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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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                ADD: No.3 Xieli Road, Zhenglu Peace Industrial zone, Tianning District, Changzhou city, Jiangsu province, China
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