Shanghai Chengbo's metal pipes comply with ASME/ASTM standards. Our 12Cr1MoVG boiler tubes (580°C rated) serve Huaneng Group's supercritical power stations, while 15CrMoG cracking tubes meet Shell's global supplier criteria. P91 alloy pipes (≥620MPa tensile strength) with -50℃ impact toughness of 80J are deployed in Sino-Russian gas pipeline booster stations. Nuclear-grade Gr6 materials (ASME SB168) support CGN's "Hualong One" reactors. All products carry DNV GL and PED 2014/68/EU certifications for energy and chemical applications.
Military-Grade Quality Control
• Material Selection: 316L stainless pipes use Taiyuan Steel's ultra-low carbon base metal, passing ASTM A262 intergranular corrosion tests • Precision Manufacturing: SA106C seamless tubes maintain ±0.15mm tolerance with ≥85μm galvanized coating • Rigorous Testing: Mandatory spectrographic analysis and ultrasonic inspection, 60MPa hydrostatic testing for 20G pressure tubes
Custom Solutions & Global Reach
Specialized in non-standard products including 3PE-coated marine pipes and medical-grade epoxy composite tubes. With 5,000-ton inventories across three Chinese hubs and localized processing centers in ASEAN/Central Asia, we guarantee 99.6% on-time delivery for Belt & Road projects, including 48-hour expedited shipping.
