ASTM A709 Grade 250 Structural steel

ASTM A709 Grade 250 Structural steel

ASTM A709 Grade 250 Structural steel
Key words:A709 Grade 250,ASTM A709 Grade 250,A709 Grade250 Structural steel , ASTM A709 Grade 250 Structural steel for bridge

A709 Grade250 Main application:
Low alloy steel plates are used to manufacture the plants of factory ,bridge, the common constructure and construction machinery and equipment.

A709 Grade 250steel chemical composition %

category

Structural steel(all)

Steel plate

Steel bar

Thickness(mm)

≤20

20~≤40

40~≤65

65~≤100

≤20

20~≤40

40~≤100

Cmax

0.25

0.25

0.25

0.25

0.27

0.26

0.27

0.28

Mnmax

~

~

0.80-1.20

1.80-1.20

1.80-1.20

0.30-0.90

0.30-0.90

0.30-0.90

Pmax

0.40

0.40

0.40

0.40

0.40

0.40

0.40

0.40

Smax

0.50

0.50

0.50

0.50

0.50

0.50

0.50

0.50

Simax

≤0.40

≤0.40

≤0.40

0.15-0.40

0.15-0.40

≤0.40

≤0.40

≤0.40

Cumax

0.20

0.20

0.20

0.20

0.20

0.20

0.20

0.20

Grade250 Mechanical properties

Grade

steel thickness

Steel flange thickness

yield strength

Tensile strength

elongation

Steel plate and steel

sectional material

200mm

50mm

200mm

200mm

250

≤100

≤75

250min

400-500

20

23

20

21

~

>75

250min

400min

~

~

20

19

JW steel keeps more than 10,000 tons Grade250 steel plates in stock each month. We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.


ReferenceLink:A709Grade36,A709 Grade50,Grade50S,GradeHPS50W,ASTM A709