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
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 % |