Model NO. | Powersen1 | Structure | hydraulic cylinder tube type |
Material | seamless steel tube | Raw Material | Carbon steel |
Material type | Seamless | Surface Treatment | Bk, Nbk, Bks, etc |
MOQ | 1tons | Warranty | 12month |
Production Capacity | 24000tons/years | HS Code | 7304319000 |
Section Shape | Round | Usage | Hydraulic/Automobile Pipe, Machinery Industry, Mining, Special Purpose |
Bore Roughness | Ra0.25um Max | Wall thickness | 3-50mm |
Od Treatment | Machining+Polishing | ID Tolerance | H8, H9 |
Bore Treatment | Honing, Skiving&Roller Burnishing | Transport Package | Standard Export Packing or Customized Packing |
Specification | 40mm*30mm-580mm*500mm | Trademark | Sdpowersen |
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Burnishing tube OD:45mm - 180 mm Burnishing tube ID:35mm - 160 mm |
Burnishing tube materials: 20# 45#(CK45) 16Mn (ST52) 25Mn 27SiMn | |
Burnishing tube thickness : 5mm - 22 mm | |
Burnishing Standard: GB/T 87 13-88 GB/T 3639 - 2000 TIN 2391 EN 10305 |
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Cylinder tube series
|
Skived and rolled burnished tube series | Honed tube series |
Mechanical properties | ||||
Steel grade | tensile strength (бb N/mm2) | Yield strength (бs N/mm2) | Elongation (δ%) | Hardness (HB) |
20# |
≥520 |
≥470 |
≥12 |
175 |
45#(CK45) |
≥600 |
≥520 |
≥12 |
207 |
16Mn(ST52) |
≥600 |
≥520 |
≥12 |
190 |
25Mn |
≥600 |
≥510 |
≥15 |
195 |
27SiMn |
≥800 |
≥720 |
≥10 |
230 |
Product Description | |||||
Processing form | Cylinder ID (mm) | length (m) | Straingtness (mm/m) | Tolerance on ID | Roughness (µ/m) |
Cold drawn | 30-250 |
≤13m |
0.2-0.5 | H9-H11 | 0.8-1.6 |
Precision rolling | 40-800 |
≤13m |
0.2-0.3 | H7-H9 | 0.2-0.4 |
Honing | 40-800 |
≤7m |
0.2-0.3 | H7-H9 | 0.4-0.8 |
Burnished | 40-400 |
≤7m |
0.2-0.3 | H8 | ≤0.4 |
Dimension Tolerence | ||||||
Size of ID (mm) | ID Tolerance | Tolerance of wall thickness | ||||
H7 | H8 | H9 | H10 | H11 | ||
30 | +0.021 0 |
+0.033 0 |
+0.052 0 |
+0.084 0 |
+0.130 0 |
±5% |
>30-50 | +0.025 0 |
+0.039 0 |
+0.062 0 |
+0.100 0 |
+0.160 0 |
|
50-80 | +0.030 0 |
+0.046 0 |
+0.074 0 |
+0.120 0 |
+0.190 0 |
|
80-120 | +0.035 0 |
+0.054 0 |
+0.087 0 |
+0.140 0 |
+0.220 0 |
|
120-180 | +0.040 0 |
+0.063 0 |
+0.100 0 |
+0.160 0 |
+0.250 0 |
|
180-250 | +0.046 0 |
+0.072 0 |
+0.115 0 |
+0.185 0 |
+0.290 0 |
|
250-315 | +0.052 0 |
+0.081 0 |
+0.130 0 |
+0.210 0 |
+0.320 0 |
|
315-400 | +0.057 0 |
+0.089 0 |
+0.140 0 |
+0.230 0 |
+0.360 0 |
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