The Relevant Family Steel Grades of P355NH:  

P275NH, P275NL1, P275NL2, P355N, P355NH, P355NL1, [TJC STEEL]P355NL2, P460NH, P460NL1, P460NL2.  

 

Steel Grade Levels:  

Room Temperature Quality Class: P355N  

High Temperature Quality Grade: P355NH  

Low Temperature Quality Grade: P355NL1, P460NL1  

Special Low Temperature Quality Grade: [TJC STEEL]P355NL2, P460NL2  

 

Tensile Properties  

P355N, P355NH, P355NL1, P355NL2 thickness 8-260mm  

Tensile strength RM630-450mpa, yield strength: 355-295mpa, elongation after fracture 21-22%  

 

Evaluation of Hydrogen Induced Crack Resistance  

The evaluation test for hydrogen cracking resistance of steel plate products shall be carried out according to EN10229, and A test solution[TJC STEEL] (PH 3) or B test solution (PH 5) and corresponding acceptance criteria can be selected.  

 

HIC Test Acceptance Grade:  

Acceptance grade: Grade I, Grade II, grade III  

CLR% crack length ratio, CTR% crack [TJC STEEL]thickness ratio, CSR% crack sensitivity ratio.  

 

Application Countries:  

P355NH is used in Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, [TJC STEEL]Luxembourg, Malta, The Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland, the United Kingdom.