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Seamless steel tube p355nh,P355NH seamless pipe mill certificate
Seamless steel tube p355nh comes from European standard specification EN 10216-3 which is alloy fine grain steel tubes for pressure purposes.Fine grain steel means steel having a ferritic grain size equal to or finer than 6 in accordance with EURONORM 103.
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Seamless steel tube p355nh, P…NH designation the elevated temperature quality.
P…N designation means the basis quality
P…NL1 designation means the low temperature quality
P…NL2 designation means the special low temperature quality
P355NH seamless pipe mill certificate issued with EN 10204 3.1 OR EN 10204 3.2 format
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