GNEE has been a professional exporter of DIN 1628 steel pipes for more than 16 years. We specialize in DIN 1628 ST37.4 welded pipes, DIN 1628 ST44.4 welded pipes and DIN 1628 ST52.4 welded pipes.
Our DIN 1628 welded pipes are produced by longitudinal and spiral seam welding processes. They are suitable for equipment manufacturing, container manufacturing, pipeline engineering, and general machinery and instrument manufacturing. And, we can provide paper quality inspection reports for steel pipes.
Products Data
| Standards | DIN 1628 Tube |
|---|---|
| DIN 1628 Seamless Pipe Size | 4 to 219mm W. T.: 0.5 to 20mm |
| DIN 1628 Welded Pipe Size | 5.0 mm – 1219.2 mm |
| DIN 1628 EFW Pipe size | 5.0 mm – 1219.2 mm |
| DIN 1628 Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| DIN 1628 Welded Tube Size | 6.35 mm OD To 152 mm OD |
DIN 1628 Welded Steel Tubes Chemical Composition
| Steel grade | Type of deoxidation (RR, fully killed) |
Chemical composition, % by mass | ||||||
| Symbol | Material Number | C max |
Si max |
Mn max |
P max |
S max |
Addition of nitrogen fixing elements (e.g. not less than 0.020 % Al total) |
|
| Din 1628 St37.4 | 1.0255 | RR | 0.17 | 0.35 | ≥0.35 | 0.040 | 0.040 | Yes |
| Din 1628 St44.4 | 1.0257 | RR | 0.20 | 0.35 | ≥0.40 | 0.040 | 0.040 | Yes |
| Din 1628 St52.4 | 1.0581 | RR | 0.22 | 0.55 | ≥1.60 | 0.040 | 0.035 | Yes |
Products display
DIN 1628 ERW Carbon Steel Pipe
Why Choose GNEE
GNEE has specialized in producing hard chrome plated rods and honed/peeled tubes and drum polished tubes for over 16 years. We have sophisticated processing equipment, strong technical strength and advanced technology.
GNEE has obtained CQC ISO 9001 certification in 2008. We are cooperating with more than 45 countries including Korea, Australia, the United States, Kazakhstan, Turkey, Saudi Arabia, etc. Our export sales have reached 30 million USD per year.
If any question,please contact with us freely by E-mail or Telephone.sales@gneetube.com
GNEE CUSTOMER VISIT
GNEE GROUP PARTICIPATED IN THE NECC EXHIBITION
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FAQ
Q.Can you provide samples?
A.Of course, we can provide you with free samples, but customers need to pay the shipping cost.
Q.How long is your delivery time?
A.Specifically, need to consider the quantity and specifications of your order.
Q.Do you have quality control?
A.Yes, we have got BV.SGS certification.
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