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ASTM A249 TP304N/TP304LN welded stainless steel pipe
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ASTM A249 TP304N/TP304LN welded stainless steel pipe

ASTM A249 TP304N/TP304LN welded stainless steel pipe

 ASTM A249 TP304N/TP304LN welded stainless steel pipe specification for welded austenitic steel boiler,superheater,heat-exchanger,and condenser tubes.

ASTM A249 TP304N/TP304LN chemical composition

Grade C Mn P S Si Cr
TP304N 0.08 2.00 0.045 0.030 1.00 18.0-20.0
TP304LN 0.03 2.00 0.045 0.030 1.00 18.0-20.0

ASTM A249 TP304N/TP304LN tensile and hardness requirements

Grade UNS Tensile strength min,ksi mpa Yield strength min,ksi mpa Elongation in 2in.or 50mm min% Rockwell hardness number,max
TP304N S30451 80[550] 35[240] 35 B90
TP304LN S30453 75[515] 30[205] 35 B90

ASTM A249 TP304N/TP304LN welded stainless steel pipe size in a lot heat treated by the continuous process

Size of tube Size of lot
2in.[50.8mm] and over in outside Diameter and 0.200in.[5.1mm] and over in wall thickness Not more than 50 tubes
Less than 2in.[50.8mm] but over 1in. [25.4mm] in outside diameter or over 1in. [25.4mm] in outside diameter and under 0.200 in [5.1mm] in wall thickness Not more than 75 tubes
1 in.[25.4] or less in outside diameter Not more than 125 tubes

If you need ASTM A249 TP304N/TP304LN welded stainless steel pipe supplier and ASTM A249 TP304N/TP304LN welded stainless steel pipe deep processing,welcome to contact us!

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