Black Color Ferritic Seamless Steel Pipe Asme Sa213 T22 T91

AStm A335 Round Ferritic Alloy Steel Tubes Asme Sa213 T22 T91 Api 5l Astm A53 Grade B Seamless Steel Pipe

ASTM A335 Steel Ferritic Alloy Tubes Pipe for High-Temperature and Boilers
ASTM A335 Seamless ferritic and alloy steel pipe for high temperature service

Applications:

for Boilers,Superheaters,Heat-Exchangers
Size range:

O.D.:6-420mm

W.T.:1-50mm

L: according to customer requirement

Each length of pipe passed the hydrostatic test and non-destructive examination method .

Other tests :Chemical Composition Tests ,Mechanical Tests(Tensile strength,Yield Strength,Elongation,Flaring ,Flattening,Bending ,Hardness,Impact Test), Surface ,Dimension Test.No-destructive Test,Hydrostatic Test.

Mark on pipe: Heat no,Order No,Standard ,Material,Dimensions as per requests.

Surface treatment:

Oil-dip,Varnish,Passivation,Phosphating,Shot blasting.

Heat treatment:

A/N+T

N+T/Q+T

N+T

Our company mainly specializes in manufacturing the seamless steel pipes of which the diameter is from 20mm to 518mm and thickness is from 3mm to 30mm in different materials and length.In our company,the main producing drafts of steel tube are cold drawn,hot rolled and hot processing.The process is guided by senior engineers and the quality is ring upon ring tested by engineers.The pass percent of the products is more than99.8%.The quality of products is in the leading position in the industry.Our company regards "survive through expansion"as our strategic thinking.

Our company promises high product quality and perfect after-sales service.We hope to get your support and to cooperate with more customers for mutual development and benefit. warmly welcome potential buyers to visit our company and hope to create a long business relation with you.