JIS G3106 SM570 steel grade,JIS G3106 SM570 Structrual Steel Plate


BBW steel is specialized in supplying JIS G3106 steel plate in SM570. For more information of grade SM570 steel plates, please check them in following:
JIS G3106 specification is for hot rolled carbon steel plate for welded structrual purposes, steel grades include: SM400A/B/C, SM490A/B/C, SM490YA/YB, SM520B/C,SM570.
Appication:SM400A/B/C: Carbon steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction of bridges and buildings, and for general structural purposes.
SM490A/B/C: Hot rolled steel plate used for outside engineering, ships, military (armored) construction.
SM490YA/YB: Super heavy steel plate for welded structure of bridges, highway construction.
SM520B/C: Super heavy steel plate for welded structure, it is also low carbon high strength structural steel with good cold forming property.
SM570: Low alloy and high strength steel plate, heavy and wide plate for machinery parts, boom, crane, chassis, buildings bridges and mobile equipment.

JIS G3106 SM570 steel grade Chemical Composition:

SM570Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Cu (min)

SM570

0.18

0.55

1.70

0.035

0.035

-


JIS G3106 SM570 steel grade Mechanical Property:

Grade

SM570Mechanical Property

Thickness

Yield

Tensile

Elongation

SM570

mm

Min Mpa

Mpa

Min %

tQ16

460

570-720

19

16<tQ90

420-450

570-720

26


JIS G3106 Chemical Composition:

Symbol Chemical composition
C max Simax Mn P max S max
SM400A 0.23 - 2.5xc min 0.035 0.035
SM400B 0.20 0.35 0.6-1.40 0.035 0.035
SM400C 0.19 0.35 1.4 max 0.035 0.035
SM490A 0.20 0.55 1.6 max 0.035 0.035
SM490B 0.19 0.55 1.6 max 0.035 0.035
SM490C 0.19 0.55 1.6 max 0.035 0.035
SM490YA 0.20 0.55 1.6 max 0.035 0.035
SM490YB 0.20 0.55 1.6 max 0.035 0.035
SM520B 0.20 0.55 1.6 max 0.035 0.035
SM520C 0.20 0.55 1.6 max 0.035 0.035
SM570 0.19 0.55 1.6 max 0.035 0.035