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St35 St52 1026 Pre-Honed Seamless Precision Steel Tube Din 2391
EN 10305-1 Precision steel tubes
EN 10305-1 Precision steel pipes
Hydraulic cylinder Precision steel tubes
Hydraulic cylinder Precision steel pipes
E235 E355 Precision steel tubes
E235 E355 Precision steel pipes
ID honed Precision steel tubes
ID honed Precision steel pipes
DIN 2391 Material Properties
DIN 2391 equivalent ASTM Standard EN 10305-1, EN 10305-4, ASTM A519, NF 699, GOST 9567-75, NBR 8476, BS 6323 Part 4, NF A 49-330-85, BS 6323-4
DIN 2391 ST52 mechanical Properties
| Mechanical properties at room temperature | ||||||||||
| Steel Grade | Minimum values for the delivery condition | |||||||||
| BKW | BKS | GBK | (+N) NBK | |||||||
| ST35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 340-470 | 235 | 25 |
| ST45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 440-570 | 235 | 21 |
| ST52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490-630 | 355 | 22 |
ST52 Steel Tube properties
DIN 2391 ST52 Chemical Composition
Steel Grade and Chemical Compositions:
| Steel Grade | C | Si | Mn | P | S | |
| max | max | max | max | |||
| ST35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 | |
| ST45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 | |
| ST52 | 0.22 | 0.35 | ≥1.60 | 0.025 | 0.025 |
ST52 steel tube equivalent are EN10025-1994 1.0570 S355, DIN 2393 & 2394 1.0570 ST 52-3 and DIN 2391-2 1.0580 ST 52. ST52 steel tubes are high strength structural steel, low alloy.
DIN 2391 ST52 pipe properties is that of a Chemical Composition of P max 0.025, C ≤0.22, Mn ≤1.6, Si ≤0.55 and S max 0.025. DIN 2391 ST52 pipes have a Tensile Strength of 600 Mpa Min. The Yield Strength of DIN 2391 ST52 pipes is 520 Mpa Min. DIN 2391 ST52 pipes have an Elongation of 14% min.
