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Technical Capabilities

Alltech Techno Cast Pvt. Ltd.

Technical Capabilities

Capabilities to cast most of the grades.
We are doing castings in various material and specification as per International standards (DIN, JIS, BS, EN, SAE, GOST, MIL, AISI AND IS), for your ready reference below are list of metal gradde which we cast generally.
SR. No. GRADE WE CAST SR. No. GRADE WE CAST
GRADE   ASTM DIN GRADE   ASTM DIN
1 Austenitic Stainless Steel A351 - CF8 1.4308 6 Austenitic Ferrite Duplex Steels A351 - CF3MN 1.4435
A351 - CF8M 1.4408 A351 - CD4MCu  
A351 - CF3 1.4306 A351 - CG6MMN 1.3964
A351 - CF3M 1.4404 / 1.4409 A351 - CK3MCuN  
A351 - CF8C 1.4827 7 Super Duplex Stainless Steel A890 - GR1A  
A351 - CF10 1.4308 A890 - GR2A  
A351 - CK20 1.4843 A890 - GR3A  
A351 - CH20   A890 - GR4A  
A351 - CN7M 1.45 A890 - GR5A  
A351 - CG8M 1.4431 A890 - GR6A  
A351 - CG3M      
2 Carbon Steel A216 - WCB 1.0619 8 Nickle Based Super Alloys A494 - M-35-1 2.4365
A216 - WCC   A494 - M-35-2  
A352 - LCC 1.1138 A494 - M 30 C  
A352 - LCB   A494 - N-12MV  
SOUR WCB   A494 - N-7M  
3 Low Alloys Steels A217 - WC1 1.5419 A494 - CY40 2.4816
A217 - WC4   A494 - CW12MW 2.4686
A217 - WC5   A494 - CW6M  
A217 - WC6 1.7356 A494 - CW2M 2.461
A217 - WC9 1.7379 A494 - CW6MC 2.4856
A217 - WC11   A494 - CX2MW 2.4602
A217 - C5 1.7363 A494 - Cu5MCuC 2.4858
A217 - C12   A560 - 50Cr50Ni  
A217 - C12A   A560 - 50Cr50Ni-Nb 2.4813
C-45   A560 - 60Cr40Ni  
C-55   9 Cobalt Based Alloys STELLITE 3  
    STELLITE 6  
4 Martensitic Steels A743 - CA15 1.4008 STELLITE 21  
A743 - CA40 1.4028 STELLITE 23  
A743 CA-6NM 1.4313 Triballoy T 400  
5 Heat Resisting Steel A297 - HF 1.4825 10 Copper Based alloys C95400  
A297 - HH 1.4837 C90700  
A297 - HI 1.4846 11 Precipitation Harden Steel CB7CU-1 (17.4PH)  
A297 - HK 1.4848
  1.4749 12 Aluminium Bronze AB-1  
A297 - HD 1.4823   AB-2
Dimensional tolerances
Normal Dimension of rough casting Overall Dimension (In Millimeter) [IS - 11166 Class II]
over up to Up to 6mm Over 6 Up to 10 Over 10 Up to 18 Over 18 Up to 30 Over 30 Up to 80 Over 80 Up to 180 Over 180 Up to 300 Over 300 Up to 500
6 0.1 0.12 0.15 0.2 0.2 0.25 0.3 0.35
6 10 - 0.12 0.15 0.25 0.25 0.3 0.35 0.45
10 18 - - 0.2 0.3 0.3 0.35 0.4 0.55
10 30 - - - 0.3 0.3 0.45 0.5 0.65
30 80 - - - - 0.3 0.55 0.6 0.75
80 180 - - - - - 0.6 0.7 0.9
180 300 - - - - - - 1 1.15
300 500 - - - - - - - 2
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 0.60%
D2 0.10 mm 0.20 mm 0.40%
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