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Grade GH2901
China ISC H29010
Old Grade
Corresponding Standard GB /T 14992-2025
Superalloys and Intermetallic Compounds-Designation and Chemical Composition
Classification Special Alloy Steel
GH2901 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo Ti B Co Al More
Minimum Value 0.02 - - - - 11 40 - 5 2.8 0.01 - - Fe：Balance
Maximum Value 0.06 0.4 0.5 0.02 0.008 14 45 0.2 6.5 3.1 0.02 1 0.3
1 Approximate Comparison Table Deformed High-Temperature Alloy
China United States Germany France Russia United Kingdom
GB ISC Commercial Grade ASTM AMS DIN EN/DIN W-Nr. L-Nr. NF EN/NF GOST BS EN/BS
GH2901
(GH901) 		H29010 Udimet 901 Inconel 901 5660
5661 		NiFeCr12Mo 2.4975 2.4662 Z8NCD ЭИ 725 HR 53
HR 404
N 901
2 Approximate Comparison Table Deformed High-Temperature Alloy
China United States Germany
GB Commercial Grade UNS W-Nr.
GH2901 Nimonic901 N09901 2.4662
GH2901 Corresponding Standards(Same grade name, different standards)
1 GB /T 14992-2005
GH2901 H29010 (GH901)
2 GB /T 40313-2021
GH2901
3 GB /T 14992-2025
GH2901 H29010 (GH901)

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