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■ Overview
BS Grade 275D OFFSHORE PLATFORM STEEL PLATE is one kind high tensile weldable structural steels to be used in the fabrication of fixed offshore structures.Steel plates with BS Grade 275D shall be supplied in normalized condition.The steel materials shall be made by any process except the bessemer process.Maximum product CEV for steel plate 275d shall be 0.41%.
■ Full Data
Technical Requirements & Additional Services for BS GR 275D steel plate:
♦ Z TEST (Z15,Z25,Z35) for through-thickness testing
♦ Charpy V-notch impacting test at -20 Degree centigrade
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Simulated post-weld heat treatment
♦ 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
♦ Z TEST (Z15,Z25,Z35) for through-thickness testing
♦ Charpy V-notch impacting test at -20 Degree centigrade
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Simulated post-weld heat treatment
♦ 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 BS 275D steel plate:
| Thickness (mm) | |||||||
| BS Grade 275D | ≤ 16 | > 16 ≤ 20 | > 20 ≤ 63 | > 63 ≤ 100 | > 100 ≤ 120 | > 120 | |
| Yield strength (≥Mpa) | 275 | 265 | |||||
| ≤ 100 | > 100 | ||||||
| Tensile strength (Mpa) | 430-580 | ||||||
►Chemical composition for BS 275D steel plate (Ladle Analysis Max%)
| Main chemical elements composition of BS grade 275D steel plate | ||||||||
| C | Si | Mn | P | S | V | Nb+V | Nb | N |
| 0.16 | 0.50 | 1.50 | 0.040 | 0.040 | 0.003-0.10 | 0.10 | 0.003-0.10 | |
| Cu | Alt | Cr | Mo | B | Ti | Ni | Cr+Mo+Ni+Cu | |
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