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Hastelloy™ G Material Property Data Sheet

Do you need custom fasteners created with Hastelloy™ G-50? Since our inception, Vegas Fastener Manufacturing has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Hastelloy™ G Bar Stock we have available to meet your needs.

 

CABVAL Hastelloy® G-50™ Grade 100 Ni-Cr-Fe-Mo Alloy


Subcategory: Metal; Nickel Base; Nonferrous Metal; Superalloy

Key Words: UNS N06950

Component   Wt. %
AlMax 0.4 
CMax 0.02 
CoMax 2.5 
Cr19 - 21 
CuMax 0.5 
Min50
Component   Wt. %
Fe15 - 20 
MnMax 1 
Mo8 - 10 
NbMax 0.5 
Ni 
Component   Wt. %
PMax 0.04 
SMax 0.015 
SiMax 1 
WMax 1 

Material Notes:
Developed as a lower cost alternative to Hastelloy C-276 for use by producers of sour gas. Improved corrosion resistance compared to G-3 in service with high hydrogen disulfide concentrations in combination with carbon dioxide, chloride, etc. Its corrosion resistance at elevated temperatures falls between G-3 and C-276 in 15% HCl and in hydrogen sulfide sress corrosion cracking tests. G-50 alloy lends itself to consistent methods of manufacture of tubular products.

Data provided by CABVAL, a joint venture between Haynes International and Vallourec Industries.

Physical PropertiesMetricEnglishComments
Density8.33 g/cc0.301 lb/inł 

Mechanical Properties
Hardness, Brinell290290 Estimated from Rockwell C for Brinell 10 mm ball/3000 kg load
Hardness, Knoop345345 Estimated from Rockwell C
Hardness, Rockwell A6666 Estimated from Rockwell C
Hardness, Rockwell CMax 31Max 31 
Hardness, Vickers300300 Estimated from Rockwell C
Tensile Strength, UltimateMin 760 MPaMin 110000 psi 
Tensile Strength, Yield700 - 860 MPa102000 - 125000 psi 0.2% offset
Elongation at BreakMin 20 %Min 20 % 
Modulus of Elasticity192 GPa27800 ksi Room Temp

Thermal Properties
CTE, linear 20°C13 µm/m-°C7.22 µin/in-°F 20-95°C
CTE, linear 250°C14.09 µm/m-°C7.83 µin/in-°F 20-315°C; value is 13.54 µm/m-C from 20 - 204°C



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