ISO 9001-2000 Certificate of Compliance
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IS 276 : 2000 Austenitic Manganese Steel Castings
Grade Tensille Strength MPa KSI Yield Strength Mpa KSI Minimum Elongation in 50 mm Minimum reduction in area Chemical Compositions
          C% Mn% Si% P% S%
1 600 300 24 - 1.05-1.35 1 11-14 0.08 0.025
2 - - - - 0.09-1.05 1 11.5-14 0.08 0.025
3 600 300 24 - 1.05 -1.35 1 11.5-14 0.08 0.025
4 - - - - 0.70-1.30 1 11.5-14 0.08 0.025
5 - - - - 1.05-1.35 0.30-0.09 16-19 0.08 0.025
6 - - - - 1.05-1.35 0.30-0.09 16-19 0.08 0.025
7 - - - - 1.05-1.35 0.30-0.90 16-19 0.08 0.025
Summary of Specification Requirements for various Carbon Steel Castings
ASTM A 27 : Carbon Steel Castings for General Applications
Class or Grade Tensille Strength
MPa KSI
Yield Strength Mpa KSI Minimum Elongation in 50 mm Minimum reduction in area Chemical Compositions
          C% Mn% Si% P% S%
N-1 -- -- -- -- -- -- 0.25 0.75 0.80 0.06 0.05
N-2 -- -- -- -- -- -- 0.35 0.60 0.80 0.06 0.05
U-60-30 415 60 205 30 22 30 0.25 0.75 0.80 0.06 0.05
60-30 415 60 205 30 24 35 0.30 0.60 0.80 0.06 0.05
65-65 450 65 240 35 24 35 0.30 0.70 0.80 0.06 0.05
70-36 485 70 250 36 22 30 0.35 0.70 0.80 0.06 0.05
70-40 458 70 275 40 22 30 0.25 1.20 0.80 0.06 0.05
Summary of Specification Requirements for various Carbon Steel Castings
ASTM A 148 : Carbon Steel Castings for Structural Applications (D)
Class or Grade Tensille Strength
MPa KSI
Yield Strength Mpa KSI Minimum Elongation in 50 mm (2 in.) % Minimum reduction in area % Chemical Compositions
          C% Mn% Si% P% S%
80-40 550 80 275 40 18 30 - - - 0.06 0.05
80-50 550 80 345 50 22 35 - - - 0.06 0.05
90-60 620 90 415 60 20 40 - - - 0.06 0.05
105-85 725 105 585 85 17 35 - - - 0.06 0.05
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