TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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YB/T5035-1993 Seamless Steel Tube for Axle Shaft Sleeve
45 45Mn2 40Cr 20CrNi3A
Axle tubes/ Axle Housing Tubes
Seamless steel tubes for automotive axle housing as per standard YB-T5035
Characteristic: long length and cutting length (custom for you)
Various material for your specified end use
Tubes with different heat treatment to have excellent mechanical properties according to customers’ requests.
Available sizes: OD 78 77 77.5 80 92 95 96 102 108 114 115 116 120 121 122 WT:7 10 11.5 12 13 15 16 20 20.5 26
Detail available sizes:
| OD WT | 7 | 10 | 11.5 | 12 | 13 | 15 | 16 | 20 | 20.5 | 26 |
| 78 | x | - | - | - | - | - | - | - | - | - |
| 77 | - | x | - | - | - | - | - | - | - | - |
| 77.5 | - | x | - | - | - | - | - | - | - | - |
| 80 | - | - | x | - | - | - | - | - | - | - |
| 92 | - | - | - | x | - | - | - | - | - | - |
| 95 | - | - | - | x | x | - | - | - | - | - |
| 102 | - | - | - | x | - | x | - | - | - | - |
| 108 | - | - | - | x | - | - | - | - | - | - |
| 114 | - | - | - | - | - | x | - | - | - | - |
| 115 | - | - | - | - | - | - | x | x | - | x |
| 116 | - | - | - | - | - | - | - | - | x | - |
| 120 | - | - | - | - | - | - | - | - | x | - |
| 121 | - | - | - | - | - | - | - | - | x | - |
| 122 | - | - | - | - | - | - | - | - | x | - |
If customer advise the OD and WT will follow below tolerance.
Tolerance for OD ±1%
Wall thickness ≤7mm -9,+15%
＞7-15mm -10,+12.5%
＞15mm -7.5 ,+12.5%
If customer advise the OD ID and WT will follow below tolerance.
OD ±1.0%
ID ±1.75%
WT ≤15%
OD 77mm 57mm 10mm
OD +1.0 -0.5mm
ID +1.5 -0.5mm
WT ≤15%
Bending:
WT≤15mm >>>1.5mm/m
WT＞15mm>>>3.0mm/m
Chinese Grade :45 45Mn2 40Cr 20CrNi3A
| Steel Grade | Chemical properties % | |||||||
| C | Mn | Si | S | P | Cr | Ni | Cu | |
| 45 | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.040 | ≤0.040 | ≤0.025 | ≤0.025 | ≤0.025 |
| 45Mn2 | 0.42-0.49 | 1.40-1.80 | 0.20-0.40 | ≤0.040 | ≤0.040 | ≤0.035 | ≤0.035 | ≤0.030 |
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.20-0.40 | ≤0.040 | ≤0.040 | 0.80-1.10 | ≤0.035 | ≤0.030 |
| 20CrNi3A | 0.17-0.24 | 0.30-0.60 | 0.20-0.40 | ≤0.030 | ≤0.035 | 0.60-0.90 | 2.75-3.25 | ≤0.025 |
| Steel Grade | Mechanical properties | Hardness | |||
| σb Kgf/mm2 (Mpa) | σs Kgf/mm2 (Mpa) | δ5 % | HB | Indentation Diameter mm | |
| 45 | ≥60(588) | ≥34(333) | ≥14 | - | - |
| 45Mn2 | - | - | - | 217-269 | 4.1-3.7 |
| 40Cr | - | - | - | 217-269 | 4.1-3.7 |
| 20CrNi3A | - | - | - | 217-269 | 4.1-3.7 |
