We offer DIN 17155 HII steel plate/sheet for boiler steels:
1.DIN 17155 HII Equivalent grades:
EN 10028-2 P265GH ,NFA 36-205 A 42 CP,UNI 5869 Fe 410-1KW,BS 1501 161 Gr.400/164 Gr.400/224 Gr. 400,UNE 36087 A 42 RCI,ASTM A 414 Gr. E / A 516 Gr. 60
2.DIN 17155 HII Chemical composition:
C : <= 0.2 Si:<= 0.4 Mn:0.8-1.4 S :<=0.015 N:<= 0.012 Cu:<= 0.30 AL:<= 0.02
P :<=0.025 Cr:<=0.30 Ni:<=0.30 Mo:<=0.08 Nb : <= 0.2 Ti:<= 0.3. V:<= 0.3
3.DIN 17155 HII Mechanical properties:
Tensile Strength σb(MPa) :
410-530(thickness under 100mm);
400-530(thickness between 100-150mm);
390-530(thickness between 150-250mm)
Yield Strength σ0.2 :
>=265(thickness under 16mm);
>=255(thickness between 16-40 mm);
>=245(thickness between 40-60mm);
>=215(thickness between 60-100mm);
>=200(thickness between 100-150mm);
>=185(thickness between 150-250mm)
Elongation δ5(%) : >= 22
Impact Energy (KV J) :
>=27(under -20 degree );
>=34(under 0 degree );
>=40(under 20 degree )
4. HII steel plate/sheet is one mainly of Steel for gas cylinders and gas vessels.DIN 17155 HII steel grade is for heat resistant plates.
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