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Material Specifaction (Steel)Type: Cold Drawn Specs:St. 35.4 Material NQ1.0309 Din 629-4 equivalent to (STS38(old), SRS370 (new) JIS G3455; ATMA179(Grade A); BS 3606 (Grade CFS 320); Belgian NBN Type D37-2 (NBN grade 6329(3b)); afnor Type TUS37 C NQA49-213(3a), NQA49-0215(3a); Italian Uni type C14 NO5462; EN10027-1,2 Material DX55D,S2351-Form state & Dimension:FormStainless Steel PipeStateRight drawn, soft, the tubes must have a smooth internal and external surface.Dimension45x8mm with commercial length.2-Chem. Composition:%CSiMnPSMin.-0.10.4-Max.0.170.35-0.050.053-Mech. Requirement:ConditionYield str. Kg/mm2Tensile str. Kg/mm2ElongationAS delivered 235-45Min 25 4-Delivery Text:1-Visual & Dimensions.2-Chem. Analysis.3-Mech. Properties.4-Macroscopic texts.5-Microscopic examination. 6-Soundless testA)Texts 1,2,3,4 & 6 only to be madeB)Test samples to be taken from every individual heat macrostructure of steel must have contraction cavities and grain boundary cracks, bubbles, big cavities stratifications, flaws, spots or flaks seen without magnifying glass.