Jiaxing gh3128 seamless pipe spot customization

  Gh3128 (gh128) similar brands:
 
Overview of gh3128 characteristics and application fields:
The alloy is a nickel base alloy strengthened by solid solution of tungsten and molybdenum and grain boundaries strengthened by boron, cerium and zirconium
It has high plasticity, high lasting creep strength, good oxidation, stamping and welding properties
Its comprehensive properties are better than those of similar nickel base solid solution alloys such as GH3044 and GH3536
It is suitable for manufacturing combustion chamber flame tube, afterburner shell, regulating plate and other high-temperature parts of aeroengine working at 950 ℃ for a long time

Gh3128 chemical composition: (GB / t14992-2005)

Wochen alloy	%	Ni	Chrome Cr	iron Fe	molybdenum Mo	tungsten W	cobalt Co	carbon C	manganese Mn	silicon Si	sulfur S	phosphorus P	Aluminum Al	titanium Ti
GH3128	minimum	allowance	19 0		7 5	7 5							0 4	0 4
	maximum		22 0	2 0	9 0	9 0		0 05	0 5	0 8	0 013	0 013	0 8	0 8

 
Gh3128 physical properties:

density g/cm3	melting point ℃	thermal conductivity λ/ (W/m•℃)	specific heat capacity J/kg• ℃	modulus of elasticity GPa	shear modulus GPa	resistivity μ& Omega;& bull; m	Poisson's ratio	linear expansion coefficient a/10-6℃-1
8 81	1340 one thousand three hundred and ninety	11 3(100℃)		208		1 37		11 25(20~100℃)

 
Gh3128 mechanical properties: (minimum value of mechanical properties tested at 20 ℃)

processing method	tensile strength & sigma; b/MPa	yield strength & sigma; p0 2/MPa	elongation & sigma; 5 /%	Brinell hardness HBS
solution treatment	735		40

 
Gh3128 production executive standard:

standard	chemical composition	bar Td = "value" width = "82" /	sheet	silk	pipe
national standard	GB/T14992	GB/T14994 GB/T14993	GB/T14997 GB/T14998	GB/T14995 GB/T14996	YB/T5249	GB/T15062
aviation standards
standard				GJB3317 GJB1952	GJB2612

 
Gh3128 metallographic structure:
The alloy has a single-phase austenite structure in the solid solution state and contains a small amount of fine and evenly distributed tin and M6C

Gh3128 process performance and requirements:
1
During ingot forging, the furnace temperature shall not be higher than 700 ℃, and the final forging temperature shall be greater than 900 ℃

2
The average grain size of the alloy is closely related to the deformation degree and final forging temperature of the forging

3
The alloy can be welded by argon arc welding, spot welding, seam welding and other methods

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