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Commodity name | STKM 11A Pneumatic Cylinder Steel Tube | |
Dimension | OD:30-250mm, WT:2-30mm | |
Standard: GB/T8713, GB/T3639, DIN2391, EN10305, ASTMA519, ASTMA106-2006, API 5L,etc
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1.DIN Standard |
10# (ST37-2, ST35-8), 20# (ST42, ST45-4/8), 45# (DIN CK45), 16mn(ST52.4) etc.
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2.JIS standard: | 10# (STPG38, STS38,STB30,STB33,Stb35), 20#(STPG42,STB42,STS42,JIS S20C), 45#(JIS S45C), 16mn(STS49,STPT49) etc. | |
3.ASTM/AISI standard | 10#(ASTM a106/53 Gr.B,A192,A179-C), 20#(ASTM A106/53 Gr.B, A178-C,A210-A-1, A315-B,AISI1020), 45#(AISI1045), 16mn(ASTM A210-C) etc. | |
Technique | Cold drawing, cold rolling, hot rolling or hot expanding | |
Usage | Seamless steel pipes for low and medium pressure boiler, high pressure boiler, ship-building, liquid service, petroleum cracking, chemical fertilizer equipment, drawing-oil-equipment and structure purposes. | |
Package | steel strip bundles, black paint coating, beveled ends or plain | |
Payment terms | L/C or T/T (30% deposit and 70% balance against B/L copy) | |
Delivery | FOB, CIF, CFR, etc | |
Shipment | 15 working days after getting payment | |



Application:
1.Hydraulic Cylinder Tube is widley used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Materials are various, mainly includingSTKM-13CT, ST52, CK45 and 1020. We can work and get the mechanical property that the clients need and extend the life of the hydraulic cylinder.
2.SRB tube ----- Used in Elevator ,buffer and Hydraulic Cylinder .This kind of tube have a better roughness inner the tube, ra 0.2-0.4um and can use directly in the hydraulic cylinder tube.
Range: ID 50-250mm and Length can work at most 6Meters' length.
3.Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11m

FAQ
1.When can I get the quotation ?
within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
2.Can we get free samples ?
Yes, of course.After price confirmation, you can require for samples to check our quality counter display.samplesarefree,you onlypay for freight charge is ok.
3.What is your terms of deliveryand payment terms?
We accept EXW, FOB, CIF, etc;You can choose the one which is the most convenient for you.
4.How about your delivery times?
15 days after confirmed order.
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