Description
| GB | NS 3403 |
| ISC | H 06985 |
| ASTM | Hastelloy G-3 |
| UNS | N 06985 |
| ISO | Hastelloy G-3 |
| EN | Nicrofer 4023 hMo |
| W-Nr. | 2.4619 |
Hartz ultra low carbon alloy type, Ni, Mo, Cr series nickel-based hartz alloy, corrosion resistant, high temperature resistant material (Hastelloy), because it has excellent high temperature resistance, oxidation resistance, corrosion resistance weld influence area, has good long-term heat stability and machinability, in agricultural chemical, nuclear, biological, pharmaceutical and other harsh industrial environments are used.It in wet oxygen, sulfurous acid, acetic acid, formic acid and the strong oxidizing salt medium, also have excellent corrosion resistance, uniform corrosion, intergranular corrosion resistance, therefore also widely used in chemical industry, the conductivity of the alloy hartz gold and coefficient of thermal conductivity than mild steel is much lower, and the resistance rate and inflation rate are much higher than low carbon steel, the molten pool of liquidity is poor, poor wettability, penetration is small,Melting depth.
This is a nickel base alloy with superior performance, because of the high iron content in the alloy, compared with other nickel base corrosion resistant alloys, it has the characteristics of low cost.It is one of the most widely used second generation of Hastelloy alloy materials.
Corresponding material brand: Hastelloy G-3(manufacturer’s material);Sb-581 N06985 (AMSE);N06985 (US UNS)
Chemical element content(%)
| Hastelloy G-3 | Min% | Max% |
| Fe | 18 | 21 |
| C | – | 0.015 |
| Si | – | 1 |
| Mn | – | 1 |
| P | – | 0.04 |
| S | – | 0.03 |
| Cr | 21 | 23.5 |
| Cu | 1.5 | 2.5 |
| Mo | 6 | 8 |
| W | – | 1.5 |
| Co | – | 5 |
| More | Ta + Nb 0.5 or less;Ni: 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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