Factory making High Quality Carbon Alloy Steel Pipes 4140/4130/4340/40cr/20cr Seamless for Various Industrial Applications
Short Description:
Our intention would be to provide top quality products and solutions at competitive charges, and top-notch support to customers around the world. We have been ISO9001, CE, and GS certified and strictly adhere to their quality specifications for Factory making High Quality Carbon Alloy Steel Pipes 4140/4130/4340/40cr/20cr Seamless for Various Industrial Applications, Hope we are able to produce a far more superb long term with you by our efforts from the foreseeable future.
Our intention would be to provide top quality products and solutions at competitive charges, and top-notch support to customers around the world. We have been ISO9001, CE, and GS certified and strictly adhere to their quality specifications for , With a state-of-the-art thorough marketing feedback system and 300 skilled workers’ hard work, our company has developed all kinds of solutions ranging from high class, medium class to low class. This whole selection of fine items offers our customers different choices. Besides, our company sticks to high quality and reasonable price, and we also offer you good OEM services to many famous brands.
|
Grade |
C |
Si |
Mn |
Cr |
Mo |
Ni |
|
20Cr |
0.18-0.24 |
0.17-0.37 |
0.50-0.80 |
0.70-1.00 |
/ |
/ |
|
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) |
% Elongation in 2 in.(50mm) min |
|
20Cr |
785-835 |
490-540 |
10 |
20Cr alloy steel pipe can improve the material utilization rate, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, jack sleeves, etc.
20Cr alloy steel pipe is also an indispensable material for various conventional weapons, and the barrel and barrel of the gun are made of steel pipe.
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects
Hot Rolled, Annealed, Normalized, Quenched and Tempered
Packaging
1. Bundle packing
2. Beveled end or plain end or varnished as per buyer’s required
3. Marking: as per customer’s requests
4. Painting varnish coating on the pipe
5. Plastic caps at ends
Delivery time
With 15-30 days after full payment receivedOur intention would be to provide top quality products and solutions at competitive charges, and top-notch support to customers around the world. We have been ISO9001, CE, and GS certified and strictly adhere to their quality specifications for Factory making High Quality Carbon Alloy Steel Pipes 4140/4130/4340/40cr/20cr Seamless for Various Industrial Applications, Hope we are able to produce a far more superb long term with you by our efforts from the foreseeable future.
Factory making Seamless Pipes and Carbon Round Pipes, With a state-of-the-art thorough marketing feedback system and 300 skilled workers’ hard work, our company has developed all kinds of solutions ranging from high class, medium class to low class. This whole selection of fine items offers our customers different choices. Besides, our company sticks to high quality and reasonable price, and we also offer you good OEM services to many famous brands.
