Specifications Model
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Regular Heat-resistant Steel Grades and Main Material Components

GB JIS ASTM DIN C Concent(%) Cr Concent(%) Ni Concent(%)
ZG30Cr22Ni10Si2 SCH12 HF 1.4826 0.20~0.40 18.00~23.00 8.00~12.00
ZG40Cr25Ni12Si2 SCH13 HH 1.4832 0.20~0.50 24.00~28.00 11.00~14.00
ZG40Cr25Ni12Si2 SCH13A HH TypeⅡ   0.25~0.50 23.00~26.00 12.00~14.00
ZG40Ni35Cr17Si2 SCH15 HT 1.4807 0.35~0.70 15.00~19.00 33.00~37.00
ZG40Cr25Ni20Si2 SCH21 HK30 1.4848 0.25~0.35 23.00~27.00 19.00~22.00
ZG40Cr25Ni20Si2 SCH22 HK40   0.35~0.45 23.00~27.00 19.00~22.00
ZG40Ni35Cr26Si2 SCH24 HP 1.4857 0.35~0.75 24.00~28.00 33.00~37.00
* It can correspond to various special materials such as IN519, IN657, NA22H, SUPER22H, MO-RE1, MO-RE2, etc.

*According to the heat treatment condition of the customer, it can adjust the composition of alloy elements and provide better products with better Unique material.

Casting Size Tolerance and Casting Range

Basic size
(mm)>
Linear Tolerance Straightness/Flatness Verticality
General tolerance Important dimensional tolerance General tolerance Important dimensional tolerance
0 25 ±0.30 ±0.20 0.15 0.12 ±0.30
25 63 ±0.40 ±0.30 0.30 0.25 ±0.50
63 100 ±0.80 ±0.35 0.50 0.35 ±1.00
100 250 ±1.50 ±1.00 0.60 0.50 ±1.20
250 400 ±2.00 ±1.50 1.30 23.00~27.00 ±2.00
400 630 ±2.50 ±1.80 2.00 1.20 ±3.00
630 1000 ±3.50 ±2.50 2.50 1.50
1000 1500 ±5.00 ±3.50 3.00 2.50
*Casting angle tolerance:±0.5°~±1°       Casting surface roughness:Ra25~Ra12.5        Casting weight range:0.01KG~120KG