Description
| GB | GH4169 |
| ISC | H41690 |
| ASTM | Inconel 718 |
| UNS | Inconel 718 |
| ISO | NiCr19NbMo |
| EN | NiCr19NbMo |
| W-Nr. | 2.4668 |
Inconel718 alloy is a precipitation-hardened nickel-ferrochrome alloy containing niobium and molybdenum. It has high strength, good toughness and corrosion resistance at high and low temperatures up to 650℃.Supply state can be solution treatment or precipitation hardening state.Rho = 8.24 g/cm3 density
- Easy to process
- High tensile strength, fatigue strength, creep strength and fracture strength at 700℃
- High oxidation resistance at 1000℃
- Stable chemical properties at low temperature
- Good welding performance
It can be used to make high strength bolts, nuts, etc
Chemical element content(%)
| Inconel 718 | Min% | Max% |
| C | – | 0.08 |
| Si | – | 0.35 |
| Mn | – | 0.35 |
| P | – | 0.015 |
| S | – | 0.015 |
| Cr | 17 | 21 |
| Ni | 50 | 55 |
| Cu | – | 0.3 |
| Mo | 2.8 | 3.3 |
| Ti | 0.65 | 1.15 |
| Nb | 4.75 | 5.5 |
| B | – | 0.006 |
| Co | – | 1 |
| Pb | – | 0.0005 |
| Al | 0.2 | 0.8 |
| Se | – | 0.0003 |
| More | Bi 0.00003 or less;Fe: allowance | |
Fastener type
| BOLT | Hex bolt | DIN931(ISO 4014)
DIN933(ISO 4017) DIN961(ISO 8676) ANSI B18.2.1 JIS B1180 |
| Hex flange bolt | DIN6921
ANSI B18.2.1 |
|
| Carriage bolt | DIN603(ISO 8677)
ANSI B18.5 |
|
| Eye bolt | DIN580
DIN444 |
|
| Square head bolt | ASME B18.2.1
JIS B1182 |
|
| T bolt | DIN186
JIS B1166 |
|
| U bolt | DIN3570
IFI136 ASME B18.31.5 |
|
| Anchor bolt | ASME B18.31.5
JB/ZQ 4363 JB/ZQ4364 |
|
| SCREW | Hex socket screw | DIN912(ISO 4762)
DIN7984 DIN7991(ISO 10642) ISO 7380 ASME B18.3 |
| Machine screw | DIN963(ISO 2009)
DIN964(ISO 2010) DIN965(ISO7046) DIN966(ISO7047) ANSI B18.6.3P ANSI B18.6.3F DIN84(ISO 1207) DIN85(ISO 1580) |
|
| Set screw | DIN913(ISO 4026)
DIN914(ISO 4027) DIN915(ISO 4028) DIN916(ISO 4029 ) ANSI B18.3 |
|
| Tapping screw | ISO7049
ISO 7050 JIS B1122T DIN7982 DIN968 |
|
| Wooden screw | DIN571
ANSI B18.2.1 |
|
| NUT | Hex nut | DIN 934(ISO 4032)
ANSI B18.2.2 ANSI B18.2.4 DIN 936(ISO 4035) DIN 439(ISO 4036) ISO 8674(UNI 5587) |
| Hex flange nut | DIN6923(ISO 4161
ANSI B18.2.4.4M) IFI 145 |
|
| Lock nut | DIN985
DIN982 DIN980 DIN6926 ANSI B18.16.6 |
|
| Cover nut | DIN1587
DIN917 |
|
| Square nut | DIN557
DIN562 ANSI N18.2.2 |
|
| STUD | Stud | DIN975
DIN976 IFI136 |
| WASHER | Flat washer | DIN125(ISO 7089/ISO 7090)
DIN126(ISO 7091) DIN9021(ISO 7093) ANSI B18.22.1 |
| Spring washer | DIN127
DIN7980 |
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