Leading Carbon Steel 168开奖官网开奖号码查询奥5结果记录 线上查询极准计划 澳洲历史记录查询五分钟幸运号码中奖结果 Pipe Manufacturers In China Since 1998
TUSPIPE is a China Carbon steel pipe manufacturer with a 500,000 MT annual production capacity.
TUSPIPE-Carbon STEEL PIPE MANUFACTURER
Tianjin United Steel Piping Co., Ltd. (TUSPIPE) is a trusted Chinese supplier of carbon steel pipes, established in 1998. We have three advanced production lines with an annual capacity of 500,000 tons, providing high-quality product solutions to global customers. Our main products include: Oil and gas casing and tubing, Line pipes and pipeline pipes, Fire protection pipes, Structural pipes and pile pipes, Heat exchanger tubes, slotted pipes, drive shaft tubes, axle tubes, compressor tubes, idler tubes, and solar tracker torque tubes.
All our carbon steel pipes strictly comply with international standards, including API SPEC 5CT, API SPEC 5L, ASTM A53, EN10217, EN10219, EN10255, JIS G 3444, JIS G 3452, AS/NZS 1163, AS/NZS 1074, GOST 10704/10705/20295, and more. We provide durable, standards-compliant carbon steel pipe solutions. Contact us today for premium carbon steel pipes tailored to your needs.
Large Inventory
TUSPIPE holds around 20,000 MT of black steel pipe and raw materials in stock, so we can deliver quickly when you have an urgent request.
Professional Expertise
A team of 12 professional, experienced engineers at TUSPIPE makes the production process more efficient and functional.
Rich Experience
Our factory was established in 1998, and we have accumulated rich experience in steel pipe production and engineering projects.
Easy to Communicate
You speak to the factory directly, so your question can be answered quickly with a more professional approach. Also, multilingual services are available.
USAGE SCENARIOS
Our carbon steel pipes are used in a wide range of industries, as you can see, whether it’s construction, oil and gas transport, or power and piling jobs. We only make quality carbon steel pipe to help you run your business better.
PRODUCTION 168体彩网；澳洲5直播计划+历史走势图记录 专业体育赛事直播 幸运历史记录 澳洲结果开奖 澳洲辛运5直播计划 LINE & EQUIPMENT
Uncoiling
Accumulating
Forming
High-Frequency Welding
Dual Heat Treatment
Air & Water Cooling
Sizing
End Processing
Pipe Machining
Varnishing / Coating
Packaging
Container Stuffing
QUALITY CONTROL
Supplier Management
Tianjin United Steel Piping Co., Ltd (TUSPIPE) conducts strict audits of suppliers, verifying their production qualifications and capacity to ensure that the raw material quality control procedures meet requirements. In addition, the company evaluates suppliers annually and assesses past performance in quality control, document control, delivery times, and other factors to ensure suppliers meet our product quality requirements.
Before Production
After getting the hot-rolled coil, the quality assurance team sends an inspector. They check for cracks, pits, and other surface defects. These issues could impact later production. Inspection staff not only conduct visual checks but also take samples from the coil plate. They do this for chemical composition analysis and mechanical testing, following standard requirements. Then they compare the results with the material quality certificate issued by the coil plate supplier. If the analysis results do not meet the standard requirements, the raw material will be returned to the supplier for replacement.
During Production
To ensure our carbon steel pipes meet the required standards, quality engineers, on-site inspection personnel, and front-line production workers need to make great efforts. In the production process, we will carry out the following inspections and tests on the steel pipe according to the standard requirements:
Tensile Test
That measures the force required to pull on a pipe. By analyzing these results, engineers can determine whether a material is suitable for its intended application.
Metallographic Test
Metallographic tests are an important means of experimental research on metal materials.
Charpy Impact Test
It is generally a test method used to determine the safety, reliability, and effectiveness of a product when subjected to external impacts or actions.
Chemical Component Analysis
For spectral analysis, the emission spectrum or absorption spectrum can be used. This method has the advantage of being very sensitive and fast.
Drop-Weight Tear Test
This experiment uses a drop hammer at a specified height to break the sample in the supported beam state and evaluate the relevant performance results.
Flattening Test
The flattening test is a method used to assess the deformation performance of a metal tube flattened to a specified size and to detect defects.
Coating, Marking, and Packaging
After the welded steel pipe is produced, Tianjin United Steel Piping Co., Ltd (TUSPIPE) applies a surface coating to the carbon steel pipe, according to the customer’s requirements, to prevent corrosion. Standard coated with black paint, varnish, and anti-rust oil, these materials can provide temporary anti-rust protection during transportation. If FBE, PE, or PP coatings are needed, the pipes will be transported and finished in a coating mill.
We apply a bar code to the inner wall of each steel pipe, and each bar code is unique to each pipe end. The bar code is equivalent to the ID card for each unit of steel pipe, recording the heat number, tube number, steel grade, and production information for each pipe. After completing the coating process, production workers scan the bar code to retrieve the corresponding product information and mark the pipes in accordance with standard and contract requirements to ensure product traceability. Generally speaking, product packaging plays a crucial role in protecting products during transportation, so the company is also very concerned about this process. Based on the size, coating, and other processing information of the steel pipe, the company usually uses end caps, PVC wrap, nylon slings, galvanized strips, fumigated wood, and other materials to protect the steel pipe. At the same time, the engineers can generate a customized packing scheme for customers who need more robust, stable, and easy-to-unload packaging solutions.
Before Shipment
168中国体育赛事新动态 澳洲幸运五(体彩168)新奖号码,结果查询官方 点击安全入口，立即查询“幸运5的澳洲结果体彩” 我们致力于提供市面上最好用的查奖工具 一键获取澳洲5全面体彩结果+下载全国统一168历史记录 Before delivery to customers, the inspector rechecks the appearance, packaging, markings, labels, tags, and other specifications of the black steel pipe to ensure customers do not receive any defective products. After passing inspection, the quality assurance department of Tianjin United Steel Piping Co., Ltd (TUSPIPE) issues a mill test certificate for each batch of shipped products.
OUR CERTIFICATIONS
OUR CLIENTS
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