We offer API 5L X80 steel plate/pipes as large diameter pipes:
1.API 5L X80 equivalent grades:  EN10208-2  L555MB
2.API 5L X80 chemical composition:  
Si(max):0.26 C(max):0.08 Mn(max):1.75 S(max):0.0005 P(max):0.011 AL(max):0.03    Mo(max):0.27 Ni(max):0.22 Nb(max):0.07
3.API 5L X80 mechanical  properties:
Tensile Strength (MPa) :625-700
Yield Strength (MPa): min 555
Permissible yield point ratio: max 0.9
Elongation(%): min 20         
4.API 5L X80 steel plate/pipes is one mainly of Steel for large diameter pipes,API-X80 steel with good low temperature toughness was developed and the buckling behavior of X80 steel plate/pipe was investigated through large scale deformation tester.
If you have any problem, please be free to contact us:
Tel:0086-371-86151827       
Fax:0086-371-86011881
bb@bebonchina.com
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