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ASTM A709 345 steel is a standard specification for structural steel in bridges.A709 345 steel covers high strength,low allow steel structural shapes,plates and bars.
Low alloy A709 Grade 345 bridge structural steel are used to manufacture the plants of factory,bridge,the common constructure and construction machinery and equipment.
Delivery time : Promptly ( Stock) or 10-40 days (Production).
A709 Grade 345 steel chemical composition %
Maximumdiameter, thickness,
or parallel surface spacing(mm) |
Max,% |
Si |
||||
|
C |
Mn |
P |
S |
Thickness of 40 mm or less steel, |
>40mmthickness steel plate, |
100 |
0.23 |
1.35 |
0.04 |
0.05 |
0.40 |
0.15-0.40 |
A709 Grade 345 Mechanical properties
Grade
|
steel thickness |
Steel flange thickness |
yield strength |
Tensile strength |
elongation |
|||
|
|
|
|
|
Steel plate and steel |
sectional material |
||
|
|
|
|
|
200mm |
50mm |
200mm |
200mm |
345 |
≤100 |
all |
345min |
400min |
18 |
21 |
18 |
21 |
We keep more than 10,000 tons A709 Grade 345 steel plates in stock each month.We can meet our customer's any quantity request.and if you want to get more information or better products of A709 Grade 345 bridge structural steel,just contact us.
Related Product:
A709 Grade 36,A709 Grade 50,A709 Grade 50S,A709 Grade 50W,A709 Grade HPS 50W,A709 Grade HPS 70W,A709 Grade HPS 100W,A709 Grade 250,A709 Grade 485, A709 Grade 690