The chemical composition of the material:

More information for cold rolled steel pipe:

1.We can produce high precision cold rolled seamless steel pipe in 2015.

2.Size:OD15-80mm  Thickness:1-12mm Length:3-11.8m

3.Tolerance:OD:+0.05mm, -0.05mm or +/-0.025mm

                      Thickness:+0.05mm, -0.05mm or +/-0.025mm

                      Length:when the length of per pipe is less than 1mm, we can controll the toletance within +1 or -1mm.

4.Material: SAE5130, 30Cr and SCr430

5.Standard:GB/T 3639, DIN, 12391, EN 10305-1, ASTM A519, JIS G3445 etc

6.Advanced equipement:Three-roller rolling mill, CNC automatic cutting machine and  Anaerobic annealing furnace

7.Production process:seamless, cold rolled

8.Test:eddy current test or ultrasonic test

9.Price:The price will be the best one when the order reaches a full container.

10.Usage:auto part and machine part.

1.Packaging:

1).Plastic film and woven bag bundling:

2).Wooden case packing:

3.Plastic caps on two ends.

2.Shipping:

1).20feet container load 20-25tons pipe whose length is under 5.8m

2).40feet container load 20-25tons pipe whose length is under 11.8m

3).We will consider bulk cargo when the goods is more than 200 tons to save freight fee for our customers

1.Any of your questions will be answered within 24 hours!

2.Designed service:Because our products are mainly made-to-order, we can develop new product according to the customer's requirement.

3.Sample service:

1.Hebei province gold mysterious pipe co., ltd is located at Pangkou industrial park, Gaoyang county, Baoding city, Hebei province, China.

2.Certificate:

ISO9001:2008

Q1. Our company is manufacturer or trade company?

Our company is a professional manufacturer and our factory is about 70,000square meter.

Q2. What is MOQ?

Generally, MOQ for every size of pipe is 5tons. However, we can also accept a 1ton trial order in the first business.

Q3. How to ensure the production time?

1).Our production department must comply with production plan strictly.

2).Both merchandiser and related salesman must track the product all the time and inform the customer latest information in time if any change.

Q4. Our price is competitive or not?

We have been adjusting the price of the pipe according to the changes for the price of material and cost of labor in time.

Meanwhile, we will offer more discount to the customer according to the order quantity.