Persisting in "High quality, Prompt Delivery, Aggressive Price", now we have established long-term cooperation with consumers from equally overseas and domestically and get new and old clients' large comments for industrial pipe, line pipe, Seamless Line Pipe, Seamless Pipe, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products have been exported to more than 15 countries in the world and have been widely used by customers.
There is comparison for GB/T9711 and API5L Include Steel Grade
| t≤25mm PSL1 chemical Element | ||||||||
| Steel Grade | chemical component | |||||||
| C max |
Mn max |
p min max |
S max |
V max |
Nb max |
Ti max |
||
| Seamless Pipe | ||||||||
| L175/A25 | 0.21 | 0.6 | / | 0.03 | 0.03 | / | / | / |
| L175P/A25P | 0.21 | 0.6 | 0.045 | 0.08 | 0.03 | / | / | / |
| L210/A | 0.22 | 0.9 | / | 0.03 | 0.03 | / | / | / |
| L245/B | 0.28 | 1.2 | / | 0.03 | 0.03 | |||
| L290/X42 | 0.28 | 1.3 | / | 0.03 | 0.03 | |||
| L320/X46 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
| L360/X52 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
| L390/X56 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
| L415/X60 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
| L450/X65 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
| L485/X70 | 0.28 | 1.4 | / | 0.03 | 0.03 | |||
| Welded Pipe | ||||||||
| L175/A25 | 0.21 | 0.6 | / | 0.03 | 0.03 | / | / | / |
| L175P/A25P | 0.21 | 0.6 | 0.045 | 0.08 | 0.03 | / | / | / |
| L210/A | 0.22 | 0.9 | / | 0.03 | 0.03 | / | / | / |
| L245/B | 0.26 | 1.2 | / | 0.03 | 0.03 | |||
| L290/X42 | 0.26 | 1.3 | / | 0.03 | 0.03 | |||
| L320/X46 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
| L360/X52 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
| L390/X56 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
| L415/X60 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
| L450/X65 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
| L485/X70 | 0.26 | 1.4 | / | 0.03 | 0.03 | |||
| t≤25mm PSL2 chemical Element | ||||||||||
| Steel Grade | chemical component | |||||||||
| C max |
Si max |
Mn max |
p max |
S max |
V max |
Nb max |
Ti max |
Ce max |
||
| Seamless Pipe | ||||||||||
| L245R/BR | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.04 | 0.43 | 0.25 | ||
| L290R/X42R | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | 0.43 | 0.25 |
| L245N/BN | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.04 | 0.43 | 0.25 | ||
| L290N/X42N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | 0.43 | 0.25 |
| L320N/X46N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | 0.43 | 0.25 |
| L360N/X52N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.1 | 0.05 | 0.04 | 0.43 | 0.25 |
| L390N/X56N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.1 | 0.05 | 0.04 | 0.43 | 0.25 |
| L415N/X60N | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.1 | 0.05 | 0.04 | 0.43 | 0.25 |