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■ Overview
Pressure vessel P460M steel plate owned the minimum yield strength at 460 Mpa for the plates thickness belows 16mm.When production this boiler steel plate P460ML1,the heat treatment shall be done under Thermomechanically rolled.Low temperature impacting test for steel grade P460ML1 shall be done at minus 40 centi degree.
■ Full Data
Technical Requirements & Additional Services for P460ML1 steel plate:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
■ Techicals
►Mechnical property for P460ML1 steel plate:
| Thickness(mm) | Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% |
| T≤16 | 460 | 530-720 | 17 |
| 16<T≤40 | 440 | ||
| 40<T | 430 |
►Chemical composition for P460ML1 steel plate (Heat Analysis Max%)
| Main chemical elements composition of P460ML1 steel plate | ||||||
| C | Si | Mn | P | S | Al (total) | N |
| 0.16 | 0.60 | 1.70 | 0.020 | 0.015 | ≥0.020 | 0.020 |
| Mo | Nb | Ni | Ti | V | Cr+Cu+Mo | |
| 0.20 | 0.05 | 0.50 | 0.05 | 0.10 | 0.60 | |
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