BBN steel offer all kinds of corten steel, offer SPA-H steel and A588, here offer JIS G3125 Corten Steel SPA-H Equivalent grade A588.
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.
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.
SPA-H steel, JIS G3125 Corten Chemical Composition (%)Compared:
| Grade | C | Si | Mn | P | S | Cr | Cu | V | Ni |
| Corten A | 0.12 | 0.25-0.75 | 0.20-0.50 | 0.07-0.15 | 0.030 | 0.50-1.25 | 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 | 0.25-0.50 | - | 0.65 |
Mechanical Properties Compared:
| Grade | Minimumyield point (ReH Mpa *) | Tensile strengthRm MPa | Minimumelongation A(Lo=5.65 ?So) % |
| Corten A | 355 | 470-630 | 20 |
| SPA-H | 355 | 490 | 22 |
More about SPA-H steel, JIS G3125 Corten Steel SPA-H Equivalent grade A588, and if you need any corten steel steel, contact BBN steel at any time.
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