
DIN 1630 Industrial Seamless Steel Fluid Pipe Thickness 0.8 mm ~ 30mm ST35 ST45 ST52
Seamless steel pipes are divided into two categories: hot-rolled and cold-rolled (dial) seamless steel pipes.
Producet Name | DIN 1630 Industrial Seamless Steel Fluid Pipe Thickness 0.8 mm ~ 30mm ST35 ST45 ST52 |
Standard | DIN 1630 |
Grade | St35 , St45, St52 |
Out Dimension | 6 mm ~ 350 mm |
Wall Thickness | 0.8 mm ~30mm |
Length | Fixed(6m,9m,12,24m) or normal length(5-12m) |
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
Chemical composition(cast analysis)a | ||||||
Steel grade | % by mass | |||||
Steel name | Steel number | C | Si | Mn | P | S |
max. | max. | max. | max. | |||
ST35 | 1.0305 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
ST45 | 1.0408 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
ST52 | 1.0580 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
Mechanical properties at room temperature
Steel grade | Minimum values for the delivery condition | ||||||||||||
Steel name | Steel number | BK | BKW | BKS | GBK | NBK | |||||||
Rm | A | Rm | A | Rm | ReH | A | Rm | A | Rm | ReH | A | ||
MPa | % | MPa | % | MPa | MPa | % | MPa | % | MPa | MPa | % | ||
ST35 | 1.0305 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340 to 470 | 235 | 25 |
ST45 | 1.0408 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440 to 570 | 255 | 21 |
ST52 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490 to 630 | 355 | 22 |
Applications
Mainly used in automotive, military, railway, industry with high requirement of the tube’s brightness, cleanness, antirust and antisepsis.
Factroy Picture
Pipe & Tube Production Line
Quality Control
Package
Export Standard / Wooden Box
Main Certificate
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.