JIS G3445 Stkm 13A Stkm 13c Cold Drawn Seamless Honed Steel Pipe for Hydraulic Cylinder Barrel

JIS G3445 Stkm 13A Stkm 13c Cold Drawn Seamless Honed Steel Pipe for Hydraulic Cylinder Barrel

Component I: Item INTRODUCTION
one. Description: 
Honed metal pipe is a kind of easy bore steel tube used to manufacture hydraulic cylinder barrels that is the main portion of a piece of hydraulic cylinder. 

2. Commodity: Cold drawn seamless honed metal pipe

3. Measurement range: 40mm*30mm-580mm*500mm

four. Accessible steel grade: 

SAE/AISI:  SAE1571, SAE1026, SAE1045, SAE4130, SAE4140
DIN:  ST52, ST52.3, ST52.4
EN:  E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470
GB:  twenty#, forty five#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, 

five. Manufacture strategy: Cold rolled, hydraulic chilly drawn, hot rolled+deep gap unexciting

six. Delivery condition: 

+C +LC +SR +A +N
Chilly rolled Chilly drawn Anxiety relieved Annealed Normalized Quenched+Tempered

seven. Bore treatment: Honing, skiving&roller burnishing

eight. Bore roughness control: Ra0.25um max or Ra0, 35um max for honed tubes, Ra0.25um max for skived&roller burnished tubes. 

9. Conclude complete: Plain ends with square cuts, totally free of burrs for honed tubes. Little bevelled finishes for skived&roller burnished tubes. 

ten. CZPT export packing: In bundles tied with metal strips. Int&ext oil coating. Stop plastic caps. Exterior packing by PVC baggage and knit bags. 

11. CZPTized packing and marking can be supplied on ask for. 

12. H8 tolerance: 

ID variety Tolerance ID variety Tolerance
eighteen< d ≤30 +/+.033 a hundred and eighty< d ≤250 +/+.072
thirty< d ≤50 +/+.039 250< d ≤300 +/+.081
fifty< d ≤80 +/+.046 three hundred< d ≤315 +/+.081
80< d ≤120 +/+.054 315< d ≤400 +/+.089
120< d ≤180 +/+.063 400< d ≤500 +/+.097

thirteen. Difference amongst honed tube and skived&roller burnished tube: In hydraulic cylinder industry, there are 2 solutions for bore treatment: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing prospects to different interior surface area impression, but each make sure great roughness. 

Inner Area Issue OF HONED TUBES:


Element II: Regularly Requested Concerns
one. MOQ: 
CZPTly Min Purchase Amount can be 2-three tons/dimension for tubes with OD underneath 250mm, and ten tons/dimension for tubes with OD previously mentioned 250mm. Sometimes, it depends on steel grade you need. If you want special quality like E410, E470 or alloy metal tube, MOQ ought to be 10 tons/measurement at the very least. 
2. Supply Time: CZPTly, our delivery time for honed tubes is about forty-sixty times based on the measurements and quantities. It will get us fifteen-30 days to get uncooked materials. For case in point, if you need to have 3 tons of modest dimensions honed tubes 50mm*40mm with roughness of Ra0.25um max, it will consider us at least 30 times to hone this measurement. 
3. Warranty&Guarantee: Warranty&assure period is 6 months since we supply the tubes, and we are not liable for good quality problem induced by incorrect unloading or storage soon after shipment. We welcome customer’s inspection ahead of shipment. 
4. Payment Approach: We accept payment technique like T/T, L/C, or D/P, but it depends on our investigation about clients. We have a solution to evaluate the credit history of consumers from all in excess of the world, and time and amount of D/P we can launch is identified by the evaluation. 
5. Quality Control: 90% of the tubes are made from sizzling rolled seamless pipes. So, quality of raw material determined high quality of finished tubes. We buy uncooked materials from secure suppliers who are top metal mills, and we inspect the raw substance as for every the specs. Throughout our manufacturing treatment, there is inspection and good quality manage in each and every phase. 

We are a manufacturer of cold drawn, chilly rolled, and hydraulic chilly drawn metal tubes with OD upto 356mm considering that 2002. Covering an spot of about 32000M2, we have twelve common workshops with 2 hydraulic cold drawing benches, 4 chain chilly drawing benches, and 2 ERW mills. Our amenities addresses all the manufacturing processes from pickling, cold drawing, warmth treating, saw slicing, straightening, inspection, packing to more machining &turning, chilly drawing die fabrication, and gear repairation&upkeep. 

Factory Appearance:

Raw Material Inventory:




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JIS G3445 Stkm 13A Stkm 13c Cold Drawn Seamless Honed Steel Pipe for Hydraulic Cylinder Barrel