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We have compiled a stainless steel standard comparison chart to help you clearly compare standards across different countries, enabling you to make more informed decisions when selecting materials.

In diverse application scenarios and operating conditions, the selection of piping materials is critical to structural strength and project durability. Black iron pipes and black steel pipes are two of the most common types of piping, widely used in various engineering projects. Despite their similar names, they differ in material composition, intended applications, and performance characteristics. This article will explore the definitions and properties of black iron pipes and black steel pipes, providing a comprehensive comparison between them.

In the global steel pipe industry, China has emerged as the world’s largest producer and exporter of steel pipes, leveraging consistent quality, competitive pricing, and extensive product offerings. According to statistics, China’s annual steel pipe production exceeded 1 billion tons by 2024. Chinese steel pipe manufacturers not only meet domestic demand but also supply premium products to international markets. This article highlights China’s top five leading steel pipe manufacturers and suppliers, focusing on their technological advantages, production capacity, and product ranges.

We have successfully fulfilled a 1,000-ton order for seamless steel pipes from our South Korean client. The customer has expressed high praise for our product quality and delivery speed, further solidifying our cooperative relationship.

On the occasion of the National Day and Mid-Autumn Festival double holiday, Yantai Xinbaoshang expressed gratitude and care for its employees through heartwarming activities and special benefits, uniting the team to jointly wish our nation prosperity and a bright future.

In steel pipe specifications and dimensions, Schedule (SCH) denotes the pipe wall thickness, serving as a key factor in determining the pipe’s pressure rating and strength. A higher Schedule number indicates thicker pipe walls and greater pressure-bearing capacity.

We successfully secured a 500-ton order for seamless steel pipes with our Turkmenistan client. Through efficient land transportation, the shipment was delivered smoothly. The client highly praised our product quality and service, further solidifying our long-term cooperative relationship.

On September 3, 2025, Xinbaoshang Company hosted a warm birthday celebration for Jessica, showcasing our “people-oriented” corporate culture. We wish her both professional and personal success in the coming year!

On September 3, 2025, the military parade marking the 80th anniversary of the victory in the War of Resistance Against Japanese Aggression, held at Tiananmen Square in Beijing, not only highlighted the significant contributions made by the Chinese people in the fight against fascism but also profoundly embodied the spirit of the nation, inspiring us to remember history and look toward the future.

This document contains weight tables for API 5L/ASTM SCH 40 and SCH 80 pipes, enabling you to locate the corresponding pipe weight for each specification. We also provide weight calculation formulas, fundamental parameters, and material density coefficients. By studying these resources, you can easily calculate the weight of pipes made from various materials such as carbon steel, stainless steel, and PVC.

The United States plans to impose a 50% tariff on Indian goods starting August 27. This move stems from India’s imports of Russian oil and may have far-reaching implications for U.S.-India trade relations and the global economy.

In July 2025, we signed a 700-ton seamless steel pipe order with our Algerian client. Following successful delivery, the order received high praise from the client, solidifying our long-term cooperative relationship.

On August 1, 2025, Yantai Xinbaoshang welcomed distinguished guests from afar—partners from Thailand. Mr. Zhang, CEO of Yantai Xinbaoshang, attended this exchange meeting.

On July 24, 2025, Mr. Gandhi, CEO of India’s RE Company, visited our company. Mr. Zhang, CEO of Yantai Xinbaoshang Company, attended this exchange meeting. In a friendly and harmonious atmosphere, guided by principles of mutual respect and mutual benefit, both parties engaged in in-depth discussions on future cooperation directions in areas including OCTG, onshore and offshore pipelines, high-grade steel pipe fittings and flanges, and high-pressure service valves. They also reached a preliminary strategic cooperation agreement regarding an upcoming offshore platform project in the Indian Ocean.We firmly believe this meeting will serve as an opportunity to deepen cooperation, achieve mutual growth, and jointly create a brilliant future!

From July 2 to 4, 2025, the Bangkok International Piping, Pump & Valve & Water Treatment Technology Exhibition grandly opened at the Queen Sirikit National Convention Center (QSNCC) in Bangkok, Thailand. As one of Southeast Asia’s most specialized industry exhibitions, this edition attracted over 500 exhibitors from more than 30 countries, showcasing the latest innovations in pipeline systems, fluid control, water treatment technologies, and digital solutions. The event also featured multiple technical forums and seminars, providing a platform for in-depth exchange among global industry professionals.

The Indonesia Petroleum and Gas Exhibition (IPA) serves as a platform for global industry professionals to exchange ideas and foster collaboration. At the event, we showcase our high-quality steel pipes and pipe fittings, actively engage with both new and existing clients, explore mutual growth opportunities, and drive the industry’s success and advancement.

A delegation of Mexican clients visited our company for an on-site inspection on May 16, 2025. Ms. Zhao, General Manager of Yantai Xinbaoshang Company, attended the exchange meeting.