Chemical Composition

Grade

C
≤

Si

Mn

P
≤

S
≤

N
≤

Al
≥

Cr
≤

Cu
≤

Mo
≤

Ni
≤

Nb
≤

Ti
≤

V
≤

Nb+Ti+V
≤

WStE315

0.18

≤0.45

0.70~1.50

0.035

0.030

0.020

0.020

0.30

0.20

0.08

0.30

0.03

---

---

0.05

Mechanical Property

Grades

Tensile Strength Rm for
product thicknesses s,in mm
N/mm²

UpperYield StressReH²) for product thicknesses s,in mm
N/mm² min.

Elongation after fracture3)
(Lo=5do) % min.

Mandrel diameter for bend test 4), 5)

s≤70

70<s≤85

85<s≤100

100<s≤125

125<s≤150

s≤16

16<s≤35

35<s≤50

50<s≤60

60<s≤70

70<s≤85

85<s≤100

100<s≤125

125<s≤150

Longitudinal

Transverse 6)

WStE315

440~560

430~550

420~540

410~530

400~520

315

305

295

285

275

265

255

23

 

 

 

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