Customization: | Available |
---|---|
Type: | Special Steel Bar |
Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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Product Description
Ni | Mo | Cr | Fe | W | Co | Mn | C |
Remainder | 8.0-10.0 | 20.5-23.0 | 17-20 | 0.2-1.0 | 0.5-2.5 | 1.0 Max | 0.05-0.15 |
P | S | Si | Al | Ti | B | Cu | |
0.04 Max | 0.03 Max | 1.0 Max | 0.5 Max | 0.15 Max | 0.01 Max | 0.5 Max |
Surface Finish |
Definition and Application |
No.1 | The surface is finished by heat treatment and pickling or processes corresponding theretoafter hot rolling |
2D | The finishes after cold rolling, by heat treatment, pickling or other equivalenttreatment |
2B | The finish after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to give an appropriate luster |
BA | Cold rolled, bright annealed and skin-passed, the product have excellent brightness and good reflexivity like mirror |
NO.3 | Polished with abrasive belt of grit#100~#200,have better brightness with discontinuous coarse stria |
NO.4 | Polished with abrasive belt of grit#150~#180,have better brightness with discontinuous coarse stria |
HL | Polished with abrasive belt of grit#150~#320 on the NO.4 finish and has continuous streaks |
8K | The product have excellent brightness and prefect reflexivity can be the mirror |
Finish | Thickness | Characteristics | Applications |
No. 1 | 3.0mm~50.0mm | Finished by hot-rolling, annealing and pickling, characterized by white pickled surface | Chemical industry equipment, Industrial tanks |
No. 2B | 0.3mm~6.0mm | Finished by heat treatment, pickling after cold rolling, followed by skin pass line to be more brighter and smooth surface | General Application Medical Instruments,Tableware |
No. BA (Bright Annealed) |
0.5mm~2.0mm | Bright heat treatment after cold rolling | Kitchen utensil, kitchen ware,architectural purpose |
No. 4 | 0.4mm~3.0mm | Polishing with No. 150 to No.180 mesh abrasivesThe most popular finishes | Milk & Food processing acilities, Hospital Equipment, Bath-tub |
No. 8 | 0.5mm~2.0mm | A mirror-like reflective surface by polishing with finer abrasives over 800 mesh | Reflector, Mirror, Interior-Exterior decoration forbuilding |
HL(Hair Line) | 0.4mm~3.0mm | Finished by continuous linear polishing | Architectural purposes, escalators, kitchen ware vehicles |