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A709 GR 50 steel supplier, A709 GR 50 steel application

A709 GR 50

ASTM A709 GR.50 steel plate is a kind of low alloy structural steel which is for building bridges in normal constructions. For better weathering resistance, generally steel plate A709 Grade 50W is better used for outside situations.
ASTM A709 standard specification for structural steel for bridges

C =

Si =

Mn =

P =

S =

0.23

0.4

1.35

0.04

0.05

Nb

Ti

V

N

0.005-0.05

0.006-0.04

0.01-0.15

0.003-0.015

A709 GR.50 steel mechanical properties

Grade

Thick
mm

Yield
[MPa]
Min

Tensile [ MPa ]

Elongtation Min %

reduction
Min
%

HB

Steel Plate

Structural steel

200mm

50mm

200mm

50mm

A709 Grade 50

≤100

345

450min

18

21

18

21

A709 Grade 50 steel physical properties


Quantity

Value

Unit

Thermal expansion

16 - 17

e-6/K

Thermal conductivity

16 - 16

W/m.K

Specific heat

500 - 500

J/kg.K

Melting temperature

1370 - 1400

C

Service temperature

0 - 500

C

Density

8000 - 8000

kg/m3

Resistivity

0.7 - 0.7

Ohm.mm2/m

Bebon steel can supply high quality A709 GR.50 steel plates. If you have any requires, please contact us!