收藏词条 编辑词条 耐热钢（YB/T 036.3—92）
1、 用途：
广泛用于冶金、矿山、化工、环保等方面耐热零部件的制造，如汽轮机、燃气轮机转子和叶片、锅炉过热器等。
2、 化学成分
|
牌号 |
C(碳) |
Si(硅) |
Mn(锰) |
Cr(铬) |
Ni(镍) |
Mo(钼) |
N(氮) |
P(磷) |
S(硫) |
|
ZG40GCr9Si2 |
0.35-0.50 |
2.00-3.00 |
≤0.70 |
8.0-10.0 |
— |
— |
— |
≤0.035 |
≤0.03 |
|
ZG30Cr18Mn12Si2N |
0.26-0.36 |
1.60-2.40 |
11.0-13.0 |
17.0-20.0 |
— |
— |
0.22-0.28 |
≤0.06 |
≤0.04 |
|
ZG35Cr24Ni7SiN |
0.30-0.40 |
1.30-2.00 |
0.80-1.50 |
23.0-25.5 |
-7.0-8.5 |
— |
0.20-0.26 |
≤0.04 |
≤0.03 |
|
ZG35Ni24Cr18Si2 |
0.30-0.40 |
1.50-2.50 |
≤1.50 |
17.0-20.0 |
2.30-26.0 |
— |
— |
≤0.035 |
≤0.03 |
|
ZG30Cr26Ni5 |
0.20-0.40 |
≤2.00 |
≤1.00 |
24.0-28.0 |
4.0-6.0 |
≤0.50 |
— |
|
|
|
ZG30Cr20Ni10 |
0.20-0.40 |
≤2.00 |
≤2.00 |
18.0-23.0 |
8.0-12.00 |
≤0.50 |
— |
||
|
ZG35Cr26Ni12 |
0.20-0.50 |
≤2.00 |
≤2.00 |
24.0-28.0 |
11.0-14.0 |
— |
— |
||
|
ZG35Cr28Ni16 |
0.20-0.50 |
≤2.00 |
≤2.00 |
≤26.0-30.0 |
14.0-18.0 |
≤0.50 |
— |
||
|
ZG40Cr25Ni20 |
0.35-0.45 |
≤1.75 |
≤1.50 |
23.0-22.0 |
19.0-22.0 |
≤0.50 |
— |
||
|
ZG40Cr30Ni20 |
0.20-0.60 |
≤2.00 |
≤2.00 |
28.0-32.0 |
18.0-22.0 |
≤0.50 |
— |
||
|
ZG30Ni35Cr15 |
0.20-0.35 |
≤2.50 |
≤2.00 |
13.0-17.0 |
33.0-37.0 |
— |
— |
||
|
ZG45Ni35Cr26 |
0.35-0.75 |
≤2.00 |
≤2.00 |
24.0-28.0 |
33.0-37.0 |
≤0.50 |
— |
||
|
ZGCr28 |
0.50-1.00 |
≤2.00 |
≤1.00 |
26.0-30.0 |
— |
— |
— |
3、 物理性能①
|
牌号 |
热处理 |
屈服强度σ0.2≥ |
抗拉强度σb≥ |
伸长率δ5(%)≥ |
||
|
MPa |
kgf/mm2 |
MPa |
kgf/mm2 |
|||
|
ZG40Cr9Si2 |
|
— |
— |
550 |
55 |
— |
|
ZG30Cr18Mn12Si2N |
— |
— |
— |
490 |
49 |
8 |
|
ZG35Cr24Ni7SiN |
— |
340 |
34 |
540 |
54 |
12 |
|
ZG35Ni24Cr18Si2 |
— |
195 |
19.5 |
390 |
39 |
5 |
|
ZG |
— |
— |
— |
590 |
59 |
— |
|
牌号 |
热处理 |
屈服强度σ0.2≥ |
抗拉强度σb≥ |
伸长率δ5(%)≥ |
||
|
MPa |
kgf/mm2 |
MPa |
kgf/mm2 |
|||
|
ZG30Cr20Ni10 |
— |
235 |
23.5 |
490 |
49 |
2.3 |
|
ZG35Cr26Ni12 |
— |
235 |
23.5 |
490 |
49 |
8 |
|
ZG35Cr28Ni16 |
— |
235 |
23.5 |
490 |
49 |
8 |
|
ZG40Cr25Ni20 |
— |
235 |
23.5 |
440 |
44 |
8 |
|
ZG40Cr30Ni20 |
— |
245 |
24.5 |
450 |
45 |
8 |
|
ZG30Ni35Cr5 |
— |
195 |
19.5 |
440 |
44 |
13 |
|
ZG45Ni35Cr26 |
— |
235 |
23.5 |
440 |
44 |
5 |
|
ZGC28 |
— |
— |
— |
340 |
34 |
— |
4、 标记示例
耐热钢 ZC40Cr9Si2 — YB/T036.3—92
名 称 牌 号 标准号