LARGE DIAMETER SEAMLESS PIPE
Large diameter thick-walled seamless steel pipe refers to a pipe that out diameter is above 159mm.
Chemical composition of EN 10305-1 25CrMo4 Carbon Steel Tubes
| Steel grade | C | Si | Mn | P | S | Cr | Mo | Ni | ||||||
| Steel name | Steel number | min. | max. | max. | min. | max. | max. | max. | min. | max. | min. | max. | min. | max. |
| 25CrMo4 | 1.7218 | 0,22 | 0,29 | 0,40 | 0,60 | 0,90 | 0,035 | 0,035 | 0,90 | 1,20 | 0,15 | 0,30 | - | - |
Mechanical properties of 25CrMo4 Cold Rolled Seamless Steel Tube
| Steel grade | Minimum tensile properties | |||||||||||||||||
| Steel name | Steel number | Yield strength (ReH) MPa | Tensile strength ( Rm) MPa | Elongation A% | ||||||||||||||
| For T in mm | For T in mm | For T in mm | ||||||||||||||||
| T≤8 | 8＜T≤20 | 20＜T≤50 | 50＜T≤80 | T≤8 | 8＜T≤20 | 20＜T≤50 | 50＜T≤80 | T≤8 | 8＜T≤20 | 20＜T≤50 | 50＜T≤80 | |||||||
| l | t | l | t | l | t | l | t | |||||||||||
| 25CrMo4 | 1.7218 | 700 | 600 | 450 | 400 | 900 | 800 | 700 | 650 | 12 | 10 | 14 | 12 | 15 | 13 | 16 | 14 | |
Why Choose GNEE
GNEE has ISO9001-2000 quality management system and ISO14001 environmental protection system.
It is exported to more than 60 countries and regions including Russia, Canada, India, Brazil, Southeast Asia, etc.
The company currently has more than 30,000 tons of inventory, with many varieties for you to choose from! GB, ASTM, JIS, DIN and other standards can be implemented.
If you would like to know more about our company or our products, please feel free to contact us.
FAQ
Q.How do we trust your company?
A. We specialist in steel business for many years, authenticated by SGS,welcome to visit our factory.
Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
Q:Can you supply the free sample?
A:We can supply the free sample,but the sample express freight should be by you.
.jpg)
.jpg)
.jpg)
