Professional manufacturer and exporter of seamless steel pipes, carbon steel pipes, line pipes, boiler tubes and casing & tubing.https://xbangsupply.com/enhttps://xbangsupply.com/en/articles/api-5l-psl2-requirements-guide/https://xbangsupply.com/en/articles/api-5l-psl2-requirements-guide/Everything buyers need to know about API 5L PSL2 — Charpy V-notch impact testing, non-destructive testing, mill test certificates, chemistry limits and the PSL1 vs PSL2 differences.Sun, 16 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/api-5l-x42-x70-grade-comparison/https://xbangsupply.com/en/articles/api-5l-x42-x70-grade-comparison/A complete comparison of API 5L line pipe grades X42, X52, X60 and X70 — chemical composition, yield and tensile strength, toughness, weldability, cost and how to pick the right grade.Sun, 16 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/astm-a106-grade-selection-guide/https://xbangsupply.com/en/articles/astm-a106-grade-selection-guide/How to choose between ASTM A106 Grades A, B and C — mechanical properties, chemistry, temperature limits, availability and when to step up to alloy or low-temperature grades.Sun, 16 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/api-5l-psl2-requirements-guide/https://xbangsupply.com/zh/articles/api-5l-psl2-requirements-guide/API 5L PSL2 完整解读——夏比冲击试验、无损检测、材质证明书（MTR）、化学成分限制及 PSL1 与 PSL2 的差异。Sun, 16 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/api-5l-x42-x70-grade-comparison/https://xbangsupply.com/zh/articles/api-5l-x42-x70-grade-comparison/API 5L 管线管 X42、X52、X60、X70 完整对比——化学成分、屈服/抗拉强度、冲击韧性、可焊性、价格差异及选级方法。Sun, 16 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/astm-a106-grade-selection-guide/https://xbangsupply.com/zh/articles/astm-a106-grade-selection-guide/ASTM A106 无缝碳钢管 A、B、C 三个牌号如何选择——力学性能、化学成分、温度使用范围、供货与加工差异及选型清单。Sun, 16 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/import-steel-pipes-from-china-guide/https://xbangsupply.com/en/articles/import-steel-pipes-from-china-guide/A complete step-by-step guide to importing seamless steel pipes from China — specifications, supplier vetting, quoting and payment, production and third-party inspection, shipping, and customs clearance.Sat, 15 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/steel-pipe-glossary/https://xbangsupply.com/en/articles/steel-pipe-glossary/A plain-English glossary of 40+ essential seamless steel pipe terms — manufacturing, dimensions, standards, testing, and trade — so you can specify and order with confidence.Sat, 15 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/steel-pipe-industry-trends-2026/https://xbangsupply.com/en/articles/steel-pipe-industry-trends-2026/Key trends shaping the global seamless steel pipe market through 2030 — supply and demand shifts, low-carbon steelmaking and carbon tariffs, digital and AI-powered procurement, and how buyers should plan.Sat, 15 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/steel-pipe-standards-comparison/https://xbangsupply.com/en/articles/steel-pipe-standards-comparison/How ASTM, ASME, API, EN, ISO and Chinese GB standards compare across carbon, line pipe, boiler, alloy, stainless and precision seamless pipes — plus grade equivalents and how to choose the right one.Sat, 15 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/import-steel-pipes-from-china-guide/https://xbangsupply.com/zh/articles/import-steel-pipes-from-china-guide/从中国进口无缝钢管的完整步骤指南——规格确认、供应商筛选、询价与付款、生产与第三方检验、海运物流与清关单据。Sat, 15 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/steel-pipe-glossary/https://xbangsupply.com/zh/articles/steel-pipe-glossary/无缝钢管采购常用术语大全——制造工艺、尺寸、标准与认证、力学性能、检验、贸易等方面 40 余个核心术语，帮你准确下单、读懂报价单与材质证书。Sat, 15 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/steel-pipe-industry-trends-2026/https://xbangsupply.com/zh/articles/steel-pipe-industry-trends-2026/2026 至 2030 年全球无缝钢管市场的主要趋势——供需转移、低碳炼钢与碳关税、数字化与 AI 采购方式的变化，以及采购商应如何规划。Sat, 15 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/steel-pipe-standards-comparison/https://xbangsupply.com/zh/articles/steel-pipe-standards-comparison/ASTM、ASME、API、EN、ISO 与中国 GB 标准在碳钢管、管线管、锅炉管、合金管、不锈钢管和精密管上的对比——含钢级近似对应表与选择方法。Sat, 15 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/astm-a106-carbon-steel-pipe-guide/https://xbangsupply.com/en/articles/astm-a106-carbon-steel-pipe-guide/A complete guide to ASTM A106 seamless carbon steel pipe — Grades A, B and C, chemical composition, mechanical properties, temperature limits and typical applications for buyers.Fri, 14 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/astm-a106-carbon-steel-pipe-guide/https://xbangsupply.com/zh/articles/astm-a106-carbon-steel-pipe-guide/ASTM A106 无缝碳钢管完整指南——A/B/C 三个牌号的区别、化学成分、力学性能、温度使用范围以及采购要点。Fri, 14 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/steel-pipe-mill-test-certificate-guide/https://xbangsupply.com/en/articles/steel-pipe-mill-test-certificate-guide/Understand steel pipe mill test certificates (MTC) — EN 10204 2.1, 2.2, 3.1 and 3.2 types, how to read a certificate, and what to verify before payment.Thu, 13 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/steel-pipe-mill-test-certificate-guide/https://xbangsupply.com/zh/articles/steel-pipe-mill-test-certificate-guide/看懂钢管材质证明书（MTC）——EN 10204 2.1、2.2、3.1、3.2 四种类型区别，如何阅读证书，付款前应核验哪些关键信息。Thu, 13 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/boiler-heat-exchanger-tube-selection/https://xbangsupply.com/en/articles/boiler-heat-exchanger-tube-selection/How to specify boiler and heat exchanger tubes — common materials (SA192, SA210, SA213, T11, T22), sizes, tolerances and testing requirements for power plants and refineries.Wed, 12 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/boiler-heat-exchanger-tube-selection/https://xbangsupply.com/zh/articles/boiler-heat-exchanger-tube-selection/如何正确选型和采购锅炉管、换热器管——常用材质（SA192、SA210、SA213、T11、T22）、规格公差与检验要求，电厂和炼厂项目适用。Wed, 12 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/hydraulic-cylinder-tube-guide/https://xbangsupply.com/en/articles/hydraulic-cylinder-tube-guide/What to specify when buying precision tubes for hydraulic cylinders — E355/ST52 grades, dimensional tolerances, surface finish, and machining/honing requirements.Tue, 11 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/hydraulic-cylinder-tube-guide/https://xbangsupply.com/zh/articles/hydraulic-cylinder-tube-guide/采购液压缸筒用精密钢管需要明确哪些参数——E355/ST52 等常用牌号、尺寸公差、表面粗糙度以及珩磨/刮削加工要求。Tue, 11 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/steel-pipe-buying-faq/https://xbangsupply.com/en/articles/steel-pipe-buying-faq/Answers to the most common questions when buying steel pipe from a supplier — how prices are set, minimum order quantities, production lead times, payment terms and shipping.Mon, 10 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/steel-pipe-weight-calculation/https://xbangsupply.com/en/articles/steel-pipe-weight-calculation/Learn the exact formula to calculate steel pipe weight per meter with worked examples — plus a quick reference chart and common pitfalls to avoid when ordering.Mon, 10 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/steel-pipe-buying-faq/https://xbangsupply.com/zh/articles/steel-pipe-buying-faq/采购钢管时最常见的问题解答——价格如何形成、最小起订量、生产周期、付款方式以及运输安排，帮助新买家少走弯路。Mon, 10 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/steel-pipe-weight-calculation/https://xbangsupply.com/zh/articles/steel-pipe-weight-calculation/钢管每米重量精确计算方法与实例——含快速参考表及订货时容易踩的坑。Mon, 10 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/astm-a333-low-temperature-pipe/https://xbangsupply.com/en/articles/astm-a333-low-temperature-pipe/Everything export buyers need to know about ASTM A333 low-temperature carbon steel pipe — grade differences, impact testing, applications and ordering tips.Mon, 03 Aug 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/astm-a333-low-temperature-pipe/https://xbangsupply.com/zh/articles/astm-a333-low-temperature-pipe/ASTM A333 低温碳素无缝钢管采购须知——钢级区别、低温冲击试验、应用场景与订货要点。Mon, 03 Aug 2026 00:00:00 GMThttps://xbangsupply.com/en/articles/astm-a312-stainless-pipe-guide/https://xbangsupply.com/en/articles/astm-a312-stainless-pipe-guide/How to choose between ASTM A312 TP304 and TP316 stainless steel seamless pipe — composition, corrosion resistance, applications and procurement tips for export buyers.Tue, 28 Jul 2026 00:00:00 GMThttps://xbangsupply.com/zh/articles/astm-a312-stainless-pipe-guide/https://xbangsupply.com/zh/articles/astm-a312-stainless-pipe-guide/ASTM A312 TP304 与 TP316 不锈钢无缝钢管如何选择——成分对比、耐蚀性能、应用场景与出口采购要点。Tue, 28 Jul 2026 00:00:00 GMT