Specification and appearance quality
(1) GB3087-2008 specification for seamless steel中文版中文版 tubes for low and medium pressure boilerMV丁香花s. Specifications for various structural boiler steel tubes, 1在線成全0~426mm, in total, 43 kinds. The wall thickness 1.5~26mm amounts to 29 species. But the superheated steam pipe, boiler flue tube, 美麗好姑娘pipe and brick arch pipe diameter and wa直播藝術ll thickness of otherwise specified.
(2) GB5310-2008 "seamless steel tubes for hi資源TVgh-pressure boilers". The outer diameter of hot rolle資源成全d pipes is 22~530mm, and the wall thickness is 20~70mm. Cold drawn (Leng Zha) pipe outer diameter 10~108mm, 直播免費wall thickness 2.0~13.0mm unequal.
(3) GB3087-2008 seamless steel pipe for low and medium pres姑娘GOsure boiler and GB5310-95 seamless steel pipe姐姐免費 for high-pressure boiler. Appearance quality: high pressure boiler tubes are not a好姑娘GOllowed to crack, fold, roll, fold, scab, s丁香花資源eparation and hairline. These defects should be completely removed. The cleaning depth shall not exceed the nomin姐姐藝術al deviation of the wall thickness, and the actual 視頻動漫wall thickness at the cleaning site shall not be sMV丁香花maller than the minimum allowed by the wall thickness美麗MV.
High pressure boiler tube is a kind of boiler tube, wTV丁香花hich belongs to the category of seamless steel pipe. The manufacturing methods are the same as thos免費美麗e for seamless tubes, but they have strict requiremGO動漫ents for the steel grades used in the manufacture TV丁香花of steel pipes. High pressure boiler tubes are often used丁香花飄雪 in high temperature and high pressure cond丁香花姑娘itions.
High pressure boiler tube is mainly used to manuf姐姐美麗acture high-pressure and ultrahigh pressurMV丁香花e boiler superheater, reheater pipe, main steam pipe 高清版藝術etc..
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