NON-ALLOY STRUCTURAL STEEL FOR HOT-ROLLED PRODUCTS

NORM: PN-EN 10025-2

Anmeldung:

Steel susceptible to the construction steel structures, welding, riveting and bolted structures working at the ambient temperature

TECHNOLOGISCHE INFORMATIONEN::

Fully killed steel; weldable steel

Zwischenprodukte:

Fully killed steel; weldable steel

Chemische Zusammensetzung:

CMnSiPSCrNiMoVNbTiAlCu
Max 0,17Max 1,40-Max 0,025Max 0,025-------Max 0,55

Mechanische Eigenschaften:

Effect of the cross-section on mechanical properties
Ultimate tensile strength
Thickness, mm < 3 > 3-100 > 100-150 > 150-250
Rm, MPa 360 – 510 360 – 510 350 – 500 340 – 490
Yield stress
Thickness, mm ≤ 16 > 16-40 > 40-63 > 63-80 > 80-100 > 100-150 > 150-200 > 200-250
Re, MPa ≥ 235 ≥ 225 ≥ 215 ≥ 195 ≥ 185 ≥ 175
Elongation
Thickness, mm ≤ 1 > 1-1,5 > 1,5-2 > 2-2,5 > 2,5-3
A80mm, %, longitudinal samples ≥ 17 ≥ 18 ≥ 19 ≥ 20 ≥ 21
A80mm, %, transverse samples ≥ 15 ≥ 16 ≥ 17 ≥ 18 ≥ 19
Thickness, mm 3-40 > 40-63 > 63-100 > 100-150 > 150-250
A, %, longitudinal samples ≥ 26 ≥ 25 ≥ 24 ≥ 22 ≥ 21
A, %, transverse samples ≥ 24 ≥ 23 ≥ 22 ≥ 22 ≥ 21
Impact test at -20°C
Thickness, mm > 10-150 > 150-200
KV, J ≥ 27 ≥ 23

Technologische Verarbeitung:

Technological treatment processes Possible application Temperature, °C
Hot forming Forging + (1150 – 800)
Rolling + (1150 – 800)
Treatment Heat treatment Quenching
Tempering
Precipitation strengthening Supersaturation
Ageing
Annealing Normalising + (890 – 920)
Soft annealing + < 580
Thermochemical treatment Carburising
Other

INTERNATIONALE STAHLSORTEN:

ISO EN Russia
~E235-D ISO 630:1995 S235J2G3 EN 10025 1993 ~St3sp GOST 380 – 94
US Japan China
~A 515 ASTM A 515 – 92 ~STKM 12 A JIS G 3445 1988 ~Q 235 A GB 700 – 88