|
铁素体型钢的化学成分(GB/T 4237—2007) |
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|
GB/T 20878 中序号 |
新牌号 |
旧牌号 |
化学成分(质量分数)/% |
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|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Cu |
N |
其他元素 |
|||
|
78 |
06Cr13Al |
0Cr13Al |
0.08 |
1.00 |
1.00 |
0.040 |
0.030 |
(0.60) |
11.50~14.50 |
— |
— |
— |
Al:0.10~0.30 |
|
80 |
022Cr11Ti |
|
0.030 |
1.00 |
1.00 |
0.040 |
0.020 |
(0.60) |
10.50~11.70 |
— |
— |
0.030 |
Ti≥8(C+N)， Ti:0.15~0.50； Cb:0.10 |
|
81 |
022Cr11NbTi |
|
0.030 |
1.00 |
1.00 |
0.040 |
0.020 |
(0.60) |
10.50~11.70 |
— |
— |
0.030 |
Ti+Nb；8(C+N)+ 0.08~0.75 |
|
82 |
022Cr12Ni |
|
0.030 |
1.00 |
1.50 |
0.040 |
0.015 |
0.30~ 1.00 |
10.50~12.50 |
— |
— |
0.030 |
— |
|
83 |
022Cr12 |
00Cr12 |
0.030 |
1.00 |
1.00 |
0.040 |
0.030 |
(0.60) |
11.00~13.50 |
— |
— |
— |
— |
|
84 |
10Cr15 |
1Cr15 |
0.12 |
1.00 |
1.00 |
0.040 |
0.030 |
(0.60) |
14.00~16.00 |
— |
— |
— |
— |
|
85 |
10Cr17 |
1Cr17 |
0.12 |
1.00 |
1.00 |
0.040 |
0.030 |
0.75 |
16.00~18.00 |
— |
— |
— |
— |
|
87 |
022Cr17Ti① |
00Cr17 |
0.030 |
0.75 |
1.00 |
0.035 |
0.030 |
— |
16.00~19.00 |
— |
— |
— |
Ti或Nb:0.10~1.00 |
|
88 |
10Cr17Mo |
1Cr17Mo |
0.12 |
1.00 |
1.00 |
0.040 |
0.030 |
— |
16.00~18.00 |
0.75~1.25 |
— |
— |
— |
|
90 |
019Cr18MoTi |
|
0.025 |
1.00 |
1.00 |
0.040 |
0.030 |
— |
16.00~19.00 |
0.75~1.50 |
|
0.025 |
Ti，Nb，Zr或其组合: 8×(C+N)~0.80 |
|
91 |
022Cr18NbTi |
|
0.030 |
1.00 |
1.00 |
0.040 |
0.015 |
— |
17.50~18.50 |
— |
— |
— |
Ti:0.10~0.60 Nb:≥0.30+3C |
|
92 |
019Cr19Mo2NbTi |
00Cr18Mo2 |
0.025 |
1.00 |
1.00 |
0.040 |
0.030 |
1.00 |
17.50~19.50 |
1.75~2.50 |
— |
0.035 |
(Ti+Nb):[0.20+ 4(C+N)]~0.80 |
|
94 |
008Cr27Mo |
00Cr27Mo |
0.010 |
0.40 |
0.40 |
0.030 |
0.020 |
|
25.00~27.50 |
0.75~1.50 |
— |
0.015 |
(Ni+Cu)≤0.50 |
|
95 |
008Cr30Mo2 |
00Cr30Mo2 |
0.010 |
0.40 |
0.40 |
0.030 |
0.020 |
|
28.50~32.00 |
1.50~2.50 |
— |
0.015 |
(Ni+Cu)≤0.50 |
|
注：表中所列成分除标明范围或最小值，其余均为最大值。括号内值为允许含有的最大值。 ① 为相对于GB/T 20878调整化学成分的牌号。 |
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