Schedule 40 Carbon Seamless Pipe Trade Assurance Supplier
Product: schedule 40 carbon seamless pipe trade assurance supplier
Technical specification: Suitable for hydraulic cylinder
Grade:20# 45# 16Mn 25Mn 27SiMn
Outer diameter: 30-250mm
Wall thickness: 2-30mm
ID tolerance: H7 H8 H9 or as customized
Package: standard packing with plastic bags or wooden cartons or as client's request
Delivery time: within 20-30 days after receiving downpayment or as client's request
Trade terms: FOB Yantai, Qingdao or as client's request
Payment terms: T/T, or L/C or as client's request
Process
Equipped with JLB250T hydraulic cold drawn set, LD120 cold rolling set, annealing furnace, strong honed machine, polising machine,lathe,saws CNC skived and roller burnished machine, kinds of testing machine.
Certification
Passing Verified System ISO9001, all our products are in tight tolerance and high quality control.
Packaging&Shipping
1.bundle packing
2.marking as client's request
3.paint on the pipe as client's request
4.pipe caps as client's request
Delivery conditions
1. NBK(+N)
after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
2. GBK(+A)
after cold forming, annealing in non oxidizing medium protective gas
3. BK(+C)
the final heat treatment after cold forming, therefore small steel pipe plastically, the plastically degree does not guarantee
4. BKW(+LC)
after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)
5. BKS(+SR)
have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing
Application
Widely used in hydraulic system with precision steel tube,injection molding machine with precision steel tube, hydraulic press machien with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machine, hydraulic cutting machine, shoemaking machine, hydraulic equipment, hydraulic tubing,, engineering machine, textile machine, printing machine, oil drilling and other field.
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