Types of Hastelloy B2/B3 Threaded Fittings
As a premier distributor and exporter, We provide Hastelloy B3 Socket Weld and Threaded Forged Fittings to the USA, UAE, Saudi Arabia, Oman, and Qatar, adhering to ASME B16.11, MSS SP-79, 83, 95, 97, and BS 3799 standards.
Hastelloy B2 Threaded Pipe Nipples Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS | AFNOR | JIS | EN | BS | GOST | OR |
---|---|---|---|---|---|---|---|---|
B2 | 2.4617 | N10665 | – | - | - | – | – | – |
B3 | 2.4600 | N010675 | – | - | - | – | - | - |
Chemical Composition of Alloy B3 Forged End Caps
Grade
C
Ni
Si
N
S
Mn
P
Cr
Mo
B2
0.02 Max.
Bal
0.1 Max.
Bal
0.03 Max.
1.0 Max.
0.04 Max.
1.0 Max.
26 – 30
Grade
Mo
Ni
Cr
Fe
Al
Ti
W
Mn
C
Si
B3
28.5
65.0 Min
1.5
1.5
0.50 Max
0.2 Max
3.0 Max
3.0 Max
0.01 Max
10 Max
Mechanical Properties of Grade B2 Socket Weld Couplings
Grade
Density
Melting Point
Tensile Strength
Yield Strength (0.2%Offset)
Elongation
B2
9.2 G/Cm3
1370 °C (2500 °F)
Psi –1,10,000 , MPa –760
Psi – 51,000 , MPa – 350
4o %
B3
9.2 G/Cm3
1370 °C (2550 °F)
Psi – 1,15,000 , MPa –760
Psi – 52,000 , MPa – 350
4o %
Grade | C | Ni | Si | N | S | Mn | P | Cr | Mo |
---|---|---|---|---|---|---|---|---|---|
B2 | 0.02 Max. | Bal | 0.1 Max. | Bal | 0.03 Max. | 1.0 Max. | 0.04 Max. | 1.0 Max. | 26 – 30 |
Grade | Mo | Ni | Cr | Fe | Al | Ti | W | Mn | C | Si |
---|---|---|---|---|---|---|---|---|---|---|
B3 | 28.5 | 65.0 Min | 1.5 | 1.5 | 0.50 Max | 0.2 Max | 3.0 Max | 3.0 Max | 0.01 Max | 10 Max |
Mechanical Properties of Grade B2 Socket Weld Couplings
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
---|---|---|---|---|---|
B2 | 9.2 G/Cm3 | 1370 °C (2500 °F) | Psi –1,10,000 , MPa –760 | Psi – 51,000 , MPa – 350 | 4o % |
B3 | 9.2 G/Cm3 | 1370 °C (2550 °F) | Psi – 1,15,000 , MPa –760 | Psi – 52,000 , MPa – 350 | 4o % |