ZG 340-640 in GB/T 11352
Metal Type: Carbon Steel
Casting Process: Sand Casting or Lost Wax Precision Investment Casting
Standard: GB/T 11352
Old Chinese casting grade: ZG50
Similar Grade: BS3100 AW3; DIN 1681 GS70; ГОСТ 977 50Л
Heat treatment: Normalized or Anneal at 840-8600 ℃; Temper at 620-680 ℃
| C % | Si % | Mn % | P % | S % | Cr % | Ni % | Mo % | Cu % | V % | OTHERS | |
| MIN | |||||||||||
| MAX | 0.60 | 0.60 | 0.90 | 0.01 | 0.01 | 0.35 | 0.30 | 0.20 | 0.30 | 0.050 |
| BRINELL HARDNESS | TENSILE STRENGTH MPA | YIELD STRENGTH 0.2% offset MPA | ELONGATION % | REDUCTION OFAREA,MIN％ | IMPACT Kv min J(20℃) | |
| MIN | 640 | 340 | 10 | 18 | 10 | |
| MAX |
