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Tianjin Sanon Steel Pipe Co., Ltd. is a stockist. Our stock factory is in Cangzhou City, Hebei Province. Our main sources of goods are boiler pipes, and the representative materials are ASTM A335 P5/P11/P91/P92, ASME SA-106/SA-106M GR.B, GB/T 3087-2008 10#/20#. The representative materials of pipeline pipes are API 5L, API 5CT, the representative materials of petroleum cracking pipes GB/T 9948 are 15MoG/12CrMoVG. GB/T 6479-2013 represents the material 10#/20#, heat exchanger tubes SA179/SA210/SA192, etc., mechanical tubes GB/T 8162 represent the material 10#/20#/Q345/42CrMo, EN10210 represents the material S355JOH/S355J2H, gas cylinder tubes GB1 8248, represent the material 34CrMo4/30CrMo.
Carbon steel pipe procurement and quotation
Carbon steel pipe is a high-frequency product consulted and purchased by customers. Common specifications include ASTM A106 GRB, outer diameter 60-273mm, wall thickness SCH40-SCH80. Before purchasing, it is necessary to sort out the details of customer needs and ask suppliers for prices. The high-quality suppliers we cooperate with include Baosteel, Hengyang, TPCO, Anhui Tianda, Luli, Fengbao, etc., and we give priority to spot inventory to ensure a quick response to customer needs.
If the supplier provides a price for a bare tube, additional processing is required, involving freight, processing fees and inspection fees (according to customer requirements). Basic testing includes outer diameter, wall thickness, length measurement, and photo or video confirmation. Third-party inspection can be arranged in cooperation, and all steel pipe photos are archived for reference.
Alloy steel pipe procurement and characteristics
The procurement process of alloy steel pipes is similar to that of carbon steel pipes, but the material performance is significantly different. Carbon steel is mainly composed of iron and carbon, with low cost and suitable for mass production, but it lacks toughness and is prone to brittle cracking at low temperatures. Alloy steel adds elements such as chromium, nickel, and molybdenum to improve corrosion resistance, high temperature strength, and wear resistance. For example:
ASTM A335 P5, P9, P11, P22, P91
Gas cylinder tube GB/T 18248-2021 34CrMo4, 37Mn
We have 20,000 tons of alloy tubes in stock all year round to meet diverse needs.
Key points for purchasing oil pipes and pipelines
Oil pipes and pipelines are mostly used for engineering orders or replenishment. Small tonnage is preferred for spot purchase, and large orders require review and scheduling. Engineering orders usually specify brands and bidding requirements. We can provide qualification documents to support bidding. Successful cases cover India, Nepal, Vietnam, Bahrain, Peru, Nigeria and other countries, with mature experience in engineering order operations.
Summary
Seamless steel pipe procurement needs to accurately match customer needs. Carbon steel pipes, alloy pipes, oil pipes and line pipes each have their own characteristics. We rely on high-quality suppliers and abundant inventory to ensure efficient delivery, while supporting customized processing and inspection services to provide reliable steel pipe solutions for global projects.
Post time: Jul-25-2025
