20cr / 40cr seamless steel pipe/tube alloy steel for piston pin

20cr / 40cr  seamless steel pipe/tube alloy steel for piston pin

1.Seamless steel pipe
2.Certificate-ISO9000-2008, ASTM,JIS
3.Thickness-1-12mm
4.OD-15-80mm
5.Material-20cr / 40cr
Features
1. Technique- cold drawn/cold rolled
2. Application-  boiler pipe/structure pipe
3. Surface finish- normally as customers' requirements
4. Packing-normal packing or according to your request.
5. Main Markets- North America, South America,  Southeast Asia, Africa, Oceania, Mid East, Eastern Asia

Our cold drawn/rolled precision  products with small tolerance 

 100%Manual inspect in each process

   1.Raw material inspection:to check if the chemical composition is qualified or not.

    2.Heat pipes inspection:to check the tolerance and the outer diameter.

    3.Cold pipes inspection:to check the OD and ID.

    4.General inspection:to check if the product is made according the customer's requirements.

NDT: to ensure the quality for our customers

Package details: 1.woven sack to anti-rust

                             2.wooden cases

                             3.as customer's request

 Free samples are available!!!

Company Introduction

Hebei Province Gold Mysterious Pipe Co., Ltd. specializes in the production of various seamless steel pipes, with the wall thicknesses from 1mm to 10mm and outer diameters from 15mm to 50mm. Our products include common seamless steel pipes, cold drawn pipes, cold rolled pipes, alloy steel pipes, special pipes, etc. We are equipped with advanced production equipment, such as two punching lines, thirteen fine rolling production lines and ten cold drawing production lines. Our company invites a group of excellent technical experts and management personnel in domestic steel pipe industry to improve the technical levels of our products. In terms of quality control, our company has been implementing ISO9001:2008 Quality Management System since March, 2011. We have strict product quality control in each process, from raw material purchase to finished product delivery, ensuring satisfactory product quality.