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 |






