ASTM A333/A333M Seamless and Welded Steel Pipe
Seamless and Welded Steel Pipe for Low-Temperature Service.
Detailed Description:
Seamless and Welded Steel Pipe for Low-Temperature Service.
Standards:ASTM A333/333M(ASME SA333/SA333M)
Size(mm):
Out Dimensions:21.3~914.4mm(SMLS) 457.2-142..4mm(Welded)
Wall Thickness:2.77~59mm(SMLS) 7.92-50.80mm(Welded)
Length:Fixed length(6m,9m,12m) or normal length(5~12m)
Application:
Seamless and Welded Steel Pipe for Low-Temperature Service.
Steel Grade:
Grade1, Grade2, Grade3, Grade6, Grade9
Packing:
Beveled/Black painting/Plastic caps/In bundle/Steel strip/Wooden protection
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, Nodestructive Test, Hydrostatic Test.
Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating,Shot Blasting.
Certificates:
API ISO CPD EU
Chemical Compositions(%)
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | |
| Grade.1 | ≤0.30 | / | 0.40-1.06 | ≤0.025 | ≤0.025 | / | / | / | / | / |
| Grade.6 | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.025 | ≤0.025 | / | / | / | / | / |
| Grade.3 | ≤0.19 | 0.18-0.37 | 0.31-0.64 | ≤0.025 | ≤0.025 | / | / | / | 3.18-3.82 | / |
| Grade.9 | ≤0.20 | / | 0.40-1.06 | ≤0.025 | ≤0.025 | / | / | 0.75-1.25 | 1.60-2.24 | / |
Mechanical Properties
| Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| Grade.1 | ≥205 | ≥380 | 35 |
| Grade.6 | ≥240 | ≥415 | 30 |
| Grade.3 | ≥240 | ≥450 | 30 |
| Grade.9 | ≥435 | ≥315 | 28 |
Strike Temperature Condition
| Grade | The lowest temperature for strike test | |
| °F | °C | |
| Gr.1 | -50 | -45 |
| Gr.6 | -50 | -45 |
| Gr.3 | -150 | -100 |
| Gr.9 | -100 | -75 |
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.
