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Seamless Honed Tube/Cylinder Tube
Grade: ST52, 16Mn, 20#, 45#, STKM
Size: Including Metric size and Imperial size
Inside Diameter:
Length: Max.16 meters
Tolerance: DIN2391, H8-H10
Straightness: <0.5/1000
Roughness: 0.1-0.4µ
Producing Process: Cold-Drawing, Heat Treatment, Honing.
Any other requirements, please talk with us.
附1:
ST52 Chemical Composition (%)
Si(max.)
Mn(max.)
C(max.)
P (max.)
S(max.)
0.50
1.6
0.22
0.025
0.025
附2:
ST52 Mechanical Properties
T.S. (min.)
Y.S. (min.)
E % (min.)
580N/mm2
420 N/mm2
10
附3:
ID (mm)
Tolerance(mm)
H7
H8
H9
H10
30 - ≦50
+0.025/0
+0.039/0
+0.062/0
+0.100/0
50 - ≦80
+0.030/0
+0.046/0
+0.074/0
+0.120/0
80 - ≦120
+0.035/0
+0.054/0
+0.087/0
+0.140/0
120 - ≦180
+0.040/0
+0.063/0
+0.100/0
+0.160/0
180 - ≦250
+0.046/0
+0.072/0
+0.115/0
+0.185/0
250 - ≦315
+0.052/0
+0.081/0
+0.130/0
+0.210/0
315 - ≦700
+0.057/0
+0.089/0
+0.140/0
+0.230/0
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