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| مكان المنشأ: | الصين |
| اسم العلامة التجارية: | YUHONG |
| إصدار الشهادات: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| رقم الموديل: | ASTM A312 TP316L أنابيب الفولاذ المقاوم للصدأ غير الملحومة |
| الحد الأدنى لكمية: | 500 كلغ |
|---|---|
| تفاصيل التغليف: | علبة خشب رقائقي ، حزمة |
| وقت التسليم: | 7 أيام |
| شروط الدفع: | الاعتماد المستندي، تي/تي |
| اسم المنتج: | أنابيب الفولاذ المقاوم للصدأ غير الملحومة | معيار: | ASTM A312/ ASME SA312 |
|---|---|---|---|
| مادة: | TP316L / UNS S31603 / EN 1.4404 | التطوير التنظيمي: | 1/2 "إلى 48" |
| سمك الجدار: | الجدول 5s لجدولة xxs | طول: | واحد عشوائي ، مزدوج عشوائي وقطع الطول. |
| نهاية الأنابيب: | نهاية عادي، نهاية مشطوفة | ||
| إبراز: | ASTM A312 TP316L stainless steel pipe,UNS S31603 seamless pipe for industry,EN 1.4404 stainless steel seamless pipe |
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ASTM A312 TP316L / UNS S31603 / EN 1.4404 Stainless Steel Seamless Pipe
YUHONG Group started business with stainless steel seamless pipes. Over decades of dedicated development, we have evolved from a manufacturer into a comprehensive supplier covering the entire chain from production to export. Our brand is built on a solid reputation for quality, reliability, and integrity. Today, our business spans a wide spectrum of industrial sectors, and we supply an extensive inventory of commonly used material grades—including austenitic, duplex, super‑austenitic, and nickel alloys—to meet diverse market demands. With rigorous quality control, global logistics capabilities, and decades of hands‑on experience, YUHONG Group stands as a trusted partner for ASTM A312 TP316L seamless pipes and all your corrosion‑resistant piping solutions.
Equivalent Grades of ASTM A312 TP316L Stainless Steel Seamless Pipe
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Chemical Composition of ASTM A312 TP316L Stainless Steel Seamless Pipes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 - 18.00 | 2.00 - 3.00 | 10.00 - 14.00 | 68.89 min |
Manufacturing & Testing (Mandatory per ASTM) NDT
| Test | Requirement |
|---|---|
| Hydrostatic Test | Each pipe is pressure-tested (or NDT-electrically tested per E213) to minimum required burst pressure. |
| Flattening Test | For welded pipes (though applicable as a supplementary test for seamless). |
| Flange Test | Ensures ductility. |
| Chemical Analysis | Per Heat (Ladle) and Check (Product) analysis. |
| PMI (Positive Material Identification) | Recommended for lot verification to confirm UNS S31603. |
Key Industrial Properties (Why TP316L?)
The addition of Molybdenum (2-3%) distinguishes TP316L from TP304L, offering:
Superior Corrosion Resistance: Excellent resistance to pitting and crevice corrosion in chloride-containing environments (e.g., marine atmospheres, brackish water).
Resistance to Reducing Acids: Performs well against sulfuric, phosphoric, and acetic acids, especially in moderate temperatures.
Intergranular Corrosion Resistance: The ultra-low carbon content prevents chromium carbide precipitation at grain boundaries during welding, eliminating the need for post-weld annealing for corrosion integrity.
High Temperature Scaling: Resists oxidation up to 870°C (1,600°F) in intermittent service and 925°C (1,700°F) in continuous service (though creep strength declines above 500°C).
Applications
Chemical & Petrochemical: Process piping for chlorides, amines, and hot organic acids.
Oil & Gas: Downhole tubing, sour service lines (with NACE restrictions regarding H₂S, though generally acceptable up to limits).
Pharmaceutical & Biotechnology: High-purity steam and WFI (Water for Injection) systems (often with specific surface finish requirements).
Food & Beverage: Dairy processing, brewing, and sanitary piping.
Marine Engineering: Heat exchangers and condenser tubing in coastal plants.
Power Generation: Condenser and feedwater heater tubes (where chloride stress corrosion is a concern).
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