GH2302

GH2302 Stainless Steels to GB/T 14992 (2005)

GH2302 - Specification & Application

• GB/T 14992 (2005) - Classification and designation for superalloys and high temperature intermetallic materials
• GB/T 14993 (1994) - Hot-rolled heat-resisting superalloy bars for rotating parts
• GB/T 14995 (2010) - Hot-rolled superalloy sheets
• GB/T 14996 (2010) - Cold-Rolled heat-resisting superalloy sheets

Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(wt.%) of GH2302 grade: to GB/T 14992 (2005)

GH2302 - Detail

GH2302

Mechanical properties of grade GH2302 GB/T 14992 (2005)

Proof strength Rp0.2 (MPa)	Tensile strength Rm (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
732 (≥)	455 (≥)	34	31	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	312

Physical properties of grade GH2302 GB/T 14992 (2005)

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2	Expansion rate
682 (≥)	714 (≥)	11	31	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	322
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
219	153	951