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DIN 17177-79 electrically resitance steel pipe

DIN 17177-79 electrically resitance steel pipe

This Standard applies to electric resistance or induction welded tubes 1) manufactured from the heat-resisting selection o steels2) used in part for temperatures up to 530℃ and at simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit.

Description

1.Chemical composition %


GradeMfg.proceddchemical composition


CSiMnP(max)S(max)NiCrMoothers
St37.8E0.170.10-0.350.40-0.800.0400.040----
St42.8E0.210.10-0.350.40-1.200.0400.040----
15Mo3E0.12-0.200.10-0.350.40-0.800.0350.035--0.25-0.35
-

 2.Mechanical property



Grade

Materia

 number 

Tensile test 

MPa

Remarks

(similar to JIS)

possibility 

temperature

Min Yield pointTensile Strength

St37.8

1.0315235360-480(STPG370)

St42.81.0498255410-530(STPT410,STB410)
15Mo31.5415275450-600-


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