Carbon steel plates are intended primarily for service in welded pressure vessels where improved notch toughness is important.

Origin: Europe USA South Korea
Grade: 55 60 65 70

Brands

C

Mn(Heat analysis)

P

S

Si(Heat analysis)

Gr55

≤0.26

0.6-1.2

≤0.035

≤0.035

0.15-0.4

Gr60

≤0.27

0.6-1.2

≤0.035

≤0.035

0.15-0.4

Gr65

≤0.29

0.85-1.2

≤0.035

≤0.035

0.15-0.4

Gr70

≤0.31

0.85-1.2

≤0.035

≤0.035

0.15-0.4

Tensile Requirements

Brands

Yield strength σs≥(MPa)

Tensile strength σb ≥(MPa)

Elongation in 2 in.(50mm)min,%

Gr55

≥205

380-515

≥27

Gr60

≥220

415-550

≥25

Gr65

≥240

450-585

≥23

Gr70

≥260

485-620

≥21