Factors to consider when choosing sheet metal material for fabrication
| Material | Surface finish | Yield (MPA) | Tensile (MPA) | Hardness | GB standard | Sheet Metal | CNC | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Powder coating | E-Coating | Zinc plating | Dacromet | Anodized | Passivation | |||||||
| Cold Rolled Steel (CRS) | ||||||||||||
| SPCC | ≥210 | ≥350 | HB 65 - 80 | JIS G3141-2009 | ||||||||
| SAPH440 | ≥305 | ≥440 | HB 80 ±30 | Q/BQB 310-2009 | ||||||||
| Hot Rolled Steel | ||||||||||||
| #20 | ≥245 | ≥410 | ≥143 | GB/20CrNiMo | ||||||||
| Q235 | ≥235 | 375 – 500 | HB 120 ±40 | GB/T 700-2006 | ||||||||
| Q345 | ≥345 | 490 – 675 | HB 120 ±40 | GB/T 1591-2008 | ||||||||
| Spring Steel | ||||||||||||
| 65Mn | ≥785 | ≥980 | HB 190 – 340 | GT/T 1222-2007 | ||||||||
| Aluminum | ||||||||||||
| AL1060 | ≥35 | ≥75 | HB 26 ±5 | GB/T 3190-2008 | ||||||||
| AL6061 T6 | ≥276 | ≥260 | HV 15 – 18 | GB/T 3190-2008 | ||||||||
| AL6063 T5 | ≥170 | ≥250 | HB 25 ±5 | GB/T 3190-2008 | ||||||||
| AL5052 H32 | ≥70 | 210 – 260 | HV 11 ±2 | GB/T 3190-2008 | ||||||||
| AL7075 T6 | ≥503 | ≥572 | HB 150 ±5 | GB/T3880-2017 | ||||||||
| Stainless Steel | ||||||||||||
| SS301 | ≥205 | ≥520 | HB 76 – 187 | GB/T 8170-2008 | ||||||||
| SS304 | ≥205 | ≥520 | HB 76 – 187 | GB/T 24511-2009 | ||||||||
| SS316 | ≥205 | ≥520 | HB 76 – 187 | GB/T 24511-2009 | ||||||||
| Cold Galvanized Steel | ||||||||||||
| SGCC | ≥200 | ≥380 | HB 50 – 65 | JIS-G3302 | ||||||||
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