A709 Bridge building steel

A709 Bridge building steel

ASTM A709 Bridge building steel

Standard: ASTM A709/A709M
Steel Grade : A709 Grade 36(250), A709 Grade 50(345), A709 Grade 50S(345S), A709 Grade 50W(345W), A709 Grade HPS50W(HPS345W), A709 Grade HPS70W(HPS485W), A709 Grade 100(690), A709 Grade 100W(690W), A709 Grade HPS100W(HPS690W)

Dimension range : 1.2mm -680mm x 1000mm-4000mm x 1000mm-18000mm
MOQ: 1 PC
Product type : Steel plate
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight
Latest price:

Specification :
ASTM A709 is a kind of structural hot-rolled steel. ASTM A709 steel is used for bridge building .ASTM A709 has nine grades :A709 Gr.36(250), A709 Gr.50(345), A709 Gr. 50S(345S), A709 Gr. 50W(345W), A709 Gr. HPS50W(HPS345W), A709 Gr. HPS70W(HPS485W), A709 Gr. 100(690), A709 Gr. 100W(690W), A709 Gr. HPS100W(HPS690W)

ASTM A709 Series steel chemical composition :

Grade

Plate thickness mm

Section thickness mm

Yield strength MPa min

Tensile Strength MPa

Elongation%

plate

section

200mm

50mm

200mm

50mm

36(250)

≤100

≤75

250

400-550

20

23

20

21

50(345)

≤100

all

345

450 min

18

21

18

21

50S(345S)

all

345-450

450 min

18

21

50W(345W), HPS50W(HPS345W)

≤100

all

345

485 min

18

21

18

21

HPS70W(HPS485W)

≤100

480

585-760

19

100(690),100W(690W),HPS100W(HPS690W)

≤65

690

760-895

18

100(690),100W(690W)

65-100

620

690-895

16