Structural steel SA572 Grade 55 equivalent

ASME SA572 Grade 55 [380] is a high strength low alloy structural steel material. It has a minimum yield point of 380 MPa[55ksi] in thicknesses up to 15in. [380 mm]. Structural steel plates furnished under ASME SA572 shall comply with requirements of the

ASME SA572 Grade 55 [380] is a high strength low alloy structural steel material. It has a minimum yield point of 380 MPa[55ksi] in thicknesses up to 15in. [380 mm]. Structural steel plates furnished under ASME SA572 shall comply with requirements of the current edition of Specification A6/A6M, for the specific structural product ordered, unless a conflict exists in which case this specification shall prevail.

The following tables show SA572 Grade 55 steel properties, including the equivalent grade, chemical composition, mechanical properties.

ASME SA572 Grade 55 equivalent


EN

ASTM

DIN

JIS

GB

S355JR (1.0045)

A572 Grade 55

St52-3

SM490A

Q345B

SS490

ASME SA572 Grade 55 [380] chemical composition max. (%)


Grade

Carbon, max

Manganese, max

Phosphorus, max

Sulfur, max

Silicon, max

SA572 Grade 55

0.26

1.35

0.030

0.030

0.40

ASME SA572 Grade 55 [380] steel mechanical properties


Grade

Yield Strength Mpa

Tensile Strength
Mpa min.

Elongation %
in 200mm

Elongation %
in 50mm

SA572 Grade 55

380 [55]

485

17

20

Common sizes of SA572 steel plate include:
4x4, 4x6, 4x8, 4x10, 4x12, 4x16, 5x8, 5x10, 5x12, 5x16, 6x8, 6x10, 6x12, 6x16, 8x10, 8x12, 8x16, 8x20. Other sizes are also available.

SA572 Grade 55 low alloy steel application
SA572 Grade 55 low alloy steel is mainly used for bridge plate,gusset plate,base plate and structural steel stiffeners. Alloy steel ASME SA572 Grade 55 plates are intended for riveted, bolted, or welded structures primarily in applications where extra strength or reduced end product weight is desired without foregoing strength.

FAQ
Q1. Are you factory or trading company?
A1. We are a factory located in Zhengzhou city. We have our own production line of cutting process. We can produce and ship according to the order.
Q2. The price you post on the website is the exact price?
A2. What we publish on our website is the price range of steel plate reform. If you need, we can have a detailed discussion.
Q3: Can provide OEM/ODM service?
A3: Yes. Please feel free to contact us for more details discuss.
Q4. Can you provide samples? Is it free?
A4. Yes, we could provide the sample for free charge without freight.
Q5. What’s the delivery time?
A5. It takes only one week to ship from stock, while customized products need to be negotiated according to the specific order requirements.
Q6. If you provide cutting and other service or not?
A6. Of course we could provide cutting, welding, drilling, grinding and bending service as required or according to the drawing. The surface treatment and the port of shipment are also according to the order.

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