1.0570 S355J2+N

 

S355J2+N steel is one of general steel grade. It is used for Structural components and general purposes.
 

Grade, Class,

Type, Symbol or Name

Steel

Number

UNS Number Heat Treatment Section Thickness Yield Strength, min Tensile Strength, min

 

 Elongation, min, % Other
t, mm t, in. N/mm2 or MPa ksi N/mm2 or MPa ksi
S355J2G3 1.0570 — N < 3 — 355 — 510-680 — — —
3 ≤ t ≤ 16 — 355 — 490-630 — 20 27 J at -20°C
16 < t ≤ 40 — 345 — 20
40 < t ≤ 63 — 335 — 19
63 < t ≤ 80 — 325 — 18
80 < t ≤ 100 — 315 — 18
100 < t ≤ 150 — 295 — 470-630 — 18
150 < t ≤ 200 — 285 — 450-630 — 17 23 J at -20°C

 

Composition:

 

%C %Si %Mn %P %S %Cr %Mo %Ni  % Others
0.10-0.22 0,550 0.10-1.60 0,025 0,015 0.3 0.08 0.30 Cr+Mo+Ni ≤ 0,0.48

 
Hot working:

Forging temperature range: 1100-850℃
 
Note: Heat to 1200 ℃. Do not forge below 850.
 
Heat treatment:

Soft annealing ℃ HB 30-soft annealed Normalizing ℃ Hardening temperature for quenching in Water ℃ Hardening temperature for quenching in Oil ℃ Tempering temperature ℃
1100-850 650-700 223 850-880 820-850 830-860

 

Main application:

Structural components for general mech. Engineering
 
Shape of product:

Round, flat, step shape, ring, disc, shaft, other shape depend on customer needs