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不锈钢常压人孔和手孔的材料选取要求

时间:2013-03-02 14:29来源:米勒产品研发部 作者:米勒产品研发部 点击:
不锈钢常压人孔孔和手孔用材料要求: 一、不锈钢常压人孔和手孔材料应符合JB/T 4735-1997第4章中的有关规定。非不锈钢常压人孔和手孔材料应符合GB150 1 998第4章和附录A以及《压力容器
不锈钢常压人孔孔和手孔用材料要求:
一、不锈钢常压人孔和手孔材料应符合JB/T 4735-1997第4章中的有关规定。非不锈钢常压人孔和手孔材料应符合GB150 1 998第4章和附录A以及《压力容器安全技术监察规程》(1999)第二章中的有关规定,其中低温人孔和手孔还应符合GB 150 1998附录C中C2的规定。
Stainless steel atmospheric manhole hole and hand hole with material requirements:
A stainless steel atmospheric manholes and hand holes material shall comply with the relevant provisions of the JB / T 4735-1997 Chapter 4. Non-stainless steel atmospheric manholes and hand holes material should be consistent with the GB150 1 998 and Appendix A "Pressure Vessel Safety Supervision Regulations" (1999), the relevant provisions of Chapter II, in which low-temperature manholes and hand holes should comply with the provisions of GB 150 1998 Appendix C C2.
二、不锈钢人孔用各种钢材标准如下:
    1 Q235-A.F、Q235-B;20 R、16MnR、15CrMoR; 16MnDR、09MnNiDR钢板应分别符合GB/T 3274、GB 6654和GB 3531的规定。OOCr19N110、OCr18N19、OCr18NilOTi、OOCr17N114M02、OCr17N112M02高合金钢板应符合GB/T 4237的规定。
    2 不锈钢人孔用20号钢无缝钢管应符合GB/T 8163或GB 9948的规定;15CrMo和16Mn无缝钢管应分别符合GB 9948或GB 6479的规定; OOCr19Nil0、 OCr18N19、 OCr18NilOTi、 OOCr17N114M02、OCr17N112M02高合金无缝钢管应符合GB/T 14 976的规定。
Stainless steel manhole with a variety of steel standards are as follows:
    1 Q235-A. F, Q235-B; 20 R, 16MnR, 15CrMoR; 16MnDR 09MnNiDR steel plate shall conform to GB / T 3274, GB 6654 and GB 3531 provisions. OOCr19N110, OCr18N19, OCr18NilOTi, OOCr17N114M02, OCr17N112M02 high alloy steel plates shall conform to the provisions of GB / T 4237.
    2 stainless steel manhole with No. 20 steel seamless steel pipe shall conform to the provisions of GB / T 8163 or GB 9948; 15CrMo and 16Mn seamless steel pipe shall conform to the provisions of GB 9948 GB 6479; OOCr19Nil0, OCr18N19, OCr18NilOTi, OOCr17N114M02, OCr17N112M02 high alloy seamless steel pipe shall conform to the requirements of GB / T 14 976.
    3 Q235-A.F型钢、Q235-A紧固零件材料应符合GBlT 700昀规定。
    4 25号、35号和45号钢紧固零件材料按照GBlT 699的规定。
    5 20号、35号钢锻件按照JB 4726标准的规定。
三、不锈钢人孔用不锈钢板材和食品级硅胶、耐酸耐碱耐高温密封圈应分别符合GB/T 3985和GB/T 539的规定。
 3 Q235-A. F section steel, Q235-A fastening parts and materials shall comply with the the GBlT 700 Yun provisions.
    425, No. 35 and No. 45 steel fastening parts and materials in accordance with the provisions of the GBlT 699.
    520, No. 35 steel forgings in accordance with the provisions of the standard JB 4726.
, Stainless steel manhole with a stainless steel plate and food-grade silicone, acid and alkali resistant high temperature seals should be in line with GB / T 3985 and GB / T 539 provisions.
四、耐油和不耐油橡胶板应符合GB/T 5574的规定。采用GB/T 5574中拉伸强度大于或等于10MPa,扯断伸长率大于或等于350%,公称硬度60—70 IRHD(国际硬度)的光面板材料。
Fourth, the oil and non-oil and rubber board shall comply with the provisions of GB / T 5574. Adopt GB / T 5574 tensile strength greater than or equal to 10MPa, elongation at break of greater than or equal to 350% of nominal hardness of 60-70 IRHD (International hardness) light panel material.
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