收藏词条 编辑词条 锅炉、热交换器用不锈钢无缝钢管(GB13296-1991)
1)尺寸规格见表6-75。
表6-75锅炉、热交换器用不锈钢无缝钢管的尺寸规格
壁厚mm 外径/mm |
1.2 |
1.5 |
2.0 |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
8.O |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1O.O |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12.O |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14.0 |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16.O |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
19.O |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22.0 |
× |
X |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25.O |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
27.0 |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
|
32.0 |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
|
34.0 |
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
|
38.O |
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
|
42.O |
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
|
45.0 |
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
|
48.0 |
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
51.0 |
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
|
|
|
54.0 |
|
|
× |
× |
X |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
57.0 |
|
|
X |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
X |
× |
× |
× |
|
|
|
|
60.O |
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
63.O |
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
65.0 |
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
70.0 |
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
|
|
|
76.0 |
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
83.0 |
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
89.0 |
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
X |
× |
× |
× |
102.0 |
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
|
108.O |
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
X |
× |
× |
× |
× |
|
114.O |
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
121.O |
|
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
127.0 |
|
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
133.0 |
|
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
140.0 |
|
|
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
× |
146.O |
|
|
|
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
× |
X |
159.O |
|
|
|
|
|
|
|
|
|
|
|
|
|
× |
× |
× |
× |
× |
× |
× |
× |
X |
× |
注:表中的符号“×”表示有产品。
(2)尺寸偏差见表6-76。
表6-76锅炉、热交换器用不锈钢无缝钢管的尺寸允许偏差 (mm)
钢管种类 |
钢管尺寸 |
允许偏差 |
钢管种类 |
钢管尺寸 |
允许偏差 |
热轧、热挤压管 |
外径:≤140 >140 |
±1.25% 土1% |
冷拔(轧)管 |
外径:8~30 >30~50 >50 |
±O.20 ±O.30 ±O.8% |
壁厚≤10 >10 |
±12.5% ±15% |
壁厚:1.O~3.0 >3.0 |
+12% -lO ±10% |
注:1.冷拔(轧)热交换器钢管,在公差带不变的情况下,以正公差交货。
2.钢管的通常长度规定如下:
热轧(挤)钢管………………………………………………………3~12m
冷拔(轧)钢管………………………………………………………3~8m
水管锅炉用钢管通常长度为:
热轧(挤)钢管………………………………………………………4~12m
冷拔(轧)钢管………………………………………………………4~8m
3.钢管的弯曲度不得大于如下规定:
壁厚≤15mm…………………………………………………………1.5mm/m
壁厚>15mm …………………………………………………………2.Omm/m
(3)牌号和化学成分见表6-77。
表6-77锅炉、热交换器用不锈钢无缝钢管的牌号和化学成分
组织类型 |
序号 |
牌 号 |
化学成分(质量分数)(%) |
||||||||
C |
Si |
Mn |
P |
S |
Ni |
Cr |
M0 |
其 他 |
|||
≤ |
|||||||||||
奥氏体型 |
1 |
0Crl8Ni9 |
O.07 |
1 |
2 |
O.035 |
O.030 |
8.00~11.00 |
17.00~19.00 |
|
|
2 |
1Crl9Ni9 |
O.04~O.10 |
1 |
2.00 |
O.035 |
0.03 |
8.00~11.00 |
18.00~20.00 |
|
|
|
3 |
00Crl9Nil0 |
O.030 |
1 |
2 |
O.035 |
0.03 |
8.00~12.00 |
18.00~20.00 |
|
|
|
4 |
2Cr23Nil3 |
O.20 |
1.00 |
2 |
O.035 |
O.030 |
12.00~15.00 |
22.00~24.00 |
|
|
|
5 |
OCr23Nil3 |
O.08 |
1 |
2 |
O.035 |
O.030 |
12.00~15.00 |
22.00~24.00 |
|
|
|
6 |
2Cr25Ni20 |
0.25 |
1 |
2 |
0.035 |
O.030 |
19.00~22.00 |
24.00~26.00 |
|
|
|
7 |
OCr25Ni20 |
0.08 |
1 |
2 |
0.035 |
0.03 |
19.00~22.00 |
24.00~26.00 |
|
|
|
8 |
0Crl7Nil2M02 |
O.08 |
1.00 |
2 |
O.035 |
O.030 |
10.00~14.00 |
16.00~18.50 |
2.00~3.00 |
|
|
9 |
lCrl7Nil2M02 |
0.04~O.10 |
|
2 |
0.03 |
0.03 |
11.00~14.00 |
16.00~18.00 |
2.00~3.00 |
|
|
10 |
0Crl7Nil4M02 |
O.030 |
1 |
2 |
0.035 |
0.03 |
12.00~15.00 |
16.00~18.00 |
2.00~3.00 |
|
|
11 |
OCrl9Nil3M03 |
O.08 |
1.00 |
2 |
0.035 |
0.03 |
11.00~15.00 |
18.00~20.00 |
3.00~4.00 |
|
|
12 |
00Crl9Ni13Mo3 |
O.030 |
1 |
2 |
0.035 |
O.030 |
11.00~15.00 |
18.00~20.00 |
3.00~4.00 |
|
|
13 |
1Crl8Ni9Ti |
O.12 |
1 |
2 |
0.035 |
O.030 |
8.00~11.00 |
17.00~19.00 |
|
Ti×(wc—O.02) ~O.80 |
|
14 |
0Crl8Nil0Ti |
0.08 |
1 |
2 |
O.035 |
O.030 |
9.00~12.00 |
17.00~19.00 |
|
Ti>5×wc |
|
15 |
lCrl8NillTi |
O.04~O.10 |
<0.75 |
2 |
O.030 |
0.03 |
9.00~13.00 |
17.00~20.00 |
|
Ti4×wc~O.60 |
|
16 |
0Crl8NillNb |
0.08 |
1 |
2 |
O.035 |
0.03 |
9.00~13.00 |
17.00~19.00 |
|
Nb≥lO×wc |
|
17 |
lCrl9NillNb |
O.04~0.10 |
1 |
2 |
0.035 |
0.03 |
9.00~13.00 |
17.00~20.00 |
|
Na+Ta≥8×Wc~1.00 |
|
18 |
OCrl8Nil3Si4 |
O.08 |
3.00~5.00 |
2 |
0.035 |
O.030 |
11.50~15.00 |
15.00~20.00 |
|
|
|
19 |
OCrl8Nil2M02Ti |
O.08 |
1 |
2 |
0.035 |
O.030 |
11.00~14.00 |
16.00~19.00 |
1.80~2.50 |
Ti5×wc~O.70 |
|
20 |
1Cr18Ni12M02Ti |
0.12 |
1.00 |
2 |
O.035 |
0.03 |
11.00~14.00 |
16.00~19.00 |
1.80_2.50 |
Ti5×(Wc一0.02)-0.80 |
|
21 |
lCrl8Ni12Mo3Ti |
O.12 |
1 |
2 |
O.035 |
0.03 |
11.00~14.00 |
16.00~19.00 |
2.50~3.50 |
Ti5×(Wc—O.02)0.80 |
|
奥氏体铁索体型 |
22 |
OCr26Ni5M02 |
O.08 |
1 |
1.5 |
O.035 |
0.03 |
3.00~6.00 |
23.00~28.00 |
1.00~3.00 |
|
铁素体型 |
23 |
1Crl7 |
0.12 |
0.75 |
1 |
0.035 |
0.03 |
|
16.00~18.00 |
|
|
24 |
00Cr27M0 |
O.O1O |
O.40 |
O.40 |
O.030 |
O.020 |
允许含有 |
25.00~27.50 |
O.75~1.50 |
N<0.015 |
|
≤0.50Ni |
|||||||||||
25 |
(1Cr25Ti) |
O.12 |
1 |
O.80 |
0.035 |
O.030 |
|
24.00~27.00 |
|
Ti5×Wc~O.80 |
(4)力学性能见表6-78。
表6-78锅炉、热交换器用不锈钢无缝钢管的力学性能
组织类型 |
序号 |
牌 号 |
推荐热处理制度 |
力学性能 |
密度ρ/(g/cm3) |
|||
ób/Mpa |
ós或ó0. 2/MPa |
δ5(%) |
||||||
≥ |
||||||||
奥氏体型 |
1 |
OCrl8Ni9 |
10lO~1150℃ |
急冷 |
520 |
206 |
35 |
7.93 |
2 |
lCrl9Ni9 |
10lO~1150℃ |
520 |
205 |
35 |
7.93 |
||
3 |
00Crl9Nil0 |
1010~1150℃ |
480 |
175 |
35 |
7.93 |
||
4 |
2Cr23Ni13 |
1030~1150℃ |
520 |
205 |
35 |
7.98 |
||
5 |
OCr23Nil3 |
1030~1150℃ |
520 |
205 |
35 |
7.98 |
||
6 |
2Cr25Ni20 |
1030~1180℃ |
520 |
205 |
35 |
7.98 |
||
7 |
0Cr25Ni20 |
1030~1180℃ |
520 |
206 |
35 |
7.98 |
||
8 |
OCrl7Nil2M02 |
1010~1150℃ |
520 |
205 |
35 |
7.98 |
||
9 |
1Cr17Nil2M02 |
>1040℃ |
520 |
205 |
35 |
7.98 |
||
lO |
00Crl7Nil4M02 |
10lO~1150℃ |
480 |
175 |
40 |
7.98 |
||
11 |
OCrl9Ni13Mo3 |
1010~1150℃ |
520 |
205 |
35 |
7.98 |
||
12 |
00Crl9Nil3M03 |
1010~1150℃ |
480 |
175 |
35 |
7.98 |
||
13 |
1Cr18Ni9Ti |
1000~1100℃ |
550 |
205 |
40 |
7.90 |
||
14 |
OCrl8NilOTi |
920~1150℃ |
520 |
205 |
35 |
7.93 |
||
15 |
lCrl8Ni11Ti |
冷轧≥1095℃ 热轧≥1050℃ |
520 |
205 |
35 |
7.93 |
||
16 |
0Crl8NillNb |
9801150℃ |
520 |
205 |
35 |
7.98 |
||
17 |
lCrl9NillNb |
冷轧≥1095℃ 热轧≥1050℃ |
520 |
205 |
35 |
7.98 |
||
18 |
0Crl8Ni13Si4 |
10lO~1150℃ |
520 |
205 |
35 |
7.98 |
||
19 |
OCrl8Ni12Mo2Ti |
1000~1100℃ |
530 |
205 |
35 |
8.O |
||
20 |
lCrl8Nil2Mo2Ti |
1000~1100℃ |
540 |
215 |
35 |
8.O |
||
2l |
1Crl8Nil2M03Ti |
1000~1100℃ |
540 |
215 |
35 |
8.1 |
||
奥氏体-铁素体型 |
22 |
OCr26Ni5M02 |
950~1100℃ |
|
590 |
390 |
18 |
|
铁素体型 |
23 |
1Crl7 |
780~850℃ |
空冷或缓冷 |
410 |
245 |
20 |
7.7 |
24 |
00Cr27Mo |
900~1050℃ |
快冷 |
410 |
245 |
20 |
|
|
25 |
(1Cr25Ti) |
700~800℃ |
空冷 |
440 |
245 |
17 |
7.7 |
注:1.热挤压管的抗拉强度可降低20MPa.
2.钢管经热处理并酸洗交货。凡经整体磨、镗的或经光亮处理的钢管可不酸洗交货。
表6-79锅炉、热交换器用不锈钢无缝钢管的硬度要求
钢管的牌号 |
洛氏硬度 |
钢管的牌号 |
洛氏硬度 |
||
HRB |
HRC |
HRB |
HRC |
||
0Crl8Ni9,1Crl9Ni9,00Crl9Nil0 2Cr23Ni13,0Cr23Ni13.2Cr25Ni20 0Cr25Ni20,0Cr17Nil2M02 00C17Nil4M02,OCr18Nil0Ti |
<90 |
|
lCrl7Nil2Mo2.1Cr18Ni11Ti OCrl8Ni11Nb,1Crl9NillNb |
<90 |
|
OCr26Ni5M02 |
|
<29 |
|||
OCrl8Nil3Si4 |
<95 |
|
注:1.经供需双方协商,在合同中注明可做上述硬度试验。
2.对壁厚≥2mm的钢管可以做洛氏硬度试验,每一试样测定3处。
(5)用途适用于锅炉过热器、热交换器、冷凝器、催化管等。