the "first-class service, first-class products, a comprehensive build the company's core competitiveness, to provide the most valuable industry services, is committed to become china's best solution steel sales company.