ISO9477 steel grade 410-620 is one high strength popular steel material in casting purpose. Generally it’s Low Alloy Carbon Steel.
ISO 9477 – 2015 High strength cast steels for general engineering and structural purposes
Grade 410-620 Casting Chemical Requirements and Mechanical Property:
All steel grade in ISO 9477 has below chemical requirements:
Silicon: 0.60 max
Sulfur: 0.025 max
Phosphorus: 0.030 max
Other chemical composition shall be selected by an agreement between the manufacture and the purchaser. But the Carbon Equivalent (CE) is defined as bellows:
CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
Recommend Chemistry based on our experience:
Chinese grade ZGD410-620. www.castingquality.com
| Grade | C % | Si % | Mn % | P % | S % | Cr % | Ni % |
| ZGD410-620 | 0.2 | 0.75 | 0.4-0.7 | 0.04 | 0.04 | 4-6 | 0.4 |
| ZGD410-620 | 0.22-0.3 | 0.5-0.8 | 1.30-1.6 | 0.035 | 0.035 | – | – |
Grade 410-620 Casting Mechanical Properties at Ambient Temperature:
TENSILE STRENGTH: 620-770 MPa
YIELD STRENGTH:410 MPa min
ELONGATION: 16% min
REDUCTION OF AREA: 40% min
IMPACT ENERGY: 20J
1MPa = 1 N/MM2
Ambient temperature is taken as 23±5 ºC
Hardness reference: 179-250HBS
Grade 410-620 Casting Heat treatment process: generally all castings need to be tempered. To get the good mechanical property, generally 410-620 need normalizing and tempering
Manufacture Process: Sand Casting, Precision Lost Wax Investment Casting.
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Metal Castings
Method: Investment Casting Material: Carbon Steel Casting, Stainless Steel Casting If necessary, we also supply ductile iron products by investment casting method. Pump fitting, include pump body, pump impeller and pump cover, are our mainly casting products. Some products are suitalbe for sand casting, you should compare the dimension tolerance and machining cost, to choice […]
Method: Investment Casting Material: Stainless Steel, SS304, SS316, CF8,CF8M Investment casting can get a good surface finish and precision dimension. it is suitalbe to do products which weight is less than 30kgs. Pls send you drawings with weight and meterial, we will quote you a competitive price.
