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BS 3059 Steel Boiler And Superheater Tubes

BS 3059 Steel Boiler And Superheater Tubes

low tensile carbon steel tubes without specitied elevated temperature properties. requirements for plain end, seamless and welded tubes, not exceeding 127mm outside diameter and not exceeding 12.5mm tickness. for use in boilers and super heaters.

Description

Chemical Requirements


Grade

Mfg.

process

chemical composition %
C maxSi maxMnP maxS maxNiCrMoothers

HFS

320

S

0.16-

0.30

-0.70

0.0500.050----

CFS

320

E0.16

ERW

320

S0.0170.35

0.40

-0.80

0.0450.045----

CEW

320

E

Mechanical Properties

GradeTensile Test MPa 

Remarks

 (similar to JIS)


Possibility 

temperature


Min Yield pointTensile strength
HFS320195325-480STB35

SRM

 SEAMLESS


CFS320SEAMLESS
ERW320215360-500STB35-
CEW320ERW


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