Custom Castings

BDI engineers have a strong background in casting processes that involve the highest quality of alloys. We provide castings from 1lb. up to 30,000 lbs. Small runs or large runs, we do it all. In house abilities include spectrometer chemical analysis, impact testing, full mechanical testing, inspection including MPI and UT, heat treating, flame hardening, and digital design simulation. We can make over 150 kinds of metallic material.

 

Item Cr-Mo Alloy Steel I Cr-Mo Alloy Steel II Cr-Mo Alloy Steel III High Cr white iron High Cr Alloy Steel High Manganese Steel Ni-Hard cast iron
C 0.30~0.50 0.65~0.90 0.40~0.90 2.40~3.20 1.1~2.2 0.90~1.30 2.40~3.60
Si 0.50~1.20 ≤0.75 0.70~1.20 0.60~1.20 0.60~1.20 ≤0.08 ≤0.80
Mn 0.40~1.20 0.50~1.20 0.60~1.00 0.50~1.00 0.50~1.00 11.00~18.00 ≤2.0
Cr 1.70~2.50 1.50~2.50 4.00~7.00 12.00~30.00 11.00~30.00 1.50~2.50 1.5~10
S ≤0.04 ≤0.06 ≤0.04 ≤0.04 ≤0.04 ≤0.04 ≤0.15
P ≤0.04 ≤0.06 ≤0.06 ≤0.06 ≤0.06 ≤0.06 ≤0.15
Mo ≤0.5 ≤0.5 ≤0.5 0.10~3.0 0.10~3.0 ≤1.0 ≤0.10
Cu 0.10~0.60 ≤0.25 0.20~0.40 0.10~1.00 0.10~1.00 - -
Ni ≤0.50 ≤0.30 0~0.30 0~0.30 0~0.30 - 3.3~10
Re ≤0.02 ≤0.02 ≤0.02 - - - -
Equivalent Specifications DL/T 681-1999 AS 2074 L2B Mod DL/T 681-1999 GB/T 8263-1999 GB/T 5680-1998 GB/T 8263-1999
GB/T26651-2011 AS 2027 Cr27 DL/T 681-1999 AS 2027/Ni-Cr1-550
  AS 2027 CrMo 15/3 JIS G 5153-1999 AS 2027/Ni-Cr2-500
  AS 2027 CrMo 20/2/1 ASTM A 128 AS 2027/Ni-Cr4-500
  ASTM A532 Class III type A 25% Cr DIN GX120Mn12 AS 2027/Ni-Cr4-600
  ASTM A532Class II type B 15% Cr-Mo AFNOR:Z120Mn12 AS 2027/Ni-Cr4-630
  BS 4844 3E   ASTM A 532 1-A,B,C,D
  DIN1695   ASTM A 532 2-A,B,C,D,E
  NFA32401.   ASTM A 532 3-A
Material Type Martensite Steel Martensite or Pearlitic Cr Mo Steel Martensite Steel Martensite matrix Austenitic Mn Steel -
Hardness HRc≥48 HB470 & HB 321-370 HRc≥50 HRc≥56 HB≤300 HRc≥56
Impact Value Ak≥40J - Ak≥10J Ak≥4J Ak≥80J -
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