Grade GH3030
Old Grade
Corresponding Standard YB /T 5245-1993
Hot-rolled and forged heat-resisting, superalloy bars for general force-bearing parts
Classification Alloy Steel
GH3030 Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr Cu Ti Al More
Minimum Value - - - - - - 19 - 0.15 - Ni:Remainder
Maximum Value 1.5 0.12 0.8 0.7 0.03 0.02 22 0.2 0.35 0.15
* B, Ce added according to the calculated amount.
1 Approximate Comparison Table
China France Russia United Kingdom
GB ISC NF EN/NF GOST BS EN/BS
GH3030
(GH30)
H30300 ATG R
NC 20T
ЭИ 435 HR5
DTD 703B
N203
N403
2 Approximate Comparison Table
China United States Germany
GB Commercial Grade UNS W-Nr.
GH3030 Nimonic75 N06075 2.4630
2.4951

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