WYJ050-2004 12Cr2Mo1R steel plate
2012年3月9日 by admin
1, application scope : the project technology conditions reference to GB150-98 standard applicable to the 12 Cr2Mo1R steel plates that the thickness no more than 150mm
2, the steel plate size and shape, weight and allow deviation.
2.1 the size of the steel plate, shape, weight and deviation should be allowed to meet the provisions of GB6654-96 standard.
2.2 the rangeof thickness of the steel plate comply with GB6654, tolerance zone move up to deviation the supply .
Plates shall be according to theoretical weight 2.3 to delivery, the added value of the nominal thickness according to the provisions of the GB6654 add 0.25 mm calculation.
3 and technical requirements
3.1 chemical composition (melting analysis) should comply with the provisions of the table of under (Wt %).
| C | Si | Mn | P | S | Cr | Mo |
| ≤ 0.17 | ≤ 0.50 | 0.30~ 0.60 | ≤ 0.012 | ≤ 0.015 | 2.00~ 2.50 | 0.90~ 1.10 |
3.2 melting methods: use electric furnace + LF/VD concise method smelting.
3.3 delivery status: normalized and backfiring.
3.4 the simulation welding steel heat treatment with thick performance under the provisions of the table. Sample simulation thick welding heat treatment system: temperature 690 ± 10 ℃; Holding time: 8 hours.
| Thick mm | Room temperature tensile | 0℃AKV | Cold bend 180 | ||
| RVeL MLPa | RM MPa | A （%） | average valueJ | ||
| 8~60 | ≥ 310 | 515~690 | ≥18 | ≥47 | D=3a |
3.5 high temperature tensile test according to furnace : 70 mm and 72 mm inspection 482 ℃ tensile δ0.2≥174Mpa; 50 mm, 52 mm inspection 302 ℃ tensile δ0.2≥250Mpa; 44 mm, 48 mm, 20 mm inspection 427 ℃ tensile δ 0.2δ0.2≥235Mpa.
3.6 steel plate ultrasonic examination Comply with stipulation of JB4730-94 one piece after another, Ⅱ class qualified.
3.7 the steel plate surface quality should comply with the regulations of the GB6654-96 standard.
4, steel, the sampling method, the experimental method and acceptance rules should comply with the provisions of the GB6654-96 standard.
5, steel plates of the package, mark and quality certificate should comply with the GB/T247-97 standard rules.
5.1 the logo and the quality certificate steel plate, grade of steel according to "12 Cr2Mo1R" mark and print, standard number according to "WYJ050-2004" mark and print.
6, matters not to conform execution the GB6654 -96 standard rules.
Tags: 12Cr2Mo1R 12Cr2Mo1R steel plate WYJ050-2004 WYJ050-2004 steel plate
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