Torich International Co.,Ltd.
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Payment Terms: | T/T,L/C |
Place of Origin: | Zhejiang, China (Mainland) |
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SteelGrade and Chemical Compositions: | |||||||
Steel Grade | C | Si | Mn | P | S | Al | |
Steel name | Steel number | max | max | max | max | max | min |
E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | - |
E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | - |
Mechanical properties at room temperature | |||||||||||||
Steel grade | Minimum values for the delivery condition | ||||||||||||
Steel name | steel nubmer | (+Cc) | (+LCc) | (+SR) | (+Ad) | (+N) NBK | |||||||
Rm Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | ||
E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290 to 430 | 215 | 30 |
E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340 to 480 | 235 | 25 |
E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450f | 10 | 450 | 22 | 490 to 630 | 355 | 22 |
aRm: tensilestrength; ReH: upper yield strength;A: elongation after fracture | |||||||||||||
b 1Mpa=1N/mm2 | |||||||||||||
c Depending on the degreeof cold work in the finishing pass the yield strength may nearly be as highas the tensile strength. For calculation purposes the followingrelations are recommended: fordelivery condition +C: ReH ≥0.8Rm fordelivery condition +LC: ReH ≥0.7Rm | |||||||||||||
d For calclulationpurposes the following relation is recommended:ReH≥0.5Rm | |||||||||||||
e For tubes with outside diameter ≤30mm and wall thickness ≤3mm the ReH minimim values are 10Mpa lower than the valuesgiven in this Table | |||||||||||||
f For tubes with outsidediameter>160mm: ReH≥420Mpa | |||||||||||||
Note: Special steel grade is also available, according to customer request.