JIS G3445 Oil-Dip Machine Structural Mild Steel Tube , STKM11A STKM12A Carbon Steel Pipe

JIS G3445 Oil-dip Machine Structural Mild Steel Tube , STKM11A STKM12A Carbon Steel Pipe

Quick Detail

Products: JIS G3445

Carbon steel tubes for machine structural purposes .

Grade: STKM11A / STKM12A / STKM12B / STKM12C / STKM13A etc

Size:(mm)
Out Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Description

Standards: JIS G3445

Carbon steel tubes for machine structural purposes .

Size (mm):

Outer Dimensions: 6mm ~ 350mm

Wall Thickness: 0.8mm ~ 35 mm

Length: max 24000mm

Application: Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.

The main products of steel / steel grade: STKM11A, STKM12(A,B,C), STKM13(A,B,C), STKM14(A,B,C).

Packing: Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test: 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
Mark: As requested.

Delivery Condition:Annealed, Normalized, Normalized and Tempered

Chemical Composition (%)

Mechanical Properties

Tolerances on outside diameter

Tolerances on Wall Thickness

Applications

Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.

Product Photo

Factroy Pictures

Pipe & Tube Processing

Steel Pipe & Tube Application

Packaging and Shipping

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

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.