Standard | Class | Grade | C | Si | Mn | P | S | V | Nb | Ti |
max | max | max | max | max | max | max | max | |||
API 5L | PSL1 | L245 B | 0.28 | - | 1.20 | 0.030 | 0.030 | - | - | - |
L290 X42 | 0.28 | - | 1.30 | 0.030 | 0.030 | - | - | - | ||
L320 X46 | 0.28 | - | 1.40 | 0.030 | 0.030 | - | - | - | ||
L360 X52 | 0.28 | - | 1.40 | 0.030 | 0.030 | - | - | - | ||
L390 X56 | 0.28 | - | 1.40 | 0.030 | 0.030 | - | - | - | ||
L415 X60 | 0.28 | - | 1.40 | 0.030 | 0.030 | - | - | - | ||
L450 X65 | 0.28 | - | 1.40 | 0.030 | 0.030 | - | - | - | ||
L485 X70 | 0.28 | - | 1.40 | 0.030 | 0.030 | - | - | - | ||
PSL2 | L245N BN | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | - | - | 0.04 | |
L290N X42N | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | ||
L320N X46N | 0.24 | 0.40 | 1.40 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | ||
L360N X52N | 0.24 | 0.40 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 | ||
L390N X56N | 0.24 | 0.40 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 | ||
L415N X60N | 0.24 | 0.40 | 1.40 | 0.025 | 0.015 | 0.10- | 0.05 | 0.04 |
Mechanical Properties
Standard | Class | Grade | Min/Max | Yield strength (Mpa) | Tensile Strength (Mpa) | Elongation(%) | Y.S./T.S.(%) |
API 5L | PSL1 | L245B | min | 245 | 415 | b | - |
L290X42 | min | 290 | 415 | b | - | ||
L320X46 | min | 320 | 435 | b | - | ||
L360X52 | min | 360 | 460 | b | - | ||
L390X56 | min | 390 | 490 | b | - | ||
L415X60 | min | 415 | 520 | b | - | ||
L450X65 | min | 450 | 535 | b | - | ||
L485X70 | min | 485 | 570 | b | - | ||
PSL2 | L245B | min | 245 | 415 | b | 0.93 | |
max | 450 | 760 | b | - | |||
L290X42 | min | 290 | 415 | b | 0.93 | ||
max | 495 | 760 | b | - | |||
L320X46 | min | 320 | 435 | b | 0.93 | ||
max | 525 | 760 | b | - | |||
L360X52 | min | 360 | 760 | b | 0.93 | ||
max | 530 | 760 | b | - | |||
L390X56 | min | 390 | 490 | b | 0.93 | ||
max | 545 | 760 | b | - | |||
L415X60 | min | 415 | 520 | b | 0.93 | ||
max | 565 | 760 | b | - | |||
L450X65 | min | 450 | 535 | b | 0.93 | ||
max | 600 | 760 | b | - | |||
L485X70 | min | 485 | 570 | b | 0.93 | ||
max | 635 | 760 | b | - | |||
L555X80 | min | 555 | 625 | b | 0.93 | ||
max | 705 | 825 | b | - |
Cangzhou Qiancheng Steel-Pipe Co., Ltd. is located in Yanshan County of Hebei Province. As one of the largest scale enterprises in North China, our company specializes in producing steel pipes and pipe fittings. We are only 200km away from Tianjin City, enjoying convenient transportation.
Our company covers an area of 80,000 square meters and has total assets of 90 million RMB. There are 360 staff members, including 80 technicians. We have established an effective and complete quality control and assurance system. In 2003, our company attained ISO9001 Quality System certification. We control product quality in accordance with API 5L and API 5CT standards.
Our company is equipped with sophisticated manufacturing and testing equipment, including X-ray detectors, ultrasonic wave detectors, hydrostatic testers, tension testers, metallurgical analyzers and a physical & chemical lab. These equipment and technology guarantee that production and testing processes comply with relevant standards. Our products can meet customers' requirements doubtlessly.
Our main products include seamless steel pipes, hot-finished pipes, stainless steel pipes,elbow,reducer, flange,cap,TEE and supporting tubing. They sell well not only in thermal power, chemical engineering and electric power markets in China, but also in the USA, Italy, Germany, Malaysia, Thailand, South Korea, Kuwait, Czech, Indonesia, Hong Kong, India, Iran, Singapore and other countries and regions.
With powerful financial strength, advanced managerial concept, excellent marketing service, strict quality control system and integrated marketing team, we would like to develop together with you hand in hand. Adhering to the operation principle of "faith first and clients foremost", we always supply high quality products, complete after-sales service and favorable prices. We sincerely hope to establish long-term cooperation with you on the basis of mutual benefits, reciprocity and common development.
Our company covers an area of 80,000 square meters and has total assets of 90 million RMB. There are 360 staff members, including 80 technicians. We have established an effective and complete quality control and assurance system. In 2003, our company attained ISO9001 Quality System certification. We control product quality in accordance with API 5L and API 5CT standards.
Our company is equipped with sophisticated manufacturing and testing equipment, including X-ray detectors, ultrasonic wave detectors, hydrostatic testers, tension testers, metallurgical analyzers and a physical & chemical lab. These equipment and technology guarantee that production and testing processes comply with relevant standards. Our products can meet customers' requirements doubtlessly.
Our main products include seamless steel pipes, hot-finished pipes, stainless steel pipes,elbow,reducer, flange,cap,TEE and supporting tubing. They sell well not only in thermal power, chemical engineering and electric power markets in China, but also in the USA, Italy, Germany, Malaysia, Thailand, South Korea, Kuwait, Czech, Indonesia, Hong Kong, India, Iran, Singapore and other countries and regions.
With powerful financial strength, advanced managerial concept, excellent marketing service, strict quality control system and integrated marketing team, we would like to develop together with you hand in hand. Adhering to the operation principle of "faith first and clients foremost", we always supply high quality products, complete after-sales service and favorable prices. We sincerely hope to establish long-term cooperation with you on the basis of mutual benefits, reciprocity and common development.
