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Technical Capacity

MATERIALS POURED AT RTCPL



ASTM

DIN

Carbon Steel

A216 - WCB

1.0619


A216 - WCC



A352 - LCC

1.1138


A352 - LCB








Martensitic Steels

A743 - CA15

1.4008


A743 - CA40

1.4028


A743 CA-6NM

1.4313




Heat Resisting Steel

A297 - HF

1.4825


A297 - HH

1.4837


A297 - HI

1.4846


A297 - HK

1.4848



1.4749


A297 - HD

1.4823




Austenitic Stainless Steel

A351 - CF8

1.4308


A351 - CF8M

1.4408


A351 - CF3

1.4306


A351 - CF3M

1.4404 / 1.4409


A351 - CF8C

1.4827


A351 - CF10

1.4308


A351 - CK20

1.4843


A351 - CH20



A351 - CN7M

1.45


A351 - CG8M

1.4431


A351 - CG3M






ASTM

DIN

Nickle Based Super Alloys

A494 - M-35-1

2.4365


A494 - M-35-2



A494 - M 30 C



A494 - N-12MV



A494 - N-7M



A494 - CY40

2.4816


A494 - CW12MW

2.4686


A494 - CW6M



A494 - CW2M

2.461


A494 - CW6MC

2.4856


A494 - CX2MW

2.4602


A494 - Cu5MCuC

2.4858


A560 - 50Cr50Ni



A560 - 50Cr50Ni-Nb

2.4813


A560 - 60Cr40Ni





Castings can be supplied as per equipment DIN, JIS, BS and GOST standards.

Other than above, in general we can cast any material compositions as per customers specifications meeting international standards.


INVESTMENT CASTINGS TOLERANCES

REFERENCE INTERNATIONAL STANDARD: VDG P690

LINEAR TOLERANCES :


Nominal size

mm

D1 Tolerance

(general dimensions)

D2 Tolerance

(some functional

dimensions)

0 to 6

±0.15

±0.12

6 to 10

±0.18

±0.14

10 to 18

±0.22

±0.17

18 to 30

±0.26

±0.20

30 to 50

±0.40

±0.31

50 to 80

±0.45

±0.37

80 to 120

±0.55

±0.44

120 to 180

±0.8

0±0.65

180 to 250

±1.20

±0.95

250 to 315

±1.30

±1.10

315 to 400

±1.80

±1.40


TOLERANCE FOR STRAIGHTNESS, FLATNESS, PARALLELISM, SHAPE :

Precision class

Length of the tolerated element

to 25 mm

25 to 50 mm

up to 50 mm

allowed difference

D1

0.15 mm

0.25 mm

0.6%

D2

0.10 mm

0.20 mm

0.4%


TOLERANCE FOR ANGLE VALUES AND RIGHT ANGLES :

Precision class

Nominal dimensions


to 30 mm

30 to 100 mm

100 to 200mm

up to 200mm

D1

allowed deviation

minute degree

30

30

30

20

mm / 100 mm

0.87

0.87

0.87

0.58

D2

allowed deviation

minute degree

30

20

15

15

mm / 100 mm

0.87

0.58

0.44

0.44


SURFACE QUALITY ACCORDING TO ISO R 468, DIN 4769 AND VSM10321 :


Ra

Rz

Rt

N9

6.3

23-32

25-38


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CONTACT US
TEL: 0086-18951208623E-MAIL: sales-admin@mhe-shanghai.com , Fax: 0086-021-64888952
ADD: Room 1605,NO.1888,Yishan Road,Minhang District,Shanghai,China
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