Din2391 Precision Seamless Pipe For Mechanical / Automotive Engineering
Product Details
cold drawn seamless steel tube
,thick wall steel tube
Precision Steel Tube Cold Drawn Carbon Seamless Steel Pipe DIN2391 St35 St45 St37.0 St37.4 St52.0 St30Si
Product Description:
New era supply precision steel tubes size from OD 4 mm to OD80 mm,Wall thickness from WT 0.5 mm to WT 10 mm ,Length max 12m ,Could Cut to length for your special requests.Material ST 35,St45,St52 St30Al,St 30Si,Other materials upon agreement with customers.
Standard: DIN2391
Size Range: OD: 4-80mm
WT: 0.5-10mm
Length: 1-12m
Steel Grade: 10#, 20#, 16Mn, ST35, St45, St52
1.Production method:
Cold Drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance
2.Features:
Smooth inner and outer surfaces
Available in a variety of outer diameter sizes
Good raw material quality
Narrow tolerance
3.Deliver condition:
1). BK Cold finished (hard)
2). BKW Cold finished (soft)
3). BKS Cold finished and stress relieved
4). GBK Annealed
5). NBK Normalized
4.Relative standard:
DIN2391 Precision Seamless Steel tubes for precision hydraulic systems
DIN2393 Precision Welded Steel tubes for precision hydraulic systems
5. Steel Grade and Chemical Compositions:
| Grade |
C max |
Si max |
Mn |
P max |
S 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 |
6.Mechanical properties
| Grade | Condition | Tensile Point(Mpa) | Yield Point(Mpa) | Enlongation |
| ST35 | BK | ≥440 | ≥6% | |
| BKW | ≥370 | ≥10% | ||
| GBK | ≥315 | ≥25% | ||
| NBK | 340-470 | 235 | ≥25% | |
| ST45 | BK | ≥540 | ≥5% | |
| BKW | ≥470 | ≥8% | ||
| GBK | ≥390 | ≥21% | ||
| NBK | 440-570 | 255 | ≥21% | |
| ST52 | BK | ≥590 | ≥5% | |
| BKW | ≥540 | ≥7% | ||
| GBK | ≥490 | ≥22% | ||
| NBK | 490-630 | 355 | ≥22% |
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DIN2391 Precision Seamless Steel Tube
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Black Drill Rod Seamless Drill Pipe High Tolerance 3 - 11.8m Length 2 - 15m WT Size
XJY750 XJY850 wire-line drill pipes , Seamless cold drawing pipes for drill rod 1. Product Name: XJY850 Seamless Steel Tubing wire-line drill rods 2. Size Range: OD: 45-114.3m, WT: 2-15mm, Length:3m,3.06m 5.8m/6m, maximal 11.8m 3. Stable Quality with Comeptitive Price 4. Protective Atmosphere Heat Treatment, Surface is clean and smooth, without oxide scale 5. Good Extending and Bending Ability, Longer Work Life Product Name Seamless Steel Tubing wire-line drill rods Material
