HI steel under German DIN 17155 standard belongs to pressure vessel steel.
HI steel
HI steel is ideally suited for elevated temperature service, is commonly found in the oil & gas, petrochemical and chemical industry. This European standard DIN 17155 grade steel has replaced the BS1501 and DIN17155 specification.
HI steel is characterized by a minimum yield strength of 185 - 265 MPa and by good weldability, so HI steel is mainly used to for manufacturing boilers, pressure vessels and pipes transporting hot liquids.
HI steel Comparison of steel grades:
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HI DIN17155 Material#.1.0111 |
Comparison of steel grades |
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EN10120 |
P245NB |
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NFA36-211 |
BS1 |
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UNI7355 |
FeE24KR |
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BS5045 |
Type A |
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UNE36129 |
AE 235 KR |
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JIS G3116 |
SG 255 |
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Tags: A 516 Gr60 steel, St52-3N steel, A 572 Gr. 50 steel
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