Precision Steel Tube Cold Drawn Carbon Seamless Steel Pipe DIN2391 St35 St45 St37.0 St37.4 St52.0 St 30SI
Precision Steel Tube Cold Drawn Carbon Seamless Steel Pipe DIN2391 St35 St45 St37.0 St37.4 St52.0 St 30SI
Cold Drawn Carbon Seamless Steel Pipe
Precision Steel Tube DIN2391 St35, St45, St37.0, St37.4, St52.0, St 30SI,
Grade:
St 30SI, St 30 Al, St35,St45, St52, Other materials upon agreement with customers.
Quick Detail:
Precision Steel Pipes for Hydraulic system
Size Range:
OD: 4-80 (mm)
WT 0.5-10 (mm)
Length 12000mm
DIN2391 Precision Seamless Steel tubes for precision hydraulic systems
2. Steel Grade:
St 30SI, St 30 Al, St35,St45, St52, other materials upon agreement with customers.
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 |
3. Production method:
Cold Drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance
4.Size range:
O.D.:20-350mm W.T.:1-15mm L:max12000mm
5. Packing:
In Hexagonal Bundles, wth anti-rust oil protection, with seaworthy packing
6.Deliver condition:
2). BKW Cold finished (soft)
5). NBK Normalized
| 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 |
Tube under Inspection:
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