Product: mechanical carbon seamless tube 20

Grade:20# 45# Q345 25Mn 27SiMn

Outer diameter: 30-300mm

Wall thickness: 2-30mm

Inner roughness: RA0.2-0.8um

Length: Max 6M

ID tolerance: H7 H8 H9 or customized

Delivery condition: BK/BKW/BKS/GBK/NBK

Trade terms: FOB Yantai, Qingdao or as client's request

Payment terms: T/T, or L/C or as client's request

Benifits:

• Superior surface finish
• Dimensional accuracy and excellent micro-structure uniformity
• Enhanced machinability
• High strength to weight ratio
• Tight tolerances, resulting in reduced machine time

 The difference between precision steel pipe and seamless pipe?

1. the seamless steel tube with obvioue difference is that dimensional accuracy, can be up to 0.1mm.

2. high precision steel pipe diameter surface finish, the customer without processing can be used directly and ordinary seamless steel tube to the customer and lather, polishing processing.

3.Dimensional accuracy and excellent micro-structure uniformity.

4.High strength to weight ratio.

Process

Equipped with JLB250T hydraulic cold drawn set, LD120 cold rolling set, annealing furnace, strong honed machine, polishing machine, lathe, saws CNC skived and roller burnished machine, kinds of testing machine.

Mechanical property

Packing&Shipping

1. bundle packing

2. marking as per customer's requests

3. paint on the pipe as per customer request

4. pipe caps as customer request

Application

Widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery,shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestrymachinery, etc.

FAQ

Q1.What do you want to purchase ?

 A:What we can offer are cold drawn seamless tubes, cold rolled steel tubes, stress relieved steel tubes, honed or SRB steel tubes.

Q2.Do you have the target price ?

 A: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 ?

 A: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

Service

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

2. Flexible terms of payment

3. Big discount for repeat customers

4. Alibaba trade assurance supplier

5. More than 20 years steel trading experiences

Waiting for your contact!