• To Monitor And Control - Internal Rejections.
  • To Monitor And Control - Customer Complaints.
  • To Ensure Proper Housekeeping

Technical Data

Alloy Handling Capability

We are equipped and experienced to produce Any Special metals as per Customer's Specification or International Standard Specifications like IS, ASTM, AISI, SAE, UNI, UNE, AFNOR, DIN, EN, GOST, JIS.

Some of the general alloys that we handle regularly are tubulised as follows.


  Carbon Steel:   SAE - 1020, 1030, 1040, 4140, WCA, WCB, WCC, LCA, LCB,EN-8, EN-9, EN-36,
  Austenitic Stainless Steel:   CF8 , CF8M , CF3 , CF3M, CF8C, CF8 (NM), CF3M (NM), CK-20, CN-7M (Alloy 20)
  Martensitic Stainless Steel:   410 (CA-15) , 420 (CA-40), 431, 440C
  Duplex Stainless Steel:   CD-4MCu, CD-4MCuN, CD3MCuN, CE3MN, CD3MN
  PH Stainless Steel:   CB7Cu-1(17-4PH), CB7Cu-2(15-5PH)
  Super Alloys:   HAST- B, HAST- C,HAST-B3, STELLITE-6, STELLITE-3, CZ-100, Monel

Tolerance Achieving

We are complying casting tolerance standards like IS 11166, ISO 2768, VDG-P690.DIN1680, Class 2.

Here under are some general tolerances actual consideration is based on geometry and complexity of the component.


  DIMENSIONAL TOLERANCE:
  Dimension (mm)   Tolerance (mm)
  Upto 25   ± 0.125
  25-50   ± 0.25
  50-75   ± 0.375
  75-100   ± 0.5
  100-150   ± 0.75
  150-200   ± 1
  200-250   ± 1.25
  250-300   ± 1.5


  FLATNESS:
  Dim Range   As CAST (mm)   Mechanical Straightened (mm)
  Upto 25 mm   0.15   0.1
  50   0.2   0.15
  75   0.3   0.2
  100   0.4   0.25
  150   0.55   0.4
  200   0.9   0.7


  CONCENTRICITY:
  Dimension (mm)   Tolerance (mm)
  25   0.15
  50   0.4
  75   0.5
  100   0.75
  150   0.9
  200   1


  ANGLE:
  ± 1/2 ° in general


  CAST HOLES:
  Through Holes L =5*D
  Blind Holes L = 2*D
  where L is length of hole and D is diameter


  SURFACE FINISH:
  3.2 to 6 Ra.


For further details contact our engineering Department.