Grades

Austenitic Stainless Steel

SS 304/304L

UNS S30400

The most widely used austenitic stainless steel. Excellent corrosion resistance and formability….

ASTM A240

SA 240

SS 316/316L

UNS S31600

Contains molybdenum for enhanced chloride and
pitting corrosion resistance….

ASTM A240

SA 240

SS 321

UNS S32100

Titanium-stabilized grade for resistance to
intergranular corrosion after exposure to 427-816°C….

ASTM A240

SA 240

SS 347

UNS S34700

Columbium/niobium-stabilized grade providing
excellent resistance to intergranular corrosion….

ASTM A240

SA 240

SS 310S

UNS S31008

High-temperature service up to 1150°C. Excellent
oxidation resistance….

ASTM A240

SA 240

Boiler Quality Carbon Steel

SA 516 Gr.60/70

UNS K02100

The most commonly used pressure vessel steel plate for moderate and lower temperature service….

ASTM A516

SA 516

SA 515 Gr.60/70

UNS K02401

Carbon steel plates for intermediate and higher temperature service pressure vessels….

ASTM A515

SA 515

IS 2062 E250/E350

UNS

Indian Standard structural steel for general structural purposes….

IS 2062

Chrome-Moly Alloy Steel

SA 387 Gr.11/22

UNS K11789

Chrome-molybdenum alloy steel plates for elevated temperature and pressure vessel service….

ASTM A387

SA 387

Abrasion Resistant Steel

AR400 / AR500

UNS

High-hardness steel for extreme wear and abrasion applications. 400-500 BHN….

ASTM A514

Hardox 400/450/500

UNS
Premium abrasion-resistant quenched and tempered steel with exceptional toughness….

SSAB Proprietary

Duplex Stainless Steel

Duplex 2205

UNS S32205

Twice the strength of standard austenitic steels with excellent stress corrosion cracking resistance….

ASTM A240

SA 240

Super Duplex Stainless Steel

Super Duplex 2507

UNS S32750

Extremely high mechanical strength with excellent resistance to stress corrosion cracking and crevice….

ASTM A240

SA 240

Nickel Alloy

Inconel 625

UNS N06625

Nickel-chromium-molybdenum alloy with outstanding strength and corrosion resistance….

ASTM B443

SB 443

Hastelloy C276

UNS N10276

Superior resistance to a wide range of chemicals including ferric chloride and wet chlorine gas….

ASTM B575

SB 575

Monel 400

UNS N04400

Nickel-copper alloy with excellent sea water and acidic environment resistance….

ASTM B127

ASTM B164