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Standard:EN10297-1 Seamless circular steel tubes for mechanical and general engineering purpose
Size range: O.D.: 6-168mm W.T.: 1-30mm L:max12000mm
Steel grade :Non-alloy and alloy steel
Application: using for seamless circular tubes made of non-alloy and alloy steels for mechanical and general engineering purposes.
Steel | C | Si | Mn | P | S | Cr | Mo | Ni | Other elem | |||||||
Steel name | Steelnum | min | max | min | max | min | max | max | max | min | max | min | max | min | max |
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E235 | 1.0308 |
| 0.17 | - | 0.35 | - | 1.20 | 0.030 | 0.035 |
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E275 | 1.0225 |
| 0.21 | - | 0.35 | - | 1.40 | 0.030 | 0.035 |
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E315 | 1.0236 |
| 0.21 | - | 0.30 | - | 1.50 | 0.030 | 0.035 |
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E355 b | 1.0580 |
| 0. | - | 0.55 | - | 1.60 | 0.030 | 0.035 |
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E470 | 1.0536 | 0.16 | 0.22 | 0.10 | 0.50 | 1.30 | 1.70 | 0.030 | 0.035 |
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| Al min 0.010, |
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C22E | 1.1 | 0. | 0. | - | 0. | 0. | 0. | 0.0 | 0.0 |
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C35E | 1.1 | 0. | 0. | - | 0. | 0. | 0. | 0.0 | 0.0 |
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C45E | 1.1 | 0. | 0. | - | 0. | 0. | 0. | 0.0 | 0.0 |
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C60E | 1.1 | 0. | 0. | - | 0. | 0. | 0. | 0.0 | 0.0 |
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25CrMo4 | 1.7218 | 0.22 | 0.29 |
| 0.40 | 0.60 | 0.90 | 0.035 | 0.035 | 0.90 | 1.20 | 0.15 | 0.30 | - | - |
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30CrMo4 | 1.7216 | 0.27 | 0.34 |
| 0.35 | 0.35 | 0.60 | 0.035 | 0.035 | 0.80 | 1.15 | 0.15 | 0.30 | - | - |
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34CrMo4 | 1.7220 | 0.30 | 0.37 |
| 0.40 | 0. | 0. | 0.035 | 0.035 | 0.90 | 1.20 | 0.15 | 0.30 | - | - |
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42CrMo4 | 1.7225 | 0.38 | 0.45 |
| 0.40 | 0.60 | 0.90 | 0.035 | 0.035 | 0.90 | 1.20 | 0.15 | 0.30 | - | - |
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Steel | Deli | Minimum tensile properties | |||||||||||
Steel name | Steel num | Yield | Tensile | Elong | |||||||||
For T in mm | For T in mm | l | t | ||||||||||
≤16 | >16 | >40 | >65 | >80 | ≤16 | >16 | >40 | >65 | |||||
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E235 | 1.0 | +ARora+N | 235 | 225 | 215 | 205 | 195 | 360 | 360 | 360 | 340 | 25 | 23 |
E275 | 1.0 | +AR ora+N | 275 | 265 | 255 | 245 | 235 | 410 | 410 | 410 | 380 | 22 | 20 |
E315 | 1.0 | +ARora+N | 315 | 305 | 295 | 280 | 270 | 450 | 450 | 450 | 420 | 21 | 19 |
E355 | 1.0 | +AR ora+N | 355 | 345 | 335 | 315 | 295 | 490 | 490 | 490 | 470 | 20 | 18 |
E470 | 1.0 | +AR | 470 | 430 | - | - | - | 650 | 600 | - | - | 17 | 15 |
Steel Grade | Minimum tensile properties | ||||||||||||
Steel name | Steel number | Yeld strength(ReH) | Tensile strength(Rm) | Elongation A | |||||||||
For T in mm | For T in mm | For T in mm | |||||||||||
≤16 | >16 | >40 | ≤16 | >16 | >40 | ≤16 | >16 | >40 | |||||
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| l | t | l | t | l | t | ||
C22E | 1.151 | 240 | 210 | 210 | 430 | 410 | 410 | 24 | 22 | 25 | 23 | 25 | 23 |
C35E | 1.1181 | 300 | 270 | 270 | 550 | 520 | 520 | 18 | 16 | 19 | 17 | 19 | 17 |
C45E | 1.1191 | 340 | 305 | 305 | 620 | 580 | 580 | 14 | 12 | 16 | 14 | 16 | 14 |
C60E | 1.1221 | 390 | 350 | 340 | 710 | 670 | 670 | 10 | 8 | 11 | 9 | 11 | 9 |
Steel Grade | Minimum tensile properties | ||||||||||||||||
Steel name | Steel num | Yield | Tensile | Elong ation A % | |||||||||||||
For T in mm | For T in mm | For T in mm | |||||||||||||||
≤8 | >8 | >20 | >50 | ≤8 | >8 | >20 | >50 | ≤8 | >8 | >20 | >50 | ||||||
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| l | t | l | t | l | t | l | t | ||
C22E | 1.1151 | 340 | 290 | 270 | 260 | 500 | 470 | 440 | 420 | 20 | 1 | 22 | 2 | 2 | 2 | 2 | 2 |
C35E | 1.1181 | 430 | 380 | 320 | 290 | 630 | 600 | 550 | 500 | 17 | 1 | 19 | 1 | 2 | 1 | 2 | 1 |
C45E | 1.1191 | 490 | 430 | 370 | 340 | 700 | 650 | 630 | 600 | 14 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
C60E | 1.1221 | 580 | 520 | 450 | 420 | 850 | 800 | 750 | 710 | 11 | 9 | 1 | 1 | 1 | 1 | 1 | 1 |
Steel Grade | Minimum tensile properties | ||||||||||||||||
Steel name | Steel nu | Yield | Tensile | A | |||||||||||||
For T in mm | For T in mm | For T in mm | |||||||||||||||
≤ | > | > | > | ≤8 | > | > | > | ≤8 | >8 | > | > | ||||||
| ≤20 | ≤50 | ≤80 |
| ≤20 | ≤50 | ≤80 |
| ≤20 | ≤ | ≤ | ||||||
l | t | l | t | l | t | l | t | ||||||||||
25Cr | 1.7218 | 700 | 600 | 450 | 400 | 900 | 800 | 700 | 650 | 12 | 10 | 1 | 1 | 1 | 1 | 1 | 1 |
30Cr | 1.7216 | 750 | 630 | 520 | 480 | 950 | 850 | 750 | 700 | 12 | 10 | 13 | 11 | 14 | 12 | 15 | 13 |
34C | 1.7220 | 800 | 650 | 550 | 500 | 1000 | 900 | 800 | 750 | 11 | 9 | 12 | 10 | 14 | 12 | 15 | 13 |
42C | 1.7225 | 900 | 750 | 650 | 550 | 1100 | 1000 | 900 | 800 | 10 | 8 | 11 | 9 | 12 | 10 | 13 | 11 |