Iron Cone Valve Ni Hard Liners Castings With Ni hard 4 Standard And HRc56

Quick Details
1. Hardness:More than HRC56;
2. International Standard:AS 2027-2002/Ni hard 4;
3. Specific weight or density:7.3~7.5g/mm2.
Ni-hard Iron Cone Valve Castings Description:
1. Hardness: More than HRC56.
2. International Standard: AS 2027-2002/Ni hard 4.
3. Microstructure: Eutectic Carbide + Martensite + Residual Austenite
4. Specific weight or density:7.3~7.5g/
5. Break Point:25~40kg/mm2.
Technical Parameters
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 Mn Steel | Ni-hard Cast Iron | C | 0.3-0.5 | 0.65-0.90 | 0.4-0.9 | 2.4-3.2 | 1.1-2.2 | 0.9-1.3 | 2.4-3.6 | Si | 0.15-1.20 | ≤0.75 | 0.7-1.2 | 0.6-1.2 | 0.6-1.2 | ≤0.8 | ≤0.8 | Mn | 0.4-1.2 | 0.5-1.2 | 0.6-1.0 | 0.5-1.0 | 0.5-1.0 | 11.0-18.0 | ≤2.0 | Cr | 1.7-2.5 | 1.5-2.5 | 4.0-7.0 | 12.0-30.0 | 11.0-30.0 | 1.5-2.5 | 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 | ≤0.15 | 0.1-3.0 | 0.1-3.0 | ≤1.0 | ≤0.1 | Cu | 0.1-0.6 | ≤0.25 | 0.2-0.4 | 0.1-1.0 | 0.1-1.0 | - | - | Ni | ≤0.5 | ≤0.3 | 0-0.3 | 0-0.3 | 0-0.3 | - | 3.3-10 | Re | ≤0.02 | ≤0.02 | ≤0.02 | - | - | - | - | Equivalent Specifications | DL/T 681-1999 GB/T26651-2011 | AS2074L2B Mod | DL/T 681-1999 | GB/T8263-1999 AS2027 Cr27 AS2027 CrMo 15/3 AS2027 CrMo 20/2/1 ASTM A532 Class Ⅲ Type A 25%Cr ASTM A532 Class Ⅱ Type B 15%Cr-Mo BS4844 3E DIN1695 NAF32401 | GB/T5680-1998 DL/T 681-1999 JISG5153-1999 ASTM A128 DIN GX120Mn12 AFNORZ120Mn12 | GB/T8263-1999 AS2027/Ni-Cr1-550 AS2027/Ni-Cr2-500 AS2027/Ni-Cr4-500 AS2027/Ni-Cr1-550 AS2027/Ni-Cr4-600 AS2027/Ni-Cr1-630 ASTMA5321-A,B,C,D ASTMA5322-A,B,C,D,E ASTMA5323-A | | | | | | | |
| | | | | | |