Description
| GB | 06Cr18Ni11Nb |
| ISC | S34778 |
| CNS | 347 |
| JIS | SUS 347 |
| KS | STS 347 |
| ASTM | 347 |
| UNS | S34700 |
| ISO | X6CrNiNb 18-10 |
| EN | X6CrNiNb 18-10 |
| W-Nr. | 1.4550 |
SUS347 (347/S34700/0Cr18Ni11Nb) is a kind of steel, austenitic stainless steel with good resistance to crystalline corrosion.
It has good corrosion resistance in acid, alkali and salt solution, and has good oxidation resistance and weldability in the air below 800 ℃. 347 stainless steel has excellent high temperature stress rupture (Stress Rupture) performance and high temperature creep resistance (Creep Resistance) stress mechanical properties are better than 304 stainless steel. It is widely used in aviation, power generation, chemical, petrochemical, food, papermaking and other fields.
Chemical element content(%)
| 347 | Min% | Max% |
| C | – | 0.08 |
| Si | – | 1 |
| Mn | – | 2 |
| P | – | 0.045 |
| S | – | 0.03 |
| Cr | 17 | 19 |
| Ni | 9 | 13 |
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(ISO7089/ISO7090)
DIN126(ISO 7091) DIN9021(ISO 7093) ANSI B18.22.1 |
| Spring washer | DIN127
DIN7980 |
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