YUHONG GROUP CO.,LIMITED
Model No.: Stainless Steel Pipe
Application: Oil Pipe, Boiler Pipe, Chemical Fertilizer Pipe
Section Shape: Round
Usage: Pipeline Transport, Oil&Gas Well Drilling, Chemical Industry, Thermal Equipment, Mining
Technique: Cold Drawn
Material: Stainless Steel
Packaging: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Productivity: 1000 Tons Per Month
Place of Origin: China, USA, Korea, UE
Certificate: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Stainless Steel Seamless Pipe ASTM A312 TP321, 1.4541 , 12X18H10T .
Pickled and Annealed.
Stainless Steel 321 is a basic austenitic 18/8 steel (Grade 304) stabilised by Titanium (321) addition. SS 321 is used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850°C. SS 321 is the grade of choice for applications in the temperature range of up to about 900°C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion. SS 321H is a modification of SS 321 with a higher carbon content, to provide improved high temperature strength.
|Stainless Steel SS 321 / 321H|
|AISI||321 / 321H|
|UNS||S32100 / S32109|
|Werkstoff Nr.||1.4541 / 1.4878|
|Melting Point||1454 °C (2650 °F)|
|Tensile Strength||Psi – 75000 , MPa – 515|
|Yield Strength (0.2%Offset)||Psi – 30000 , MPa – 205|
|SS 321||SS 321H|
|Ni||9 – 12||9 – 12|
|Cr||17 – 19||17 – 19|
|C||0.08 max||0.04 – 0.10|
|Mn||2 max||2 max|
|Si||0.75 max||0.75 max|
|S||0.03 max||0.03 max|
|P||0.045 max||0.045 max|
|Ti|| 5xC min |
| 4xC min |
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