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High Precision Burnished Tubes/Skived Bore Tubes

China High Precision Burnished Tubes/Skived Bore Tubes, Find details about China Furnished Tubes, Skived Bore Tubes from High Precision Burnished Tubes/Skived Bore Tubes

Model NO.
High Precision Burnished Tubes
Precision of Burnished Tubes
H7, H8, H9
Certificate of Skived Bore Tubes
API
Roughness of Skived Bore Tubes
Ra 0.8
Trademark
Burnished Tubes
Specification
as per the clients
Origin
China
HS Code
72284000
Model NO.
High Precision Burnished Tubes
Precision of Burnished Tubes
H7, H8, H9
Certificate of Skived Bore Tubes
API
Roughness of Skived Bore Tubes
Ra 0.8
Trademark
Burnished Tubes
Specification
as per the clients
Origin
China
HS Code
72284000
We are professional High Precision Burnished Tubes/skived bore tubes factory from China

Grade: ST52, ST52.3, CK45, Q345B, EN355, 16Mn, STKM13C, SAE1020/1026/4140, 42CrMo, TP304/316 etc.
OD metric size: 30 to 2000 mm
OD imperial size: 1.5" to 50" (inch)
Length: Max 20 Meter
Straightness: <0.5 mm/m
Tolerance OD: DIN 2391
Tolerance ID: ISO H8, H9, H10
Roughness(Ra): <0.8
Type: BK+S, high precision cold drawn, seamless honed, burnished
Internal surface treatment method: honing or skiving and roller burnishing
OD tolerance: as per DIN2391-1
ID tolerance: H7,H8,H9,H10 or given by customer.
W.T tolerance(eccentricity): +/-5%
Bore roughness(Ra): 0.3um max.
Chemical composition requirement of ST52 material:
 

Inside Dia (mm) ID Tolerance (mm) WT Tolerance            (mm)  
 
H7 H8 H9 H10  
≤30 +0.021/0 +0.033/0 +0.052/0 +0.084/0 ±7.5%                      
 >210mm ±10%		  
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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