Advantages of melt mould casting technology
.
Melt mould casting technology provides high precise dimension, smooth finishing, which save the material and machining cost by relieve or reduce machining treatment.
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Melt mould casting technology are suitable for processing of complex shaped casting, thin-wall casting, or multi-components combined casting, which may save assembly or welding works.
.
Melt mould casting technology can process special chanceries or designs, which can show and improve your company image.
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Melt mould casting technology is not limited by material, all the standard alloy steel can be used for casting.
.Melt mould casting technology has the feature of high production efficiency, good repetition and is easy to realize the mass production.
●Tolerance
.Casting linearity tolerance
Basic dimension of casting |
normal tolerance |
key tolerance |
in |
mm |
in |
mm |
in |
mm |
up to 1/2 |
≤ 12.70 |
± 0.007 |
± 0.18 |
± 0.003 |
± 0.08 |
up to 1 |
≤ 25.40 |
± 0.010 |
± 0.25 |
± 0.005 |
± 0.13 |
up to 2 |
≤ 50.80 |
± 0.013 |
± 0.33 |
± 0.008 |
± 0.20 |
up to 3 |
≤ 76.20 |
± 0.016 |
± 0.41 |
± 0.010 |
± 0.25 |
up to 4 |
≤ 101.60 |
± 0.019 |
± 0.48 |
± 0.012 |
± 0.30 |
up to 5 |
≤ 127.00 |
± 0.022 |
± 0.56 |
± 0.014 |
± 0.36 |
up to 6 |
≤ 152.40 |
± 0.025 |
± 0.64 |
± 0.015 |
± 0.38 |
up to 7 |
≤ 177.80 |
± 0.028 |
± 0.71 |
± 0.016 |
± 0.41 |
up to 8 |
≤ 203.20 |
± 0.031 |
± 0.79 |
± 0.017 |
± 0.43 |
up to 9 |
≤ 228.60 |
± 0.034 |
± 0.86 |
± 0.018 |
± 0.46 |
up to 10 |
≤ 254.00 |
± 0.037 |
± 0.94 |
± 0.019 |
± 0.48 |
.Casting angle tolerance
: ± 0.5 o ~ ± 1 o .Casting straight degree tolerance: 0.127mm / 25mm
.Machining dimension tolerance
: ISO2768 –mK ●Machining surplus tolerance
Machining surplus tolerance RMA ( ISO8062 E 级 ) in mm
Max. Dimension |
> |
0 |
40 |
63 |
100 |
160 |
250 |
400 |
≤ |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
Machining surplus tolerance RMA |
|
0.4 |
0.4 |
0.7 |
1.1 |
1.4 |
1.4 |
2.2 |
●Normal material
List of normal casting material
|
ASTM |
W-Nr. |
AISI |
JIS |
SS |
GB |
|
430 |
1.4016 |
430 |
430 |
2320 |
ZG1Cr17 |
Martensite stainless steel
|
ASTM A743CA15 |
1.4011 |
410 |
SCS1 |
2301 |
ZG 10Cr13 |
ASTM A743 CA40 |
1.4028 |
420 |
SCS2 |
2304 |
ZG 20Cr13 |
Austenite Stainless steel
|
ASTM A743 CF-8 |
1.4308 |
304 |
SCS13 |
2333 |
ZG07Cr19Ni9 |
ASTMA 743 CF -8M |
1.4408 |
316 |
SCS 14A |
2343 |
ZG07Cr19Ni11Mo2 |
ASTM A743 CF -3M |
1.4409 |
316L |
SCS 16A |
2348 |
ZG03Cr19Ni11Mo2 |
ASTM A743 CK-20 |
1.4840 |
310 |
SCS18 |
|
|
precipitation hardening stainless steel
|
ASTM A747 CB7Cu-1 |
1.4542 |
17-4PH |
SCS24 |
|
|
|
ASTM A890 CD3MN |
1.4470 |
2205 |
SCS10 |
2377 |
|
ASTM A890CD4MCu |
|
|
|
|
|
|
ASTM A732 IC1020 |
1.0446 |
1020 |
SC360 |
|
ZG200-400 |
ASTM A732IC1040 |
1.0558 |
1040 |
SCC5 |
|
ZG310-570 |
ASTM A216 WCC |
1.1120 |
|
|
|
ZG20Mn |
Low-alloy steel |
|
1.7218 |
(4130) |
SCCrM1 |
|
25CrMo, 20CrMo |
ASTM A732 IC4140 |
1.7225 |
4140 |
|
|
ZG42CrMo |
ASTM A732 IC8620 |
1.6523 |
8620 |
|
|
(20CrNiMo) |
ASTM A732 IC8640 |
1.6546 |
8640 |
|
|
(40CrNiMo) |
|
ASTM A597 CS-7 |
1.2357 |
S7 |
|
|
|
ASTM A597 CA-2 |
1.2363 |
A2 |
SKD12 |
2260 |
|
ASTM A597 CH-13 |
1.2344 |
H13 |
SKD61 |
2242 |
|
We also provide standard carbon steel, low-alloy steel and stainless steel casting upon the customer request.
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