ALLOY STEEL T91 SEAMLESS TUBES


ALLOY STEEL T91 SEAMLESS TUBES

ALLOY STEEL T91 SEAMLESS TUBES MANUFACTURER & SUPPLIER

Alloy Steel T91 Seamless Tubes are made for specific applications, where the temperature of the content supplied through the tubes, may constantly change from space to space. To achieve the perceived hardness, either cold rolling or heat rolling methods are deployed while finishing the tubes. Traditional methods of post processing the tubes is carried out throughout the process. In instances where the tubes are heat treated, after reaching a certain designated peak point in temperature they are dipped in cold water to strengthen the core and the surface structure of the tubes. This is followed by the testing phase of the Seamless tubes, which includes attaching weights for determining their elasticity quotient. Finally, another set of extreme tests ruled by the International Regulation Standards are carried on the tubes to guarantee maximum durability. 

Alloy steel Seamless tubes as the name suggest, do not have a seam in the centre of their structure like the Alloy Steel F11 Flange. Seamless tubes of this types are made using Alloy steel billets, wherein the inner hollow structure is carved using fabrication machinery. 

Specification :
GRADE                     :    A213 TP T11, T12, T22, T91, T9, T5, T1

Size (Seamless):6.35mm o.d to 101.60mm o.d
Standards:ASTM A213, ASME SA213
Equivalent Standards:EN 10216-2, ASTM A335, GOST 550-75
Material:T91, K90901
Equivalent Material:X10CrMoVNb9-1, 1.4903, P91, K91560
Type:Seamless
Wall Thickness:3mm to 15mm.
Length:max 1~12m



Form:Round
Length:Single Random, Double Random & Cut Length.
Tubing End:Plain End, Beveled End, Threaded.


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