ASTM A242 steel

Classification :

The ASTM A242 specification is the standard specification for high-strength low- alloy structural steel for structural members where weight savings and atmospheric corrosion resistance are important.

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ASTM A242 steel

Product introduction

The ASTM A242 specification is the standard specification for high-strength low- alloy structural steel for structural members where weight savings and atmospheric corrosion resistance are important. Mechanical property requirements are specified by product type (plates and bars, and structural Shapes) and by thickness.

ASTM A242 steel has atmospheric corrosion resistance
The steel plate under ASTM A242 standard also called the weathering steel plate, referred to the semi-killed or fully killed steel. It has good atmospheric corrosion resistance so the steel could be used in a lot of working environments.

ASTM A242 weathering steel is substantially better than that of carbon structural steel with or without copper added-in.

Mechanical properties A242:
Tensile:
70 ksi min (3/4 and under), 67 ksi min (3/4-1.5) 63 ksi min (over 1.5-4)
Yield:
50 ksi min (3/4 and under), 46 ksi min (3/4-1.5) 42 ksi min (over 1.5-4)
Elongation:
16% min in 8” 19% min in 2” (for plates wider than 24”)

Technical Data

Chemical Composition For Corten Steel ASTM A242 Type 1 Plate & Sheet

Corten – A	ASTM 588 Grade A	ASTM 242 TYPE -1	IRSM 41 -97
Carbon, Max	0.12	0.19	0.15	0.10
Manganese	0.20-50	0.80-1.25	1.00	0.25-0.45
Phosphorus	0.07-0.15	0.04	0.15	0.07-0.11
Sulphur, max	0.030	0.05	0.05	0.030
Silicon	0.25-0.75	0.30-0.65	0.25-0.40	0.28-0.72
Nickel, max	0.65	0.40	–	0.20-0.49
Chromium	0.50-1.25	0.40-065	–	0.30-0.50
Molybdenum, max	–	–	–	–
Copper	0.25-0.55	0.25-0.40	0.20 min	0.30-0.39
Vanadium	–	0.02-0.10	–	0.050
Aluminimum	–	…	–	0.030

Mechanical properties of corten steel ASTM A242 Type 1 plates & Sheets

Tensile Strength	Min. Yield Point	Elongation
CORTEN A	[470 – 630 MPa]	[355 MPa]	20 % min
ASTM 588 GR. A	[485 MPa]	[345 MPa]	21% min
ASTM 242 TYPE -1	[480 MPa]	[345 MPa]	16% min
IRSM 41- 97	[480 MPa]	[340 MPa]	21% min

A242 steels applications:
A242 steel plate can be used in the manufacture of vehicles, bridges, towers, construction of tanks, containers, frame structures, with requirements of welding, or bolted.

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FAQ:
Q：Will you offer samples?
A：Yes. We will provide samples according to your needs and send them out within three days after receiving payment.
Q：Do you have the products in stock?
A：We have the products in stock. Also, we can produce for your order.
Q：Do you offer after-sales services?
A：Certainly. If you have any questions, please feel free to contact us. We shall certainly do it to your satisfaction.

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The factory covers an area of nearly 60000 square meters and has processing equipment such as large shear machines, circular shear machines, straightening machines, annealing furnaces, punching and shearing lines. The company has not only established long-term strategic cooperation relationships with more than 600 domestic large and medium-sized enterprises such as FAW, China National Heavy Duty Truck Group, Sinopec, and Inspur Group. Our products are also exported to over 60 countries and regions in Europe, the Americas, the Middle East, Southeast Asia, and Australia. The products are widely used in industries such as mechanical manufacturing, electrical appliances, electronics, automobiles, insulation, molds, aerospace, military, construction, printing, food, etc

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Weather Resistant Steel