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DIN 17175 St35.8 seamless steel tube is widely used in various industries such as chemical, petroleum, and power generation. These tubes are made from high-quality carbon steel and are designed to withstand high temperatures and pressures. The tubes are produced in various sizes and thicknesses to meet the specific requirements of different applications. DIN 17175 St35.8 seamless tube have excellent corrosion resistance, good weldability, and high strength. They are also known for their durability, reliability, and long service life. These tubes are widely used in the construction of boilers, pipelines, and heat exchangers.
DIN17175 Standard Specification for Seamless steel pipe of heat-resistant steels-technical conditions of delivery.
Chemical Composition
|
Grade |
C |
Si |
Mn |
P |
S |
|
|
Steel name |
Steel number |
|
|
|
max |
max |
|
St35.8 |
1.0305 |
≤0.17 |
0.10-0.35 |
0.40-0.80 |
0.040 |
0.040 |
|
St45.8 |
1.0405 |
≤0.21 |
0.10-0.35 |
0.40-1.20 |
0.040 |
0.040 |
|
17Mn4 |
1.0481 |
0.14-0.20 |
0.20-0.40 |
0.90-1.20 |
0.040 |
0.040 |
|
19Mn5 |
1.0482 |
017-0.22 |
0.30-0.60 |
1.00-1.30 |
0.040 |
0.040 |
|
15Mo3 |
1.5415 |
0.12-0.20 |
0.10-0.35 |
0.40-0.80 |
0.035 |
0.035 |
|
13CrMo4 4 |
1.7335 |
0.10-0.18 |
0.10-0.35 |
0.40-0.70 |
0.035 |
0.035 |
|
10CrMo9 10 |
1.7380 |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
0.035 |
0.035 |
|
14MoV 6 3 |
1.7715 |
0.10-0.18 |
0.10-0.35 |
0.40-0.70 |
0.035 |
0.035 |
|
X20CrMnV12 1 |
1.4922 |
0.17-0.23 |
≤0.50 |
≤1.00 |
0.035 |
0.035 |
Mechanical Properties
|
Grade |
Tensile strength |
Yield strength(Thickness) |
Elongation |
||||
|
≤16 |
＞16≤40 |
＞40≤60 |
V |
H |
|||
|
Steel name |
Steel number |
Mpa |
min Mpa |
min % |
|||
|
St35.8 |
1.0305 |
360-480 |
235 |
225 |
215 |
25 |
23 |
|
St45.8 |
1.0405 |
410-530 |
255 |
245 |
235 |
21 |
19 |
|
17Mn4 |
1.0481 |
460-580 |
270 |
270 |
260 |
23 |
21 |
|
19Mn5 |
1.0482 |
510-610 |
310 |
310 |
300 |
19 |
17 |
|
15Mo3 |
1.5415 |
450-600 |
270 |
270 |
280 |
22 |
20 |
|
13CrMo4 4 |
1.7335 |
440-590 |
290 |
290 |
280 |
22 |
20 |
|
10CrMo9 10 |
1.7380 |
450-600 |
280 |
280 |
270 |
20 |
18 |
|
14MoV 6 3 |
1.7715 |
460-610 |
320 |
320 |
310 |
20 |
18 |
|
X20CrMnV12 1 |
1.4922 |
690-840 |
490 |
490 |
490 |
17 |
14 |
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Main Product:
Seamless Steel Pipe ,
Welded Steel Pipe,
Casing and Tubing,
Carbon Steel Pipe,
Stainless Steel Pipe,
Alloy Steel Pipe
