ASTM A242 has 2 grades: Type 1Type 2, while type 1 is the most used structural steel grade. Usually it is produced to be hot rolled state, it is suitable for cutting, forming, drilling and machining, grinding.
CORTEN STEEL A242 PLATES SPECIFICATION
ASTM A242 / ASME SA242
2-460mm , Steel Plate Width: 1500-3200mm
6000-12000mm
ASTM A242 is a high strength low-alloy structural steel specification with improved atmospheric corrosion resistance and higher temperature resistance. This specification is normally applicable to steel plates through one-half inch in thickness. ASTM A242 is used primarily in the fabrication of:
ASTM A242 can withstand sustained temperatures to 800F.
The atmospheric corrosion resistance of A242 is substantially better than that of carbon steels such as A36 and A572-50 with or without copper addition. When properly exposed to the atmosphere, A242 is suitable for many applications in the unpainted condition.
ASTM A242 has a 50ksi minimum yield strength and a 70ksi minimum tensile strength
ASTM A242 Corten TYPE 1 Type2 Steel Plates Chemical Composition:
| V | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| A242 Type I | 0.19 | 0.80-1.25 | 0.04 | 0.05 | 0.30-0.65 | 0.40 | 0.40-0.65 | 0.25-0.55 | 0.02-0.10 |
| A242 Type II | 0.20 | 1.35 max | 0.04 | 0.05 | 0.30-0.65 | 0.40 | 0.40-0.65 | 0.20-0.55 | 0.02-0.10 |
ASTM A242 Type I Steel Plate Mechanical Properties:
| A242 Type1 | J | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Less than or equal to 16 | >16 Less than or equal to 40 |
>40 Less than or equal to 63 |
>63 Less than or equal to 80 |
>80 Less than or equal to 100 |
>100 Less than or equal to 150 |
Less than or equal to 3 | >3 Less than or equal to 100 | >100 Less than or equal to 150 | -20 | 27 | |
| 355 | 345 | …. | …. | …. | …. | 510-680 | 470-630 | …. | |||
ASTM A242 Corten TYPE 2 Steel Plates Mechanical Properties:
| Density (×1000 kg/m3) | 7.7-8.03 | 25 |
|---|---|---|
| 0.27-0.30 | 25 | |
| 190-210 | 25 | |
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