Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
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310MoLN S31050 1.4466 725LN hex bolt nut washer DIN933 DIN934 DIN125
1. Material Introduction for 725LN
High Ni and Mo austenitic grade with similar corrosion resistance to 904L. Typically used in Urea applications. Available as plate only.
Typical applications
The chemical composition is given as % by weight.
| C | Mn | Cr | Ni | Mo | N | Other | ||
| Typical | 0.01 | 25.0 | 22.3 | 2.1 | 0.12 | |||
| ASME II A SA-240 | ≤0.020 | ≤2.0 | 24.0-26.0 | 20.5-23.5 | 1.6-2.6 | 0.09-0.15 | ||
| ASME SA/EN 10028-7 | ≤0.020 | ≤2.00 | 24.00-26.00 | 21.00-23.00 | 2.00-2.50 | 0.10-0.16 | ||
| ASTM A240 | ≤0.020 | ≤2.00 | 24.0-26.0 | 20.5-23.5 | 1.60-2.60 | 0.09-0.15 | ||
| EN 10028-7 | ≤0.020 | ≤2.00 | 24.00-26.00 | 21.00-23.00 | 2.00-2.50 | 0.10-0.16 | ||
| EN 10088-2 | ≤0.020 | ≤2.0 | 24.0-26.0 | 21.0-23.0 | 2.0-2.5 | 0.10-0.16 | ||
| EN 10088-4 | ≤0.020 | ≤2.0 | 24.0-26.0 | 21.0-23.0 | 2.0-2.5 | 0.10-0.16 | ||
| IS 6911 | ≤0.20 | ≤2.0 | 24.0-26.0 | 20.5-23.5 | 1.60-2.60 | 0.09-0.15 | ||
| Linde Doc. 10214076 | ≤0.020 | ≤2.00 | 24.00-26.00 | 21.00-23.00 | 2.00-2.50 | 0.10-0.16 |
The mechanical properties of the available products are given in the table below.
| Standard | Rp0.2 | Rp1.0 | Rm | Elongation | Impact strength | Rockwell | HB | HV |
| MPa | MPa | MPa | % | J | ||||
| Product type: Cold rolled coil and sheet | ||||||||
| ASTM A240 | ≥ 255 | ≥ 540 | ≤ 95HRB | ≤ 217 | ||||
| IS 6911 | ≥ 255 | ≥ 540 | ≤ 95HRB | ≤ 217 | ||||
| Product type: Hot rolled coil and sheet | ||||||||
| ASTM A240 | ≥ 255 | ≥ 540 | ≤ 217 | |||||
| IS 6911 | ≥ 255 | ≥ 540 | ≤ 95HRB | ≤ 217 | ||||
| Product type: Hot rolled quarto plate | ||||||||
| Typical (thickness 15 mm) | 280 | 300 | 630 | 55 | ||||
| ASME II A SA-240 | ≥ 255 | ≥ 540 | ≤ 95HRB | ≤ 217 | ||||
| ASME SA/EN 10028-7 | ≥ 250 | ≥ 290 | 540-740 | ≥ 40 | ||||
| ASTM A240 | ≥ 255 | ≥ 540 | ≤ 95HRB | ≤ 217 | ||||
| EN 10028-7 | ≥ 250 | ≥ 290 | 540-740 | ≥ 40 | ||||
| EN 10088-2 | ≥ 250 | 540-740 | ≥ 40 | |||||
| EN 10088-4 | ≥ 250 | ≥ 290 | 540-740 | ≥ 40 | ||||
| IS 6911 | ≥ 255 | ≥ 540 | ≤ 95HRB | |||||
Data according to EN 10088, EN 10095 or typical values.
| Density | Modulus of elasticity | Thermal exp. at 100 °C | Thermal conductivity | Thermal capacity | Electrical resistance | Magnetizable |
| kg/dm3 | GPa | 10-6/°C | W/m°C | J/kg°C | µΩm | |
| 8,0 | 195 | 15,7 | 14 | 500 |
2. 310MoLN S31050 1.4466 725LN hex bolt nut washer common test
