
ASTM A269 / ASME SA269 ERW Stainless Steel Welded Tube In Oil And
Gas Industry
1 . OD ( Outer Diameter ) : 5.80mm to 2032mm ( 0.23 inch to 80 inch )
2 . WT ( Wall Thickness ) : 0.25mm to 28mm ( 0.01 inch to 1.125 inch )
3 . Length : According to customer's requirement
4 . Standards : ASTM A312; ASTM A269; ASTM A789; ASTM A790 ect
5 . Process Method : ERW, EFW etc
Chemical Composition :
Material | ASTM A269 Chemical Composition % Max | ||||||||||
C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti | |
TP304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^. | ^ |
TP304L | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-12.0 | ^ | ^ | ^ | ^ |
TP316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
TP316L | 0.035 D | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-15.0 | 2.00-3.00 | ^ | ^ | ^ |
TP321 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | ^ | ^ | ^ | 5C -0.70 |
TP347 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | 10C -1.10 | ^ |
Application :
a) For fluid and gas transport
b) Structure and machining
c) Heat exchanger pipes etc
Advantages :
a) Superior surface finish
b) Better mechanical property
c) More precise dimension
d) Perfect inspection method and inspection equipment
Jiaxing MT stainless steel co.,ltd.
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Who we are?
MTSCO established in 2006, during many years’ development, now becomes a large and professional industrial piping system provider, serving customers from more than 100 countries and regions.