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GLIS Heat Resistent Alloys

ALLOY
ASTM
NAME
Cr %
Ni %
MAX F°
DESCRIPTION
HC A297    28 4 max 2000° (1093°C) Good sulfur and oxidation resistance, minimal mechanical properties.
HD A297    28 5.5 2000° (1093°C) Excellent oxidation and sulfur resistance plus weldability.
HE A297    28 9.5 2000° (1093°C) Higher temperature and sulfur resistant capabilities than HD.
HF A297    21 10.5 1600° (871°C) Excellent general corrosion resistance to 1500° F (816°C) with moderate mechanical properties.
HH A297 309 24 11 2000° (1093°C) Good strength and oxidation resistance at 1400°-1800° F (760°-982° C).
A608 28 14
HI A297    28 16 2000° (1093°C) Improved oxidation resistance compared with HH.
HK A297 310 24 18 2100° (1149°C) Better strength / oxidation resistance than HH. Useful range up to 1900° F (1038° C).
A608 28 22
HL A297    30 20 1800° (982°C) Improved sulfur resistance compared with HK.
HN A297    21 25 2000° (1093°C) Very high strength at high temperatures.
HP A297    26 35 2000° (1093°C) Resistant to both oxidizing and carburizing atmospheres at high temperatures.
HT A297 330 15 33 2100° (1149°C) Good thermal shock / fatigue resistance. Good carburization resistance.
A608 19 37
HU A297    17 37 2100° (1149°C) Elevated temp. strength increases over HT.
A608 21,0 41
HW A297    10 58 1800° (982°C) Higher thermal shock / fatigue and carburization resistance with higher nickel.
A608 14 62
HX A297    17 66 2100° (1149°C) Resistant to hot gas corrosion under cycling conditions without cracking or warping.

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