Alloy Steel SA 387-78
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Atmospheric Corrosion Resistant Plate

Corrosion Resistant Plate

Weathering Steel Plate

Weather Resistant

Weathering Steel Plate

Weathering Steel

Weathering Steel B

EN10025-5 S355 JOW

EN10025-5 S355 J2W

ASTM A 242 TYPE II

ASTM A 588 GRADE B

IRS M-41/97

JIS G 3125

Weathering Steel A

S355 J2w

S355 JOW

ASTM 588 GR.A

ASTM 588 Gr.A

ASTM 588 Gr.B

ASTM 588 Gr.K

S355JOW

1.8959

ASTM 242

ASTM 588

A 709 -50 W

SMA 50W

E36WB3

WR50B

3500AAT

FE 510C2KI

17GIS

FE355W

S355J2W

1.8965

A 709-50W

WT ST52-3

S355J2GW

SMA50CP

S355J2W+N

1.8963

A 588 GRADE A

A600 A

A600B

A600V

SMA 570W E35WB4

400AAT

S355J2G1W

FE510D2KI

S355K2W

1.8967

A 709GR.50W,

E36WB4

S355K2G1W

 

ASTM 588 GR.A

Atmospheric Corrosion
Resistant Steel
Steel Grade Material No.
TKS Standard EN 10025 EN 10025-5 ASTM Standard
Weathering Steel B S355JOW S355J2W+N ASTM 588
GRADE A
1.8946
 
Weathering steel, best-known under the trademark Weathering Steel B steel and sometimes written without the hyphen as "Weathering Steel B steel", is a group of steel alloys which were developed to obviate the need for painting, and form a stable rust-like appearance if exposed to the weather for several years. United States Steel Corporation (USS) holds the registered trademark on the name Weathering Steel B. Although USS sold its discrete plate business to International Steel Group (now Arcelor-Mittal) in 2003, it still sells Weathering Steel B branded material in strip-mill plate and sheet forms.

ASTM A588 GRADE A Corrosion Resistance steel ASTM grade for weather resistant steel plates: Conquest Steel & Alloys is leading supplier & stockist of ASTM A588 which is weathering steel with improved atmospheric corrosion resistance, also known as Weathering Steel B. Due to its chemical composition, this material develops a patina with increased resistance against the atmospheric corrosion in comparison with non-alloyed steels. Due to its restricted chemical composition, S355J2W STEEL has a better weldability compared to respective steels produced according to EN 10025-5. COR-TEN STEEL ASTM A588 is a weathering steel and was developed to avoid having to paint steel for protection.

ASTM A588 steel plate is a corrosion-resistant steel high-strength low-alloy structural steel with improved atmospheric corrosion resistant plate which is excellent for welding, riveting or bolting in construction applications, primarily welded bridges and buildings where savings in weight or added durability are important. When properly exposed to the atmosphere, A588 is suitable for many applications in the bare or unpainted condition. ASTM A 588 has a yield strength of at least 50,000 psi (340,000 kPa), and ultimate tensile strength of 70,000 psi (480,000 kPa) for all rolled shapes and plate thicknesses up to 4 in (100 mm) thick. Plates from 4–5 in (100–130 mm) have yield strength at least 46,000 psi (320,000 kPa) and ultimate tensile strength at least 67,000 psi (460,000 kPa), and plates from 5–8 in (130–200 mm) thick have yield strength at least 42,000 psi (290,000 kPa) and ultimate tensile strength at least 63,000 psi (430,000 kPa). Our S355J2W+N achieves this by forming a protective rust-coloured oxide layer on its surface. Its alloying with copper and chromium ensure the formation of a firmly adhering protective layer of ‘rust’ which delivers a particular aesthetic appearance and weathering performance. COR-TEN STEEL is not rustproof in itself. ASTM A588 GRADE A steel plates do not require them to be painted to be protected from tarnishing. The corrosion impeding impact of the defensive layer is delivered by the specific appropriation and centralization of alloying components in it. The layer ensuring the surface creates and recovers persistently when subjected to the impact of the climate. At the end of the day, the steel is permitted to rust keeping in mind the end goal to structure the "defensive" covering. S355JOW weather-resistant structural steel is used for instance in steel constructions like bridges and buildings. This steel is used for various types of welded, bolted and riveted constructions e.g. steel frame structures, bridges, tanks and containers, exhaust systems, vehicles and equipment constructions.

The original Weathering Steel B received the standard designation ASTM A 242 TYPE-II("COR-TEN B*") from the ASTM International standards group. Newer ASTM grades are A 588 ("Weathering Steel B*") and A 606 for thin sheet. All alloys are in common production and use.

JIS G 3125:2004: Japanese grade for weather resistant steel plates: Superior atmospheric corrosion resisting rolled steels This Standard specifies the rolled steel having high atmospheric corrosion resistance, to be used for vehicle, building, steel tower and other structure.

IRSM 41-97 Corrosion Resistance steel INDIAN grade for weather resistant steel plates: IRSM 41-97 standard of Indian railways specifically formed for wagon body due to it high resistance to corrosion, Major wagon builder being Rail Coach Factory.

Chemical Composition :
C Si Mn P
S
Cr Cu Ni V
≤ 19 0.30 - 0.65 0.80 - 1.25 ≤ 0.04 ≤ 0.05 0.40 - 0.65 025 - 0.40 ≤0.40 0.02 - 0.10
Mechanical Properties : Hot Rolled Sheets = 16
Yield Strength
(MPa)
Tensile Strength
(MPa)
Minimum Elongation A
(Lo = 5.65 vSo) %
355 470 - 630 20
Mechanical Properties : Cold Rolled Sheets > 16 - 50
Yield Strength
(MPa)
Tensile Strength
(MPa)
Minimum Elongation A
%
345 470 - 630 20
APPLICATIONS:
Chimneys, Bridges, Tubular bridges, Facades, Containers, Tanks

PRODUCTS :

Corrosion Resistant Steel Plates | Sailma Grades Steel Plates & Sheets | Wear Plates As Per Hardox 400,

RAEX 400, JFE EH 360, FORA 400, XAR 400, DILLIDUR 400, 400 BHN Hardness Plates


Alloy Steel Plates / ASTM A 387-78 / Pressure Vessel Plates |EN10028 15MO3, 16MO3 , ASTM A 204 GRADE A ,

ASTM A 204 GRADE B , ASTM A 204 GRADE C


Boiler and Pressure Vessel Steel Plates | ASTM A36 , ASTM 283 GRADE A , ASTM 283 GRADE C , S27JR , S235JR ,

IS2062 GRADE A , IS2062 GRADE B , SS 400
| Stainless Steel Plates

Duplex / Super Duplex Steel | Inconel 625 (ALLOY 625 UNS N06625), Hastelloy C276 (ALLOY C276 UNS

N10276), Inconel 600 (Alloy 600 UNS N06600) , Inconel 825 (Alloy 825 UNS N08825), Inconel 800 (Alloy

800 UNS N08800), Monel 400 (Alloy 400 UNS N04400), Alloy 2


ASTM A 387 | ASTM 242 TYPE-1 | ASTM 588 GR.A | JIS G 3125 SPA H | IRSM 41-97 | IRSM 44 | S355J2W+N

Weathering Steel A | Boiler Quality Plates ASTM A 516 GR. 60/70 | High Tensile Plates As Per Weldox, Dillimax

690, S690QL , Naxtra 70 , Weldox , JFE 780LE , Hiten 780