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商品详情
1、16MnDR是低温压力容器钢板的一种。读作：十六锰低容
16Mn—表示钢板中碳含量大约在0.16%，D、R是“低”“容”拼音的个字母大写，D-表示低温，R-表示压力容器。(通常，钢中某种化学元素含量较高时需在材质中标明，比如1.6%的锰就写做16Mn，16MnDR是用于—40度压力容器用钢板。
16MnDR交货状态：正火三级以上探伤
2、探伤检查：
厚度大于20mm的钢板，供方应逐张作超声波探伤检查，厚度不大于20mm的，经双方协议，供方也可作超声波探伤。
3、定轧厚度：
新钢定轧厚度最厚为120mm，舞钢为120mm，舞钢超过120mm也可定轧，但是不保性能。
4、16MnDR执行标准：
4.1、钢板尺寸，外形及允许偏差应符合GB709的规定。
钢板的包装，标志及质量证明书应符合GB247的有关规定。
4.2、质量控制水平：钢水纯净度高，杂质含量极低，化学成分按照16MnDR最新执行标准GB 3531-2014
5、16MnDR化学成分
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牌号
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C
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Si
|
Mn
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Ni
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V
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Nb
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Al
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P
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S
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16MnDR
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≤0.20
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0.15-0.50
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1.20-1.60
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-
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-
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-
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≥0.02
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≤0.025
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≤0.012
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1. 16MnDR is a kind of steel plate for cryogenic pressure vessels. Read: sixteen manganese low volume
16Mn - indicates that the carbon content in steel plate is about 0.16%, D and R are the first letter of "low" and "rong" pinyin, D- means low temperature, R- means pressure vessel. (usually, when the content of a certain chemical element in steel is high, the material should be marked in the material. For example, 1.6 percent manganese is written as 16Mn. 16MnDR is used for the steel plate of -- 40 degree pressure vessel.
16MnDR delivery status: normalizing above level 3 flaw detection
2. Flaw detection:
For steel plate thickness greater than 20mm, the supplier shall perform ultrasonic inspection one by one. For steel plate thickness less than 20mm, the supplier may also perform ultrasonic inspection upon mutual agreement.
3. Fixed rolling thickness:
The thickness of new steel rolling is 120mm, wugang 120mm, wugang more than 120mm can also be rolling, but not guaranteed performance.
4. 16MnDR executive standard:
4.1 steel plate size, shape and allowable deviation shall comply with GB709.
The packing, marking and quality certificate of steel plate should comply with GB247.
4.2 quality control level: the purity of molten steel is high, the impurity content is extremely low, and the chemical composition is in accordance with 16MnDR latest executive standard GB 3531-2014
5. 16MnDR chemical composition
Brand C Si Mn Ni V Nb Al P S
16MnDR ≤0.20 0.15-0.50 1.20-1.60 -- - ≥0.02 ≤0.025 ≤0.012
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