1.0577/S355J2

NON-ALLOY LOW CARBON STEEL

NORM: PN-EN 10025

APPLICATION:

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

TECHNOLOGICAL INFORMATION:

Fully killed steel; weldable steel

SEMI-FINISHED PRODUCTS:

Fully killed steel; weldable steel

CHEMICAL COMPOSITION:

CMnSiPSCrNiMoVNbTiAlCu
Max 0,20Max 1,60Max 0,55Max 0,025Max 0,025-------Max 0,55

MECHANICAL PROPERTIES:

Effect of the cross-section on mechanical properties
Ultimate tensile strength
Thickness, mm < 3 > 3–100 > 100–150 > 150–250
Rm, MPa 510–680 470–630 450–600 450–600
Yield stress
Thickness, mm ≤ 16 > 16–40 > 40–63 > 63–80 > 80–100 > 100–150 > 150–200 > 200–250
Re, MPa ≥ 355 ≥ 345 ≥ 335 ≥ 325 ≥ 315 ≥ 295 ≥ 285 ≥ 275
Elongation
Thickness, mm ≤ 1 > 1–1.5 > 1.5–2 > 2–2.5 > 2.5–3
A80mm, %, longitudinal samples ≥ 14 ≥ 15 ≥ 16 ≥ 17 ≥ 18
A80mm, %, transverse samples ≥ 12 ≥ 13 ≥ 14 ≥ 15 ≥ 16
Thickness, mm 3-40 > 40–63 > 63–100 > 100–150 > 150–250
A, %, longitudinal samples ≥ 22 ≥ 21 ≥ 20 ≥ 18 ≥17
A, %, transverse samples ≥ 20 ≥ 19 ≥ 18 ≥ 18 ≥ 17
Impact test at -20°C
Thickness, mm > 10–400

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KV, J

Technological treatment processes:

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

INTERNATIONAL STEEL GRADES:

ISO CEN Russia
~E355-D ISO 630:1995 S355J2G3 EN 10025:1993 ~17GIS GOST 19281 – 89
US Japan China
~A 706 ASTM A 706 – 00 ~SM 490 A JIS G 3106 1995 ~16Mn GB T 8164 – 93