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DIN1629 ST37 ST44 ST52 A106 A53 Black Ms Round Seamless Mild Steel Tubing Mechanical
Quick Detail
Standard: DIN 1629
Size:(mm)
Out Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Description
1. Standard: DIN 1629
2. Steel grade: ST37, ST44, ST52
3. Delivery condition: Hot-finished
4. Size range: OD Φ 6MM-Φ 350MM, WT 0.8MM-35MM
5. Tolerance: According to DIN 1629
6. Length: Customized according to requirements.
7. Certificate: EN10204/3.1
GENERAL INFORMATION
Tubes made of un-alloyed steel suitable for the construction of chemical plant, vessels, pipe work and for general mechanical engineering purposes.
Quality control:
Our quality control department consists of experienced technicians.
These personnel strictly control the whole production procedure, from introduction of raw materials to finish products. They ensure high quality products for our customers.
DELIVERY CONDITION | |||||
Steel grade | Delivery condition | ||||
ST37.0 | Hot-finished | ||||
ST44.0 | Hot-finished | ||||
ST52.0 | Hot-finished | ||||
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CHEMICAL COMPOSITION( CAST ANALYSIS) IN% | |||||
Steel grade | C | Si |
| p | S |
max | Mn | max | max | ||
ST37.0 | 0.17 | -- | -- | 0.040 | 0.040 |
ST44.0 | 0.21 | -- | -- | 0.040 | 0.040 |
ST52.0 | 0.22 | -- | -- | 0.040 | 0.035 |
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MECHANICAL PROPERTIES | |||||
Steel | Yield strength | Tensile strength | Elongation A | ||
T min mm | |||||
≤16 | >16 | ||||
ST37.0 | 235 | 225 | 350-480 | 25 | |
ST44.0 | 275 | 265 | 420-550 | 21 | |
ST52.0 | 355 | 345 | 500-650 | 21 | |
Note: T: thickness; L: longitudinal |
The Tolerance of Length
The Type of Length |
|
≤6m | +100 |
>6m ≤12m | +150mm |
>12m | according to the negotiation |
The Toleracne of Diameter
| The Tolerance |
≤100 | ±1% da ( ±0.5mm is alsiviable ) |
100<da≤200 | ±1% da |
>200 | ±1% da |
The Tolerance of the Wall Thickness
The tolerance is according to the diameter | ||||||||
da≤130mm | 130mm<da≤320mm | 320mm<da≤660mm | ||||||
Wall Thickness S | ||||||||
≤2 | 2•Sn<S≤4•Sn | >4•Sn | ≤0.05da | 0.05da<S≤0.11da | >0.11da | ≤0.05da | 0.05da<S≤0.09da | >0.09da |
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| ±12.5% | ±10% |
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Applications
Mechanical Seamless Steel Tube DIN1629
Mainly used for greenhouse pipes, scaffolding pipes, transportation the ocean oil and gas,
mechanical tube of ocean platform, power station, chemical industry and building, construction foundation piles, steel structure building, for low-pressur fluid service, steel structure bridges etc.
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Pipe & Tube Processing
Steel Pipe & Tube Application
Packaging and Shipping
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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).