duplex stainless steel tubing nace mr0175
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أنابيب الدقة عالية القوة من الفولاذ المقاوم للصدأ ASTM A789 مقاوم للتآكل
ASTM A789 / A789M covers the requirements for seamless and welded duplex stainless steel tubes for general corrosion-resistant service, with particular emphasis on resistance to stress corrosion cracking. This product combines the excellent toughness of austenitic stainless steel with the high strength of ferritic stainless steel, while offering superior resistance to chloride-induced pitting and crevice corrosion. This product covers common grades including UNS S31803,
UNS S31803 الأنابيب غير الملحومة ASTM A789 4 "جدول 40 أنابيب الفولاذ المقاوم للصدأ
UNS S31803 duplex stainless steel pipe is a widely used duplex grade that offers a balanced mix of good strength, excellent corrosion resistance, and cost-effectiveness. It is the original standard duplex stainless steel, commonly specified in ASTM A790 and ASTM A789 for both seamless and welded pipe applications.With a dual-phase microstructure (austenite + ferrite), UNS S31803 provides approximately twice the yield strength of 304 or 316L austenitic stainless steels, while
أنابيب الفولاذ المقاومة للتآكل السوبر المزدوجة 6.0mm - 1829mm OD ASTM A790 A789 A928
Corrosion resistant duplex steel pipe is specifically engineered for service in aggressive environments where standard stainless steels such as 304 and 316 are prone to failure. The unique two-phase microstructure (austenite + ferrite) combined with elevated levels of chromium, molybdenum, and nitrogen provides exceptional resistance to a wide range of corrosive attack mechanisms. Our duplex steel pipes offer outstanding protection against pitting, crevice corrosion, stress
316 316L 317L 904L SS أنابيب المبادل الحراري عالية المقاومة للتآكل الأحجام المخصصة
High corrosion resistance tubing is specifically engineered for aggressive environments where standard stainless steel grades may fail. Manufactured from premium alloys, this tubing offers superior resistance to pitting, crevice corrosion, stress corrosion cracking (SCC), and general oxidation. It is ideal for chemical processing, marine, oil & gas, and other demanding applications.Key FeaturesExceptional resistance to pitting and crevice corrosionHigh resistance to stress
ASTM A789 أنابيب الدقة SS غير الملحومة للخطوط الأداة لمبادلات الحرارة
ASTM A789 2205 أنبوب مزدوج غير ملحوم مقاوم للتآكل لخطوط المعالجة الهيدروليكية
ضغط عالي SS محول الحرارة أنبوب بناء سلس سمك الجدار المخصص
High pressure heat exchanger tube is specifically designed to withstand extreme internal and external pressures while maintaining efficient heat transfer performance. Manufactured from high-strength stainless steel and nickel alloys, these tubes are essential for applications where both pressure resistance and thermal efficiency are critical. Available in seamless construction to eliminate weld line weaknesses.Product SpecificationsParameterDetailsApplicable StandardsASTM
