Material Specifications for various Valve Seats

Sl No. Material Contents in Percentage
    C Si Cr Mo Ni W Co Cu T Mn V I
1 C.I G-15 3.3-3.9 2.6-3.3 1.2-1.5 1.2-1.5 - - - 0.7-1.0 - - - -
2 GGZ D4 1.8-2.3 0.8-1.3 12.0-14.0 2.0-2.5 0.5 - - - - - - -
3 Gz-GCrV300 1.8-2.0 0.8-1.0 12.0-13.0 2.0-2.5 - - - - - - - -
4 H 24 (v 411) 1.4-2.4 1.4-2.4 12.0-16.0 0.3-0.5 - - - - - - - -
5 HITACHI CRQ 2.0-2.2 0.3-0.6 12.0-15.0 1.3-1.8 - - - - - - - -
6 PB 1F 1.2-1.6 - 7.0-9.0 0.4-0.8 1.0-2.5 2.0-3.5 7.0-9.0 - - - - -
7 PEARLITE CAST IRC 3.7-3.85 1.9-2.1 0.25-0.35 - - - - - - - - -
8 PL 12 Mv 425 1.8-2.3 0.8-1.0 12.0-14.0 2.0-2.5 - - - - - - - -
9 PL 33 Mv 425 1.8-2.3 1.8-2.1 33.0-35.0 2.0-2.5 0.5 - - - - - - -
10 PL 6N 3.1-3.5 1.8-2.2 1.0-1.3 1.0-1.3 0.2-0.4 - - - - - - -
11 PL 7N/GZ D5 3.1-3.5 1.8-2.2 0.5-0.8 1.0-1.3 0.8-1.2 - - - - - - -
12 SAE J610 1.25-1.75 1.9-2.6 19.0-21.0 - 1.0-1.8 - - - - - - -
13 STELLITE 2.0-2.7 1.0 29.0-33.0 - 3% 11.0-14.0 41.3 - - - - -
14 SUH-3 0.35-0.45 1.8-2.5 10.0-12.0 0.7-1.3 - - - - - - - -
15 SUH-4 0.75-0.85 1.75-2.25 19.0-20.5 - 1.15-1.65 - - - - - - -
16 VALMET 1.5-2.0 1.5-2.0 13.5-15.0 0.35-0.5 - - - - - - - -
17 WELLTITE 2.0-2.4 1.5-1.9 11.0-13.0 5.0-7.0 38.0-42.0 0.4-0.6 - - - - - -
18 SLICHROME XB 1.25-1.75 1.90-2.60 19.00-21.00 - 1.00-1.60 - - - - .20-.60 - -
19 HIGH CHROME SILICON STEEL 1.80-2.30 1.80-2.10 33.00-35.00 2.00-2.50 .50MAX - - - - .60MAX - -
20 MODIFIED M2 TOOL STEEL (No V) 1.20-1.50 .30-.60 3.50-4.25 6.00-7.00 1.00MAX - - - 5.00-6.00 .30-.60 - -
21 MODIFIED M2 TOOL STEEL 1.20-1.50 .30-.60 3.50-4.25 6.00-7.00 1.00MAX - - - 5.00-6.00 .30-.60 1.35-1.65 -
22 GM 3550M 2.00-2.75 1.00MAX 27.00-31.00 - 46.00-52.00 - - - 14.00-16.00 - - 8.00MAX
23 GM3546M 2.00-2.75 1.00MAX 27.00-31.00 - Bal - 9.00-11.00 - 14.00-16.00 - - 8.00MAX