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Super Alloy HASTELLOY(r) B-2 alloy |
Related Metals: |
|
Nimofer 6928(tm)
Nickelvac HB-2(tm)
HASTELLOY(r) B-2 alloy(tm)
|
Specifications: |
|
ASTM B333
ASTM B335
ASTM B366
ASTM B564
ASTM B619
ASTM B622
ASTM B626
DIN 2.4615
DIN 2.4617
GE B50T38
UNS N10665
|
 |
Chemistry Data |
Carbon |
|
0.02 max |
Chromium |
|
1 max |
Cobalt |
|
1 max |
Iron |
|
2 max |
Manganese |
|
1 max |
Molybdenum |
|
27 - 29 |
Nickel |
|
Balance |
Phosphorus |
|
0.04 max |
Silicon |
|
0.1 max |
Sulphur |
|
0.03 max |
|
General Information |
Principal Design Features |
A wrought nickel-molybdenum alloy that can be used in the as welded condition. It is highly resistant to all concentrations and temperatures of hydrochloric acid. Also resistant to stress corrosion cracking and pitting. Because of the high molybdenum |
|
Applications |
Chemical process equipment. |
|
Machinability |
Machinable by conventional techniques. |
|
Forming |
May be formed by standard techniques as used with stainless steels. |
|
Corrosion Resistance |
Excellent corrosion resistance to all concentrations of common boiling acids. Average corrosion rates for media shown are: Media Concentration Corrosion Rate mils per year Sulfuric acid All up to 70% |
|
Welding |
The alloy is readily weldable by all methods and may be used in the as welded condition. |
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Heat Treatment |
Solution treated at 1950 F and rapid quenched. This is the normal condition in which the product forms are furnished and used. Bright annealed product forms (sheet & strip) are solution treated at 2100 F and then cooled in a hydrogen atmosphere to preve |
|
Forging |
Readily forged at temperatures 2250 F to 1800 F. |
|
Hot Working |
Can be hot worked by conventional means. |
|
Cold Working |
Can be readily cold worked by conventional means. |
|
Annealing |
Anneal following extensive work hardening due to cold working by 1950 F soak followed by rapid quench. Note that bright finish parts must be solution annealed and rapid cooled in an inert (argon gas) or reducing (hydrogen) atmosphere to prevent surface o |
|
Hardening |
Hardens by cold working not heat treatment. |
|
|
Physical Data |
Density (lb / cu. in.) |
|
0.33 |
Specific Gravity |
|
9.22 |
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) |
|
0.093 |
Electrical Resistivity (microhm-cm (at 68 Deg F)) |
|
825 |
Melting Point (Deg F) |
|
2600 |
Thermal Conductivity |
|
85 |
Mean Coeff Thermal Expansion |
|
5.7 |
Modulus of Elasticity Tension |
|
31.4 |
|
Mechanical Data |
Form |
|
Plate |
Condition |
|
Heat treated at 1950 F(1066 C) |
Temper |
|
70 |
Tensile Strength |
|
131 |
Yield Strength |
|
60 |
Elongation |
|
60 |
Rockwell |
|
B94 |
|
Form |
|
Plate |
Condition |
|
Heat treated at 1950 F(1066 C) |
Temper |
|
392 |
Tensile Strength |
|
127 |
Yield Strength |
|
53 |
Elongation |
|
59 |
|
Form |
|
Plate |
Condition |
|
Heat treated at 1950 F(1066 C) |
Temper |
|
572 |
Tensile Strength |
|
122 |
Yield Strength |
|
49 |
Elongation |
|
59 |
|
Form |
|
Plate |
Condition |
|
Heat treated at 1950 F(1066 C) |
Temper |
|
752 |
Tensile Strength |
|
120 |
Yield Strength |
|
47 |
Elongation |
|
60 |
|
Form |
|
Sheet |
Condition |
|
Heat treated 2100F (1149C) Hydrogen cool |
Temper |
|
70 |
Tensile Strength |
|
133 |
Yield Strength |
|
58 |
Elongation |
|
55 |
Rockwell |
|
B97 |
|
Form |
|
Sheet |
Condition |
|
Heat treated at 1950 F(1066 C) |
Temper |
|
70 |
Tensile Strength |
|
128 |
Yield Strength |
|
60 |
Elongation |
|
60 |
Rockwell |
|
B95 |
|
Form |
|
Sheet |
Condition |
|
Heat treated at 1950 F(1066 C) |
Temper |
|
392 |
Tensile Strength |
|
125 |
Yield Strength |
|
51 |
Elongation |
|
58 |
|
Form |
|
Sheet |
Condition |
|
Heat treated at 1950 F(1066 C) |
Temper |
|
572 |
Tensile Strength |
|
121 |
Yield Strength |
|
49 |
Elongation |
|
59 |
|
Form |
|
Sheet |
Condition |
|
Heat treated at 1950 F(1066 C) |
Temper |
|
752 |
Tensile Strength |
|
118 |
Yield Strength |
|
45 |
Elongation |
|
60 |
