Materials

Chemical compositions (mass%)

Mechanical properties

C

Si

Mn

P

S

Yield stress

(MPa)

Tensile strength

(MPa)

Elongation

(%)

Box column:

STKR400

0.15

0.01

0.39

0.018

0.004

401

474

38

Patch plate:

SPHC

0.12

0.01

0.60

0.015

0.005

276

341

18

Top/Bottom plate:

SM400A*

0.14

0.17

0.62

0.025

0.006

353

471

28

Weld metal:

YGW12*

0.09

0.44

0.96

0.012

0.012

460

540

31