一、12Cr1MoV执行标准
12Cr1MoV读作（十二铬一钼钒）、是一种主要以Cr、1Mo为主的合金结构钢，12表示含碳量在0.12%、Cr表示加入的化学元素“络”、1Mo表示加入的化学元素“钼”，V表示加入的化学元素“钒”，12Cr1MoV国标合金结构钢板，执行标准:GB/T3077-2015、12Cr1MoV具有很好的的抗氧化性及抗热性能。
1、 12Cr1MoV
12Cr1MoV, pronounced as (Twelve Chromium Molybdenum Vanadium), is a type of alloy structural steel mainly composed of Cr and 1Mo. 12 represents a carbon content of 0.12%, Cr represents the added chemical element "complex", 1Mo represents the added chemical element "molybdenum", V represents the added chemical element "vanadium". 12Cr1MoV is a national standard alloy structural steel plate, and the execution standards are GB/T3077-2015. 12Cr1MoV has good oxidation resistance and heat resistance.
二、12Cr1MoV的化学成分含量
硅 Si：0．17～0．37
锰 Mn：0．40～0．70
铬 Cr：0．90～1．20
钒 V ：0．15～0．30
钼 Mo：0．25～0．35
硫 S ：允许残余含量≤0.035
磷 P ：允许残余含量≤0.035
2、 Chemical composition content of 12Cr1MoV
Silicon Si: 0.17-0.37
Manganese Mn: 0.40~0.70
Sulfur S: ≤ 0.035
Phosphorus P: ≤ 0.035
Chromium Cr: 0.90~1.20
Vanadium V: 0.15~0.30
Molybdenum Mo: 0.25~0.35
三、12Cr1MoV的力学性能
抗拉强度 σb （MPa）：417～637
屈服强度 σs （MPa）：≥255
伸长率 δ5 （%）：≥21
断面收缩率（ψ/%）：≥50
冲击吸收功（Aku2/J）：≥71
冲击韧性值αkv (J/cm2)：≥88(9)
3、 Mechanical properties of 12Cr1MoV
Tensile strength σ B (MPa): 417-637
Yield strength σ S (MPa): ≥ 255
Elongation rate δ 5 (%): ≥ 21
Reduction of area（ ψ/%）：≥ fifty
Impact absorption energy (Aku2/J): ≥ 71
Impact toughness value α KV (J/cm2): ≥ 88 (9)
四、12Cr1MoV钢板的交货状态：
12Cr1MoV钢板主要在正火及高温回火后使用，正火，980～1020℃;回火，720～750℃空冷。
4、 Delivery status of 12Cr1MoV steel plate:
12Cr1MoV steel plate is mainly used after normalizing and high-temperature tempering, normalizing at 980-1020 ℃; Tempering, air cooling at 720-750 ℃.
五、12Cr1MoV的现货库存规格
舞钢12Cr1MoV现货库存规格一般在4mm～300mm之间
5、 Spot inventory specifications for 12Cr1MoV
The spot inventory specifications of Wugang 12Cr1MoV are generally between 4mm and 300mm
六、12Cr1MoV钢板的生产工艺：
电炉炼钢－LF炉精炼－VD炉真空脱气－轧板－探伤－正火－回火－钢板精整－性能检验。
6、 Production process of 12Cr1MoV steel plate:
Electric furnace steelmaking - LF furnace refining - VD furnace vacuum degassing - plate rolling - flaw detection - normalizing - tempering - steel plate finishing - performance inspection.
七、表面质量
对钢板和钢带的表面质量进行直接目视检测、钢板表面不允许存在裂纹、气泡、结疤、折叠和夹杂等对使用有害的缺陷。
7、 Surface quality
Direct visual inspection of the surface quality of steel plates and strips, and no defects such as cracks, bubbles, scars, folds, or inclusions that are harmful to use are allowed on the surface of the steel plates.
八、计算方式
计算理论重量的钢板的密度为7.85 g /cm3,容器板需要加附加值
8、 Calculation method
The density of the steel plate used to calculate the theoretical weight is 7.85 g/cm3, and additional value needs to be added to the container plate
九、12Cr1MoV的应用范围
12Cr1MoV钢板多用于制作机械产品中较重要和尺寸较大的零、部件以及高压管道、容器，用于高压锅炉(工作压力一般在9.8Mpa以上，工作温度在450°C∼650°C之间)的过热器、再热器、受热面管子、省煤器、石化工业用管、管壁温度≤580℃高压锅炉以上的过热器管、集箱和蒸汽管道的主要钢种、12Cr1MoV优质合金结构钢更具优良的综合力学性能，
9、 Application scope of 12Cr1MoV
12Cr1MoV steel plate is mainly used for making important and large-sized parts and components in mechanical products, as well as high-pressure pipelines and containers. It is used for superheaters, reheaters, heating surface pipes, economizers, petrochemical industry pipes, superheater pipes, headers, and steam pipes in high-pressure boilers (with a working pressure generally above 9.8Mpa and a working temperature between 450 ° C and 650 ° C). 12Cr1MoV high-quality alloy structural steel has better comprehensive mechanical properties,
十、12Cr1MoV的对应美标牌号
12Cr1MoV钢属于铬钼钒钢。对应美标钢号为ASTMA335P11/ASMEA213T11，12cr1mov对应ASME材料是美标P11
10、 Corresponding American standard grade of 12Cr1MoV
12Cr1MoV steel belongs to chromium molybdenum vanadium steel. The corresponding American standard steel grade is ASTMA335P11/ASMEA213T11, and the corresponding ASME material for 12cr1mov is American standard P11
十一，12Cr1MoV总结
12Cr1MoV是一种铬钼钒钢，具有特定的化学成分和力学性能。其生产工艺严格，表面质量要求高。主要用于制作高压锅炉、石化工业用管等重要部件。对应美标钢号为P11。
11、 12Cr1MoV Summary
12Cr1MoV is a chromium molybdenum vanadium steel with specific chemical composition and mechanical properties. Its production process is strict and requires high surface quality. Mainly used for making important components such as high-pressure boilers and petrochemical industry pipes. The corresponding American standard steel grade is P11.
