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Navgraha Steel & Engg Company is a supplier and manufacturing firm of ASTM A 312 TP 321 Pipes. ASTM A 312 TP 321H Pipes are Titanium Stabilized grade pipes. These are considered for excellent inter-granular corrosion resistance at higher temperatures, and it is recommended in lower thermal applications due to increased toughness. Our pipes are purely corrosion-resistant and feature as long-lasting and excellent service. These are high strength, durable pipes widely used in several applications, particularly longer exposure to temperature in systems.
ASTM A 312 TP 321 is excellent grade showing features like:
• Moderate Temperature Capacity
• Improved Strength
ASTM A 312 TP 321 pipes are superior with corrosion resistance properties than other grades, whereas it gives more thermal capability with greater heat resistance. Chromium Carbide precipitation at upper temperatures is eliminated and prevents inter-granular corrosion. These pipes are strengthened with higher stress rupture and creep resistance. It is only recommended to cold hardening. In addition, these pipes are easy to weld using standard techniques. It is also preferred due to:
• Higher Resistance to Acid Oxidization
• Extended Stress Rupture Strength
• Pressure sustainable
• Large Heat Resistance
ASTM A 312 TP 321H Pipes enhanced with various qualities of 321 grade by increasing carbon in the material. Thus it gives greater creep prevention with admirable improvement in strength.
ASTM A 312 TP 321 Pipes are efficiently working in organic acids when exposed to moderate temperatures. These pipes influences in low temperature working in phosphoric acids, whereas elevated temperatures can be applied for dilute solution processes.
ASTM A 312 TP 321/321H Pipes are recommended in:
• Chemicals and Pharmaceuticals
• Food Process
• Oil and Gas
• Waste process
• Marine equipments
ASTM A 312 TP 321/321H Pipes are formed in large specifications assortment including standard sizes, diameters, and wall thicknesses. We offer hex, square, rectangle, and round pipes with an excellent finish. It is obtained with one or both ends threaded, beveled, and plain structured. Seamless, welded pipes are commonly used, whereas other types are demanded in several applications. Our pipes are obtained at reasonable costs and formed with techniques including annealing and cold drawn, and more.
|Specifications||ASTM A312, A358 / ASME SA312, SA358|
|Dimensional specification||ANSI/ASME B36.19M, ANSI/ASME B36.10M|
|Seamless / Welded Pipe Size||1 / 8″ NB – 24″ NB|
|EFW Pipe Size||6″ NB – 48″ NB|
|Outside Diameter||6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock|
|Manufacturing Shapes||Hydraulic, Round, Rectangle, Square, Hex, Honed|
|Manufacturing Techniques||Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded|
|Schedule Thickness Range||SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS|
|Pipes End Types||Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)|
|Delivery Condition of Pipe||Annealed and Pickled, Polished, Bright Annealed, Cold Drawn|
|Surface Finish||No.1, No.4, No.8 Mirror Finish, 2B|
|Value Added Services||Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing|
|SS 321||1.4541||S32100||SUS 321||X6CrNiTi18-10|
|SS 321H||1.4878||S32109||SUS 321H||X12CrNiTi18-9|
|SS 321||0.08 max||2.0 max||1.0 max||0.045 max||0.030 max||17.00 – 19.00||0.10 max||9.00 – 12.00||5(C+N) – 0.70 max|
|SS 321H||0.04 – 0.10||2.0 max||1.0 max||0.045 max||0.030 max||17.00 – 19.00||0.10 max||9.00 – 12.00||4(C+N) – 0.70 max|
|Grade||Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|SS 321 / 321H||8.0 g/cm3||1457 °C (2650 °F)||Psi – 75000 , MPa – 515||Psi – 30000 , MPa – 205||35 %|
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