
Hastelloy Series
Hastelloy C276 (UNS N10276 / DIN 2.4819) is a nickel-molybdenum-chromium alloy with tungsten, engineered for the most severe corrosive environments in industry. It is one of the few materials that withstands wet chlorine gas, hypochlorite and chlorine dioxide, and it resists hot contaminated mineral acids, brine, and sour gas containing H₂S and chlorides — conditions where every stainless steel fails.
Its very low carbon and silicon content minimizes carbide precipitation during welding, allowing most fabrications to enter service as-welded.
DML stocks C276 plates and sheets in Mumbai with cut-to-size and profile cutting against fabrication drawings, supplying pharmaceutical, chemical, FGD and oil & gas fabricators across India and export markets. Every supply is backed by mill TC per EN 10204 3.1 (3.2 on request), ASTM G28 Method A/B intergranular corrosion test, PMI verification, and thirdparty
inspection (TUV/BV/SGS) where specified.
Available Forms

COILS
Finish: Coil Form

SHEETS
Finish: Sheet Form

PLATES
Finish: Plate Form

PIPES
Finish: Seamless, Welded, Square, Round & Rectangular

BARS
Finish: Round, Flat, Bright, Black, Square, Hex

FITTINGS
Finish: Elbows, Flanges, T-Elbow

Application
Some examples of industry applications include Pharma & API reactors and heat exchangers · Chlor-alkali cell house & chlorine drying · Agrochemical multipurpose plants · FGD absorbers & scrubbers · Pulp bleach plants & digesters · Sour gas equipment · Desalination & brine systems
Chemical Composition (max)
Hastelloy
Ni
55.0
Cr
15.0
V
0.35
Mn
1.00
C
0.01
Mo
16.0
Cu
0.50
Si
0.00
Fe
5.00
W
4.0
Co
2.5
Ti
0.00
Sizes & Specification
Plate/Sheet: ASTM B575 / ASME SB575 · Bar: B574 · Seamless pipe/tube: B622 · Welded: B619/B626 · Fittings: B366
Forms
Coils
Sheets
Plates
Pipes (Box)
Pipes (Round)
Bars (Round)
Bars (Flat)
Bars (Hex)
Thickness (mm)
1.0 - 8.0
1.0 - 3.0
4.0 - 50.0
1.0 - 10.0
1.0 - 50.0
-
3.0 - 50.0
-
Length (mm)
-
2500 / 3000 / 5000 / 6000 / 6300
2500 / 3000 / 5000 / 6000 / 6300
6100
5000 - 6000
5000 - 6000
5000 - 6000
5000 - 6000
Dia (inch/mm)
-
-
-
10mm x 10mm - 200mm x 200mm
1/8" - 16" NB
10mm - 200mm
10mm x 10mm - 100mm x 100mm
10mm x 10mm - 100mm x 100mm
Width (mm)
1250 / 1500 / 2000
1250 / 1500 / 2000
1250 / 1500 / 2000
-
-
-
-
-
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