Chinese sch 40 black tube

Specifications

Commodity name: Chinese sch 40 black tube

Suitable for hydraulic cylinder tubes,honing or skiving and roller burnishing cylinder tubes

Dimensions tolerance

Mechanical properties

• Tensile strength:≥520Mpa
• Yield strength :≥375Mpa
• Elongation :>15%
• Hardness :HRB>85
• Supply condition:BKS(+SR)

Delivey conditions:

• Standard packing with plastic caps and strapped bundes.,standard weight approx 1500kg
• Commercial length 2000~10500mm,custom lengths upon request
• Surface protection

Production Process:

• Pretreatment : Pickling­—Phosphating—Saponification

• Cold drawn/cold rolled

• Annealing furnace——+SR

• Straightener—— Straightening

•  Straightness inspecting

• Dimension inspecting

• Sawing

• Lathe

• Polishing

• Products inspecting

• Finished Products

• Application:Hydraulic cylinder tubes

About our service:

1.cargo track service during transporting and feedback service after cargo is loaded on board

2.flexible terms of payment by T/T and L/C

3.big discount for repeat customers

4.smooth delivering procedure

RFQ: 

Q1.What do you want to purchase ?

What we can offer are cold drawn seamless tubes,cold drawn welded tubes (DOM tubes)

Q2.Do you have the target price ?

Generally ,we have the target price when we buy something ,which is good for both supplier and

customer ,at the same time ,the target price should be objective ,reflecting the market.

Q3.What factors have an effect on the price ?

1 The market. our price rise and fall accompany with the market

2 The material and the grade .Different materials sometimes mean hundreds dollars.

3 The sizes. generally ,the thinner is more expensive because of the manufacture difficulty