Tubes and solids | Allowance | Tolerance | Allowance | Tolerance |
on finished size | cast size | on finished size | cast size | |
O.D. | O.D. | I.D. | I.D. | |
0 - 76 mm | 1,3 mm | + 0 / + 0,6 mm | - 1,3 mm | - 0 / - 1,1 mm |
76 - 114 mm | 2,0 mm | + 0 / + 0,8 mm | - 2,3 mm | - 0 / - 1,4 mm |
114 - 140 mm | 2,7 mm | + 0 / + 1,0 mm | - 2,5 mm | - 0 / - 1,7 mm |
140 - 229 mm | 4,1 mm | + 0 / + 1,3 mm | - 3,4 mm | - 0 / - 1,9 mm |
Rectangles | Allowance | Tolerance | Allowance | Tolerance |
on finished size | cast size | on finished size | cast size | |
Thickness | Thickness | Width | Width | |
0 - 140 mm | 1,7 mm | + 0 / + 1,0 mm | 1,1 mm | + 0 / + 1,0 mm |
140 - 304 mm | 2,2 mm | + 0 / + 1,0 mm | 1,6 mm | + 0 / + 1,3 mm |
> 304 mm | 4,1 mm | + 0 / + 2,5 mm | 3,2 mm | + 0 / + 2,5 mm |
Standaardlength: approx. 3650 mm, 2440 mm and 1220 mm. The given weights are theoretical. Standard Concast 954 and Concast 959 are produced oversized to finish machine to nominal size. |
Heat treatment | |
Stress Relieving | 316 xC (wallthickness/ 25 mm) x 60 min |
Solution Anneal | 870 / 910 xC for 1 hr / WQ |
Tempering | 620 / 660 xC for 1 hr / AC |
Machinability Rating: | 60 (C36000, Free Cutting Brass = 100) |
Joining Technique | Suitability |
Soldering | Good |
Brazing | Good |
Oxyacetylene | Not recommended |
Carbon shielded arc welding | Fair |
Gas shielded arc welding | Very good |
Coated metal arc welding | Good |
Chemical composition | Cu | Fe | Ni | Al | Mn |
Concast 954 | 83,0 min. | 3,0 - 5,0 | 0 - 1,5 | 10 - 11,5 | 0 - 0,5 |
Concast 959 | rest | 3,0 - 5,0 | 0 - 0,5 | 12 - 13,5 | 0 - 1,5 |
Mechanical properties | 954 | 959 | |||
slechts ter indicatie | |||||
Standard | ASTM B505 - C95400 | ASTM B505 - C95900 | |||
Tensile strength | 586 N/mm² min. | 703 N/mm² (typisch) | |||
0,2% Yield strength | 221 N/mm² min. | 407 N/mm² (typisch) | |||
Elongation | 12% min. | 1% (typisch) | |||
Hardness Brinell (3000 kg) | 170-190 | 241 min. | |||
Physical properties | |||||
Density | 7,45 Kg/dm³ | 7,20 Kg/dm³ | |||
Coefficient of Thermal Expansion | 16,2 10-6 /°C | 16,2 10-6 /°C | |||
Magnetic Permeability (F.S. = 16 KA/m) |
1,27 | ||||
Thermal conductivity | 58,7 W/m.K | 42 W/m.K | |||
Electrical conductivity | 7,5m/Ω.mm² | 6m/Ω.mm² | |||
Specific heat capacity | 419 J/kg.K | 419 J/kg.K | |||
Modules of Elasticity | 107 GPa |