MBM Tubes is one of the renowned manufacturer, exporter, stockist, stock holder and supplier of a qualitative range of Stainless Steel 321 / 321H Boiler Tubes. SS 321 Boiler Tubes (also referred as UNS S32100 and WNR 1.4541) is most commonly used in plants with re-circulated processed water such as pulp and paper mills, ink manufacturing equipment, chemical processing equipment, and pollution control systems. SS 321H Boiler Tubes (also known as UNS S32109 and WNR 1.4878) is a stabilized stainless steel which offers as its main advantage as an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation.
Designed as per the national and international standard quality of raw materials, our SS Boiler Tubes are available in various and also in custom-made sizes and shapes at affordable rates to our esteemed clients.
Range : 6.35 mm OD upto 152.4 mm OD in 0.6 TO 10 mm thickness.
Form : Round, Square, Rectangular, Coil, U Tube, Pan Cake.
Wall Thickness : 0.50 mm TO 6.0 mm
End : Plain End, Bevelled End
Length : Single Random, Double Random & Required Length
Specifications : ASTM A / ASME SA213 A312
Types : Seamless / ERW / Welded
|Ni||09 - 12||09 - 12|
|Cr||17 – 19||17 - 19|
|C||0.08 max||0.04 - 0.08|
|Si||1 max||0.75 max|
|Mn||2 max||2 max|
|P||0.040 max||0.045 max|
|S||0.030 max||0.03 max|
|Tensile Strength (MPa) min||515||515|
|Yield Strength 0.2% Proof (MPa) min||205||205|
|Elongation (% in 50mm) min||40||40|
|Rockwell B (HR B) max||95||95|
|Brinell (HB) max||217||217|
ASTM A213 TP 321/321H Stainless Steel Boiler Tubes Packing
ASTM A312 TP 321/321H Stainless Steel Boiler Pipes Packing
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