
JIS G3444 STK290 Weld Mild Steel Tubing , Round Furniture Steel Tubes 35mm Thick
Quick Detail:
Standards: JIS G3444
Grade: STK290, STK400, STK500, STK490, STK540 ; STK30, STK41,STK,50,STK 51,STK55
Outer Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: max 24000mm
Description:
Standards: JIS G3444
Grade: STK290, STK400, STK500, STK490, STK540
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.
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%
Steel grade | Chemical composition,% | ||||
C | Si | Mn | P | S | |
STK290 | - | - | - | ≤0.050 | ≤0.050 |
STK400 | ≤0.025 | - | - | ≤0.040 | ≤0.040 |
STK500 | ≤0.24 | ≤0.35 | 0.30-1.30 | ≤0.040 | ≤0.040 |
STK490 | ≤0.18 | ≤0.55 | ≤1.50 | ≤0.040 | ≤0.040 |
STK540 | ≤0.23 | ≤0.55 | ≤1.5 | ≤0.040 | ≤0.040 |
Mechanical Properties
Mechanical properties | Tensile strength, N/mm2 | Yield strength, N/mm2 | Elongation,% | Bending property | Weld tensile strength,N/mm2 | ||
Longitudinal | Transverse | Angel of bending | ID | ||||
OD | All | All | ≥40mm | ≤50mm | ≥350mm | ||
STK290 | ≥290 | - | ≥35 | ≥25 | 90o | 6D | ≥290 |
STK400 | ≥400 | ≥235 | ≥23 | ≥18 | 90o | 6D | ≥400 |
STK500 | ≥500 | ≥355 | ≥15 | ≥10 | 90o | 6D | ≥500 |
STK490 | ≥490 | ≥315 | ≥23 | ≥18 | 90o | 6D | ≥490 |
STK540 | ≥540 | ≥390 | ≥20 | ≥16 | 90o | 6D | ≥540 |
Applications
Mainly for general structural purpose.
Tube also be widely 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
Wuxi Sylaith Special Steel Co.,Ltd
Wuxi Sylaith Special Steel Co.,Ltd has 20,000 square meters of indoor storage, more than 20,000 tons of spot inventory. spot product standard involves european standard, american standard, british standard, australian standard, german standard, russian standard, japanese standard, national standard and so on.
Since its establishment, Wuxi Sylaith Special Steel Co.,Ltd has gained rich experience in Pipes, Fittings, Flanges, Valves, Structural steel, Coils and Plates in past twenty years. And our company has expanded its field of activities and entered in trade and supply of tubular & flat products in Duxplex and Super Duplex, Stainless Steel, Nickel Base alloy Steel ,Cr-Mo alloy steel , Copper Nickel alloy steel,Carbon Steel for our reputed clients worldwide. The products cover steel structure engineering, nuclear power engineering, ocean engineering, construction and bridge engineering, construction machinery and equipment production, metallurgical equipment production and other fields.
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.