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Grade GH4080A
China ISC H40801
Old Grade
Corresponding Standard GB /T 14992-2005
Classification and Designation for Superalloys and High Temperature Intermetallic Materials
Classification Alloy Steel
Properties Corrosion Resistance High-Temperature Resistance
GH4080A Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr Cu Ti B Co Al More
Minimum Value - 0.04 - - - - 18 - 1.8 - - 1 Ni：余量
Maximum Value 1.5 0.1 0.8 0.4 0.02 0.015 21 0.2 2.7 0.008 2 1.8
1 Approximate Comparison Table Deformed High-Temperature Alloy
China United States Germany France United Kingdom
GB ISC Commercial Grade DIN EN/DIN W-Nr. L-Nr. NF EN/NF BS EN/BS
GH4080A
(GH80A) 		H40801 Nimonic 80A NiCr20TiAl 2.4952 2.4631 ATG S3
NC20TA 		2HR1
2HR 201
2HR 401
3HR 601
DTD 736B
2 Approximate Comparison Table Deformed High-Temperature Alloy
China United States International Organization for Standardization European Standard
GB SAE ISO EN Numerical Grade
GH4080A
80A① 		HEV5 NiCr20TiAl NiCr20TiAl 2.4952
GH4080A Corresponding Standards(Same grade name, different standards)
1 GB /T 14992-2005
GH4080A H40801 (GH80A)
2 GB /T 14994-2008
GH4080A H40801 (GH80A)
3 GB /T 12773-2021
GH4080A 80A

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