Cold Drawn Precision Seamless Steel Pipes DIN2391
Базовая информация
Модель: DIN2391
Описание продукта
Torich is Specialized in Producing Cold Drawn Carbon Seamless Steel Pipe,
High Precision Steel Tube and Pipes are manufactured according to technical standard of
DIN2391 with steel grade St35, St45, St37.0, St37.4, St52.0, St 30SI, etc
We are manufacturer of Seamless Steel Tubes in China, if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.
High Precision Steel Pipes Grade:
St 30SI, St 30 Al, St35,St45, St52, Other materials upon agreement with customers.
1. High Precision Steel Tubes Standard:
DIN2391 Precision Seamless Steel tubes for precision hydraulic systemsDIN2393 Precision Welded Steel tubes for precision hydraulic systems
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. Cold Drawn Precision Seamless Steel Pipes 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 in production:
100% Eddy Current Test and Ultrasonic Test:
Chemical Composition Inspection:
Mechanical Properties Inspection:
Группа Продуктов : Трубы стальные бесшовные