European Standard Alloy Pipes
DIN 17175 alloy steel pipe is just a big class,and it has many classifivations. We mainly produce DIN 17175 ST35.8, DIN 17175 ST45.8, and 10CrMo910 steel pipes. This alloy steel pipe is just a big class,and it has many classifivations.
We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes.
Steel grade:
- DIN17175 St35.8
- DIN17175 St45.8
- 15Mo3
- 13CrMo44
- 10CrMo910
Size (mm) we can supply:
Hot-rolled: O.D.: 51-508; W.T.:7∼60; L: max 16000
Cold-drawn: O.D.: 10-50; W.T.:2∼10; L: max 16000
Hot-expanded：O.D.: 325-1020; W.T.:6∼50; L: max 12000 and other specifications in accordance with customer requirements.
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, Epoxy & Fbe Coating Painting as requested.
Chemical Compositions of DIN 17175 steel pipes (%)
|
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
St35.8 |
≤0.17 |
0.10-0.35 |
0.40-0.80 |
≤0.040 |
≤0.040 |
/ |
/ |
|
St45.8 |
≤0.21 |
0.10-0.35 |
0.40-1.20 |
≤0.040 |
≤0.040 |
/ |
/ |
|
15Mo3 |
0.12-0.20 |
0.10-0.35 |
0.40-0.80 |
≤0.035 |
≤0.035 |
/ |
0.25-0.35 |
|
13CrMo44 |
0.10-0.18 |
0.10-0.35 |
0.40-0.70 |
≤0.035 |
≤0.035 |
0.70-1.10 |
0.46-0.65 |
|
10CrMo910 |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
≤0.035 |
≤0.035 |
0.20-0.25 |
0.90-1.20 |
Mechanical Properties of DIN17175 steel pipe
|
Grade |
Yield Strength (Mpa) |
Tensile Strength (Mpa) |
Elongation(%) |
|
St35.8 |
≥235 |
360-480 |
25 |
|
St45.8 |
≥255 |
410-530 |
21 |
|
15Mo3 |
≥275 |
450-600 |
20 |
|
13CrMo44 |
≥290 |
440-590 |
20 |
|
10CrMo910 |
≥280 |
450-600 |
18 |
Ordering Information
Orders for material under this specification should include the following, as required, to describe the desired material adequately:
|
Quantity |
Feet, meters, or number of lengths |
|
Name of material |
Seamless Alloy Steel Pipe |
|
Grade |
STANDARD AND STEEL GRADE |
|
Manufacture |
Hot-finished or cold-drawn |
|
Size using one of the following: |
|
|
NPS and Schedule Number |
|
|
Outside Diameter and Nominal Wall Thickness |
|
|
Length |
Specific or Random |
|
End Finish |