SEAMLESS STEEL PIPE FOR PRESSURE PURPOSES | ||||||||
Standard | DIN 17175----German Industrial Standard | |||||||
Purpose | For the boiler pipes, tobacco pipes, superheater tubes, air preheatertubes. | |||||||
Chemical Composition | ||||||||
Standard | Grade | Chemical Composition | Â | |||||
C | Si | Mn | P,S | Cr | Mo | Â | ||
DIN 17175 | St35.8 | ≤0.17 | 0.10~0.35 | 0.40~0.80 | ≤0.030 | / | / |  |
St45.8 | ≤0.21 | 0.10~0.35 | 0.40~1.20 | ≤0.030 | / | / |  | |
15Mo3 | 0.12~0.20 | 0.10~0.35 | 0.40~0.80 | ≤0.030 | / | 0.25~0.35 |  | |
13CrMo44 | 0.10~0.18 | 0.10~0.35 | 0.40~0.70 | ≤0.030 | 0.70~1.10 | 0.45~0.65 |  | |
10CrMo910 | 0.08~0.15 | ≤0.50 | 0.40~0.70 | ≤0.030 | 2.00~2.50 | 0.90~1.20 |  | |
Mechanical Properties | ||||||||
Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) | Â | Â | Â | Â |
DIN 17175 | St35.8 | 360~480 | ≥235 | ≥25 |  |  |  |  |
St45.8 | 410~530 | ≥255 | ≥21 |  |  |  |  | |
15Mo3 | 450~600 | ≥270 | ≥20 |  |  |  |  | |
13CrMo44 | 440~590 | ≥290 | ≥20 |  |  |  |  | |
10CrMo910 | 450~600 | ≥280 | ≥18 |  |  |  |  |
SEAMLESS STEEL PIPE FOR PRESSURE PURPOSES | ||||||||
Standard | DIN 17175----German Industrial Standard | |||||||
Purpose | For the boiler pipes, tobacco pipes, superheater tubes, air preheatertubes. | |||||||
Chemical Composition | ||||||||
Standard | Grade | Chemical Composition | Â | |||||
C | Si | Mn | P,S | Cr | Mo | Â | ||
DIN 17175 | St35.8 | ≤0.17 | 0.10~0.35 | 0.40~0.80 | ≤0.030 | / | / |  |
St45.8 | ≤0.21 | 0.10~0.35 | 0.40~1.20 | ≤0.030 | / | / |  | |
15Mo3 | 0.12~0.20 | 0.10~0.35 | 0.40~0.80 | ≤0.030 | / | 0.25~0.35 |  | |
13CrMo44 | 0.10~0.18 | 0.10~0.35 | 0.40~0.70 | ≤0.030 | 0.70~1.10 | 0.45~0.65 |  | |
10CrMo910 | 0.08~0.15 | ≤0.50 | 0.40~0.70 | ≤0.030 | 2.00~2.50 | 0.90~1.20 |  | |
Mechanical Properties | ||||||||
Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) | Â | Â | Â | Â |
DIN 17175 | St35.8 | 360~480 | ≥235 | ≥25 |  |  |  |  |
St45.8 | 410~530 | ≥255 | ≥21 |  |  |  |  | |
15Mo3 | 450~600 | ≥270 | ≥20 |  |  |  |  | |
13CrMo44 | 440~590 | ≥290 | ≥20 |  |  |  |  | |
10CrMo910 | 450~600 | ≥280 | ≥18 |  |  |  |  |
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