|
GOST 535-88, St. 3KP/3PS, St. 5PS as per GOST 380-94:
| Steel grade
| Mass fraction of elements, %
|
| C
| Mn
| Si
| S
| P
| Cr
| Ni
| Cu
|
|
|
|
| max
| max
| max
| max
| max
|
| 3KP
| 0,14-0,22
| 0,30-0,60
| max 0,05
| 0,050
| 0,040
| 0,30
| 0,30
| 0,30
|
| 3PS
| 0,14-0,22
| 0,40-0,65
| 0,05-0,15
| 0,050
| 0,040
| 0,30
| 0,30
| 0,30
|
| 5PS
| 0,28-0,37
| 0,50-0,80
| 0,05-0,15
| 0,050
| 0,040
| 0,30
| 0,30
| 0,30
|
Steel
grade
| Mechanical properties
|
Ultimate tensile
strength, N/mm2, min
| Yield strength,
N/mm2, min
| Elongation,
δ5, %, min
|
| 3KP
| 360
| 235
| 27
|
| 3PS
| 370
| 245
| 26
|
| 5PS
| 490
| 285
| 20
|
| 
[SIZES]
D. 10-28 mm - in bundles up to 5 tons, with length up to 12000 mm (±100 mm); |
