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Steel s355jr: Chemical composition and Chemical composition

Steel s355jr: Chemical composition and Chemical composition

Steel grade S355JR is used to manufacture hot-rolled flat and long products, which are subsequently used when producing steel building structures.

Chemical composition of ladle sample of steel S355JR in accordance with EN 10025-2, %

С Si Mn P S N Cu
≤ 0,24 ≤ 0.55 ≤ 1.60 ≤ 0.035 ≤ 0.035 ≤ 0.012 ≤ 0.55

Mechanical properties of steel S355JR

Nominal thickness, mm

 

Minimum yield strength, MPa

 

Strength limit, MPa

 

<3 355 510-680
≥3 ≤ 16 355 470-630
> 16 ≤ 40 345 470-630
> 40 ≤ 63 335 470-630
> 63 ≤ 80 325 470-630
> 80 ≤ 100 315 470-630
> 100 ≤ 150 295 450-600
> 150 ≤ 200 285/td> 450-600
> 200 ≤ 250 275 450-600
> 250 ≤ 400 265 450-600

S355JR steel has a wide range of applications in construction, metallurgy, heavy and transport engineering, machine tool, power engineering and bridge building industries. Various profiles and metal structures, parts and elements of ground and underground equipment are made from steel S355JR.

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