标准:ASTM A519, DIN1629, DIN2391, ASTM A513, BS6323, EN10305-1,尺寸标准JIS3441: 10.3mm - 711,2 mm, W.T.:Finisaj包:0.250“-4.00”,tra利用衰退:0.035“-0.875”Lungime: Lungime aleatorie, Lungime fixă,SRL DRL实验室。生产工艺:浸渍,标准化,精加工,精加工。研究生:Tubulaturămecanice: 1010, 1020, 1045, 1518, 4118, 4130, 4135, 4140桶pentru structuri: ST37.0, ST44.0, ST55 ST52