BS 4360 WR 50 A steel Chemical composition

C %

Mn %

Cr %

Si %

CEV %

S %

Max 0.12

Max 1

0.3-1.25

Max 0.75

Max 0.52

Max 0.035

Cu %

P %

 N %

0.25-0.55

0.06 - 0.15

Max 0.009

Grade

Min. Yield Strength Mpa

Tensile Strength MPa

Impact

WR50A

Nominal Thickness (mm)

Nominal Thickness (mm)

degree

J

Thick mm

≤16

>16
≤40

>40
≤63

>63
≤80

>80
≤100

>100
≤150

≤3

>3 ≤100

>100 ≤150

  0

  27

WR50A

355

345

….

….

….

….

510-680

470-630

….