Hot Rolled SPA-H Steel Sheets

Hot Rolled SPA-H Steel Sheets

Corten Steel SPA-H JIS G3125 Grades: SPA-H Standard: JIS G3125 What is “COR-TEN” steel “COR-TEN” is a US Steel trade name for ASTM A588. Corrosion Resistant Steel (often written without the hyphen as Corten) is a weather resistant steel grade which could more accurately be termed as an...

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Corten Steel SPA-H JIS G3125
Grades: SPA-H
Standard: JIS G3125

What is “COR-TEN” steel

“COR-TEN” is a US Steel trade name for ASTM A588. Corrosion Resistant Steel (often written without the hyphen as Corten) is a weather resistant steel grade which could more accurately be termed as an “Atmospheric Corrosion Resistant Steel”.
The original COR-TEN received the standard designation A 242 (“COR-TEN A”) from the ASTM International standards group. Newer ASTM grades are A 588 (“COR-TEN B”) and A 606 for thin sheet. All alloys are in common production and use.

Characteristic

Corten steel is a copper chromium alloy steel – this alloy displays a greater level of resistance to atmospheric weathering when compared to other unalloyed steels. Corten steel which were developed to eliminate the need for painting, and form a stable rust-like appearance if exposed to the weather for several years. It’s chemical composition promotes the early formation of an adhering protective layer of rust when exposed to the elements.

 

Availability

Plates & Sheet
Thickness 0.6-100 mm
Width: 30-4000 mm

Length: 1000-12000 mm

Chemical Composition (%)

Grade

C

Si

Mn

P

S

Cr

Cu

V

Ni

Corten A

0.12

0.25-0.75

0.2-0.5

0.07-0.15

0.03

0.5-1.25

0.25-0.55

0.65

SPA-H

0.12

0.20-0.75

0.60

0.07-0.15

0.035

0.30-1.25

0.25-0.5

0.65

Mechanical Properties

At room temperature for plates ?3mm in thickness (transverse test specimans, according to EN 10002). Requirements to hot rolled plates ?3mm in thickness according to EN 10025-5.

Grade

Minimumyield point (ReH Mpa *)

Tensile strength

Rm MPa

Minimum elongation A(Lo=5.65 ?So) %

Corten A

355

470-630

20

SPA-H

355

490

22

*) 1 Mpa = 1N/mm2

No impact test is performed on products below 6mm in thickness.

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