20px arial, helvetica, sans-serif; white-space: normal; color: rgb(85,85,85); vertical-align: baseline; border-top: 0px; border-right: 0px; word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px\"> The EN 10216 Euronorm replaces the old DIN 17175 and DIN 1629standards. This standard is designed for pipes used in pressure applications, such as a pipeline. This is why the associated steel qualities are designated by the letter P for ‘Pressure’. The value that follows this letter designates the minimum yield strength. The subsequent letter designations provide additional information.

1 arial, helvetica, sans-serif; white-space: normal; color: rgb(85,85,85); vertical-align: baseline; border-top: 0px; border-right: 0px; word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px\"> THE EN 10216 COMPRISES SEVERAL PARTS. THE PARTS THAT ARE RELEVANT TO US ARE AS FOLLOWS:

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EN 10216 Part 1: non-alloy pipes with specified properties at room temperature

EN 10216 Part 2: non-alloy pipes with specified properties at higher temperatures

EN 10216 Part 3: alloy pipes made from fine-grained steel for any temperature

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20px arial, helvetica, sans-serif; white-space: normal; color: rgb(85,85,85); vertical-align: baseline; border-top: 0px; border-right: 0px; word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px\"> We are one of the professional China manufacturers work at EN 10216-1(EN 10216-1 steel tubing).

20px arial, helvetica, sans-serif; white-space: normal; color: rgb(85,85,85); vertical-align: baseline; border-top: 0px; border-right: 0px; word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px\"> This part of EN10216 may also be applied for tubes of non-circular cross section; necessary modification should be agreed a time of enquiry and order.

1 arial, helvetica, sans-serif; white-space: normal; color: rgb(85,85,85); vertical-align: baseline; border-top: 0px; border-right: 0px; word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px\"> Some examples:

20px arial, helvetica, sans-serif; white-space: normal; color: rgb(85,85,85); vertical-align: baseline; border-top: 0px; border-right: 0px; word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px\"> EN 10216-1, QUALITY P235TR2 (FORMERLY DIN 1629, ST.37.0)

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P = Pressure

235 = minimum yield strength in N/mm2

TR2 = quality with specified properties relating to aluminum content, impact values and inspection and test requirements. (In contrast to TR1, for which this is not specified).

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P = Pressure

235 = minimum yield strength in N/mm2

GH = tested properties at higher temperatures

1 arial, helvetica, sans-serif; white-space: normal; color: rgb(85,85,85); vertical-align: baseline; border-top: 0px; border-right: 0px; word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px\"> EN 10216-3, QUALITY P355 N (MORE OR LESS EQUIVALENT TO DIN 1629, ST.52.0)

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P = Pressure

355 = minimum yield strength in N/mm2

N = normalized*

20px arial, helvetica, sans-serif; white-space: normal; color: rgb(85,85,85); vertical-align: baseline; border-top: 0px; border-right: 0px; word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px\"> * Normalized is defined as: normalized (warm) rolled or standard annealing (at a min temperature of 930°C). This applies to allqualities designated by the letter ‘N’ in the new Euro Standards.