Learn about ASTM A320 L7 bolts for low-temperature service. This standard specifies alloy-steel bolting materials for valves, flanges, and fittings, requiring quenching & tempering and mandatory Charpy impact testing to prevent brittle fracture in critical environments like LNG facilities.

ASTM A335 P11 alloy steel pipe follows ASTM standards, with chromium molybdenum alloy as the core, and has high temperature strength, oxidation resistance, and creep resistance; ASTM A234 WP11 butt weld fittings are of the same material as steel pipes, with compatible welding and good sealing, including elbows/tees/reducers. ​

Win customer trust with efficiency and professionalism. In early October 2025, we successfully signed a procurement contract for UNS S31254 stub end with a foreign client. The successful signing of the order is attributed to professional and efficient communication.

As a professional supplier of steel pipes and fittings for foreign trade export, ASTM A106B steel pipes are an important steel pipe product of our company. Recently, we received an order for carbon steel pipes from an old customer in Singapore. The products are all ASTM A106B steel pipes, with specific specifications of 8 inches, 12 inches, and 16 inches. The wall thickness is uniformly selected from the commonly used STD (standard) and XS (Extra Strong) specifications in the industry.

As a professional flange supplier, our long-standing customer trust reflects our product quality and service strength. In late September, we successfully secured an order from a long-term Singaporean client for JIS B2220 flanges. Built on years of reliable cooperation and our expertise in Japanese standard flanges, the entire process—from order confirmation to production and delivery—was executed smoothly and efficiently.

As a professional supplier of steel tubes and fittings, duplex stainless steel products have always been one of our important businesses. Our old customer in Singapore is an important trading partner that we have been cooperating with for many years.In the order email sent to us in mid September, the customer clearly stated: "This time we need to purchase 2205 duplex stainless steel tubes and fittings. The project time is tight, and we must deliver on time and the product quality standards must not be lowered. We trust you with this order.

EN10253-2 European standard carbon steel butt weld elbows, as our core product, have gained international recognition for their stable quality and professional service. In early September, a Macedonian customer contacted us through our official website. We provided professional answers on product technical details and application scenarios, quickly building trust. The customer immediately sent us an inquiry.

When receiving a repurchase request from a Vietnamese old customer, the salesperson promptly grasped the customer's demand: this batch of ASME B16.11 forged threaded coupling is a supplementary procurement for a project under construction, and they are reducing coupling with very urgent delivery requirements. And it also includes two materials: ASTM A105 carbon steel and SS304 stainless steel. ASME B16.11 reducing threaded coupling are basically out of stock, so it is necessary to urgently allocate raw materials for production. Considering the trust foundation of the customer's past cooperation and the potential losses caused by project suspension, our company has decided to immediately arrange production for the customer. By the time the customer's payment is received, the product will have been basically completed.

During a construction project for a Singaporean client, there was a sudden shortage of ASTM A312 TP316L stainless steel pipe. The customer urgently requested assistance from us, hoping that we could find stock and ship quickly. As a key pipeline material for the project, the customer's requirements are clear and urgent: firstly, TP316L stainless steel pipe that comply with ASTM A312 standards need to be provided to ensure that the material and mechanical properties meet the standards; Secondly, the steel pipe needs to be cut to a fixed length according to the installation dimensions on the construction site; The third requirement is to control the quality throughout the entire process and use protective packaging to avoid damage during transportation.

In August 2025, we received an order from an old customer in Europe for Alloy 625 steel flange, which are required to comply with the EN1092-1 flange production standard. The product types include Type01 plate flat welding flanges and Type05 blind flange.

ASTM A182 F316L WN flange is one of our main products. Excellent corrosion resistance can effectively avoid the risk of leakage in pipeline systems caused by corrosion; Stable mechanical performance can maintain structural stability in harsh environments, laying a solid foundation for the long-term safe operation of the system.Not long ago, the company ordered a batch of ASME B16.47 Series B large-diameter weld neck flanges from a long-term customer in Shanghai, all of which are made of ASTM A182 F316L material.

Shanghai Zhicheng Pipe Fitting Manufacturing Co., Ltd. can produce threaded pipe fittings in various forms such as NPT, PT, BSPP, BSPT, BSPF, etc; The types of threaded pipe fittings we operate include threaded elbows, threaded tees, threaded tees, threaded pipe clamps, threaded pipe caps, threaded unions, threaded short joints, reducing short joints, hexagonal external threads, threaded pipe plugs, threaded plugs, etc. If you have a procurement need for high-pressure forged pipe fittings, please feel free to contact us at any time for customized solutions and quotations.

Our regular customer in Singapore needs to purchase a batch of seamless carbon steel bend with a material of API 5L B CL2, radius of 750mm, angles of 90 degrees and 45 degrees, and dimensions of DN200 SCH40. After receiving this order, we relied on our accurate understanding of customer needs and professional service capabilities to quickly advance order fulfillment, from parameter confirmation to detail optimization, ensuring timely delivery of the order.

On June 25th, we received an urgent order from an AAA rated customer in Singapore regarding ASME B16.47 carbon steel flange. This batch of flanges is not only related to the promotion of key projects for customers, but also a test of our ability to respond to urgent orders.

This product is a core item in our long-term cooperation with an Italian customer. The customer highly recognizes our professional capabilities and quality control standards, forming a stable cooperation model of regular procurement. As N06022 belongs to special alloy materials, it not only has high raw material costs, but the customer also has extremely strict requirements on product quality and production processes. Therefore, from order receipt to final delivery, we have always promoted full-process management with the goal of "zero defects".

In July of this year, our regular customer from Singapore sent us a procurement request for P265GH seamless steel pipe. The customer requests that this order of steel pipes strictly comply with the EN10216-2 European standard, and requires a material list and inspection report before shipment.

At the beginning of this year, a regular customer from Kazakhstan received a project for the renovation of high-pressure pipelines. Due to previous pleasant cooperation, the customer gave priority to Shanghai Zhucheng, a supplier from China. So they sent us a procurement request for hot-dip galvanized steel pipes. In the initial communication, the client clearly stated two core requirements: first, all steel pipe ports need to be threaded, and second, the packaging needs to achieve the effect of protecting the threaded ports and hot-dip galvanized layer.

Recently, Shanghai Zhucheng Pipe Fitting Manufacturing Co., Ltd. received another order for SCH XS carbon steel pipes from our old customer in Singapore. With years of accumulated cooperation and professional service capabilities, we immediately arranged production after receiving the order.

From the perspective of delivery time, the customer urgently needs to use this blind flanges. Although the quantity of this order is small, we are well aware of the urgency of this order of Class300 blind flange. Therefore, we immediately arranged production upon receiving the order, and the procurement department tracked the production progress throughout the process and provided timely feedback to the customer to ensure delivery within the deadline.

In July 2025, we received an order from an old customer in China for ASTM A182 stainless steel flange, which included two high-quality stainless steel materials, ASTM A182 F316 and F51, and required compliance with the ASME B16.5 American standard for flange production.