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What Is P235TR1/2
Jul 03, 2019

P235TR1 Non-alloy steel tube for pressure purposes


Steel Designation :  


Name

天天捕鱼Grade A  P235TR1/2

天天捕鱼GradeB    P265TR1/2 

天天捕鱼Standard 

ASTM/ASME A53   1.0254/1.255

ASTM/ASME A53   1.0258/1.0259


天天捕鱼This data sheet applies for seamless and welded tubes of non-alloy steelwith specified elevated temperature properties.


Application


天天捕鱼This tubes are used for pipe lines beyond the DGRL TR1" and pipe lines of class I to III TR2". Their application is usual up to 

天天捕鱼300 °C.The permitted pressure should not exceed 160 bar. 


Delivery condition N=normalizing incl. normalizing forming

a For wall thicknesses larger than 60 mm the mechanical properties have to be agreed.

天天捕鱼b applies only for testing class TR2


天天捕鱼1" Normalizing: Holding time 1 minute per mm plate thickness, minimum 30 minutes

2" Stress relievinganneal: Holding time 1-2 minutes per mm plate thickness, minimum 30 minutes

Processing Welding

Standard welding processes for these steel gradesare:

TIG-welding  Arc welding E"

 MAG-welding massive wire Submerged arc welding  SAW"

MAG- welding cored wire



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