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Alloy C-276

Alloy C-276 is a nickel-chromium-molybdenum alloy with tungsten, offering exceptional resistance to corrosion, pitting, crevice corrosion, and stress corrosion cracking. It performs reliably in harsh oxidizing and reducing chemical environments across a wide temperature range.
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Alloy C-276 is a nickel-chrome-molybdenum alloy that contains tungsten. It exhibits remarkable corrosion resistance over an extensive range of harsh, aqueous environments. In particular, it shows high resistance to oxidizing and reducing acids as well as chloride-induced crevice, pitting, and stress corrosion cracking. This alloy maintains its integrity when exposed to corrosive liquids across an unusually wide temperature region. Its microstructure and composition give it extraordinary uniform protection against diverse corrosive chemicals.
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Typical specification data

Technical reference

Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.

Chemical Properties
- C Mn Si Ni Cr W Mo Co V P S
Min - - - 51 15 3 15 - - - -
Max 0.01 1 0.08 63 16.50 4.50 17 2.50 0.3 0.02 0.01
Mechanical Properties
Shape Yield Strength (max) Tensile Strength (max) Elongation (max) Hardness (max)
Sheet 45 ksi [310 MPa] 106 ksi [730 MPa] 30% 240 HB
Plate 41 ksi [280 MPa] 102 ksi [700 MPa] 25% 240 HB
Bar 41 ksi [280 MPa] 106 ksi [730 MPa] 30% 240 HB
ASTM UNS WERKSTOFF NR. NACE EN AFNOR ASME DIN
B 575 N10276 2.4819 MR 0175 NiMo16Cr15W NC17D SB 575 17744

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