S32750 / 2550 / 1.4507 / X2CRNIMOCUN25-6-3 Duplex Steel Pipe / A789 Seamless and Welded

zheheng steel as professional producer for duplex steel pipes ,X2CRNIMOCUN25-6-3 Super Duplex Steel Pipe seamless stainless steel pipes ,S32750 duplex steel pipes seamless duplex steel pipe ,1.4507 duplex steel pipe, 2550 duplex steel pipe ,, ASTM A789 ,ASTM A790 duplex steel pipe ,s37550 super duplex steel pipe ,Standard Specification for
Seamless and Welded Ferritic/Austenitic Stainless Steel
Tubing for General Serviceand we are also could supply to you

steel sheets, steel plates, steel coils, steel pipes, steel tubes, steel bars, steel circles, square steel, hexagonal bar, steel tube, steel pipe fittings, flanges, etc. And also we can produce according to the requirments of the costomer. The production capacity of our company is anout 200000 tons per year. .

S32750 / 2550 / 1.4507 / X2CRNIMOCUN25-6-3 Super Duplex Steel Pipe chemical composion

we are also supply other steel grade regularly

Repair by Welding
For welded pipe of size NPS 6 or larger with a specified wall thickness of 0.188 in. [4.8 mm] or more, weld repairs made with the addition of compatible filler metal may
be made to the weld seam with the same procedures specified for plate defects in the section on Repair by Welding of Specification A 999/A 999M.
Weld repairs of the weld seam shall not exceed 20 % of the seam length.

SUPPLEMENTARY REQUIREMENTSFOR PIPE REQUIRING SPECIAL CONSIDERATION
One or more of the following supplementary requirements shall apply only when specified in the purchase order. The purchaser may specify a different frequency of test or analysis than is provided in the supplementary requirement. Subject to agreement between the purchaser and manufacturer,retest and retreatment provisions of these supplementary requirements may also be modified.

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