Technically: Hot-rolled / Cold-rolled
Shape: Coil/Plate/Sheet/Strip/Circle/Tubes/Pipes
Main Grade: 300# series,
301: mainly 6Ni generally, and for food producing equip., standard chemical equip., nuclear energy, etc.
304: mainly 8Ni generally, and widely used, for food industry, house appliance, cookers,etc.
309: mainly 10Ni, for steamer, exhaust machines, heat exchanger, ets.
310: mainly 10Ni, for steamer, exhaust machines, heat exchanger, ets.
Grade: 200# series,
201/202: 1Ni ; Ni0.5-0.6; Ni0.3-0.4 mainly for decoration pipes, industrial pipes, light extent materials (higher Cu percentage).
Grade: 400# series,
409： for car exhaust pipes, containers that no need to be heat-processed after welding;
410: mainly for knife, cutter, machine spare parts, oil fine refinery equip., etc
430: for heating instruments, firing, and house appliances;
Surface : 2B cold-rolled, usually widely used for surface processing, mainly matte;
BA after processing, mirror like
8K shining and bright, mirror
6K, shining degree, and one side or both side
No.1 (Hot rolled): mainly the big tanks in oil-chemical factories, the outside surface ; black HRB or white ones (white ones after pickled processing.)
In small steel factory，China BA is 2BB Taiwan，2BMirror, surface has roll prints.
Euro BA, is from China BA, processing to 6k（one time grinding），8k（twice grinding）, one side or both side;
HL: hairlines, showing like longer sanded;
No.4: sanded, but short lines;
Pearlescent Coating: for decoration, mainly to Turkey;
Titanium plate: mainly for decoration, and to Egypt, Turkey, Saudi…
Edge: Mill (1.25m wide mainly ) or Slit edge (for 1m, 1.219m mainly)
Specification:
Grade, surface, edge, thickness, wide, length, diameter (outer, inner);
Such as: Coil: 304#BA Slit 0.37*690*c
Circle: 304#BA Slit 0.37*Dia500
Sheet: 201#2B Slit 0.37*690*1500
Packing protection:
Paper interleaf, or PVC coated,
PE blue color, Laser film coated, specially for less scratches;
For coil or strip, mainly standard export packing on wooden pallets, fasten with steel belt;
For plate or circle, standard export packing with wooden box.
