value added segments : en 10025-2 to -6 s690q-ql, s890ql, s960ql, 514 gr q, 517 gr f, sa 387, sa537, astm a 612, astm a285, astm a588 gr a, astm a871, en 10225-1 s355nlo to s460mlo, rockhard 400 to 500 & etc. general & special purpose segments: construction/general engineering : is, en & astm wind mill : is & en boiler pressure vessels : is & astm ship building : lr, rina, dnv, abs, irs, kr & etc line pipes & off-shore platforms : api 5l / api 2w, 2h & 2y yellow goods : customized grades for special purposes cranes mining equipment : customized grades for special purposes dams hydro application : is, en, astm & etc low pressure liquefiable gas cylinders : is or equivalent grades welded gas cylinders : is or equivalent grades welded containers : jis or equivalent grades welded tubes and pipes : is or equivalent grades