根據中國特鋼協會12Cr1MoV合金管分會的研究,未來我國12Cr1MoV合金管的需求年均增長可達11-13%。12Cr1MoV合金管使用領域的擴大,將為各行業發展提供更廣闊的空間。
12Cr1MoV合金管最大的優點是可以100%回收,符合節能、環保、節約資源的國家戰略,目前國家政策鼓勵擴大12Cr1MoV合金管的生產力度,擴大其應用領域
合金管常用執行標準:
中國國家標準
----GB3087
----GB5310
美國鍋爐及壓力容器標準----ASME SA210
-----ASME SA213
德國工業標準 -----DIN17175
合金管生產牌號:
15Mo3、13CrMo44、10CrMo910,20MnG、25MnG、15CrMoG、12Cr2MoG、12Cr1MoVG、12Cr2MoWVTiB、10Cr9Mo1VNb、SA210A1、SA210C、SA213 T11、SA213 T12、SA213 T22、SA213 T23、SA213 T91、SA213 T92、ST45.8/Ⅲ等。
12Cr1MoV力學性能
12Cr1MoV合金管力學性能
拉力強度MPa 屈服點MPa 伸長率(%) 拉力強度MPa 屈服點MPa 伸長率(%)
12Cr1MoV 470~640
合金管力學性能
標準 |
牌號 |
抗拉強度(MPa) |
屈服強度(MPa) |
伸長率(%) |
硬度 |
GB3087 |
10 |
335~475 |
≥195 |
≥24 |
/ |
20 |
410~550 |
≥245 |
≥20 |
/ |
GB5310 |
20G |
410~550 |
≥245 |
≥24 |
/ |
20MnG |
≥415 |
≥240 |
≥22 |
/ |
25MnG |
≥485 |
≥275 |
≥20 |
/ |
15CrMoG |
440~640 |
≥235 |
≥21 |
/ |
12Cr2MoG |
450~600 |
≥280 |
≥20 |
/ |
12Cr1MoVG |
470~640 |
≥255 |
≥21 |
/ |
12Cr2MoWVTiB |
540~735 |
≥345 |
≥18 |
/ |
10Cr9Mo1VNb |
≥585 |
≥415 |
≥20 |
/ |
ASME SA210 |
SA210A-1 |
≥415 |
≥255 |
≥30 |
≤143HB |
SA210C |
≥485 |
≥275 |
≥30 |
≤179HB |
ASME SA213 |
SA213 T11 |
≥415 |
≥205 |
≥30 |
≤163HB |
SA213 T12 |
≥415 |
≥220 |
≥30 |
≤163HB |
SA213 T22 |
≥415 |
≥205 |
≥30 |
≤163HB |
SA213 T23 |
≥510 |
≥400 |
≥20 |
≤220HB |
SA213 T91 |
≥585 |
≥415 |
≥20 |
≤250HB |
SA213 T92 |
≥620 |
≥440 |
≥20 |
≤250HB |
DIN17175 |
ST45.8/Ⅲ |
410~530 |
≥255 |
≥21 |
/ |
15Mo3 |
450~600 |
≥270 |
≥22 |
/ |
13CrMo44 |
440~590 |
≥290 |
≥22 |
/ |
10CrMo910 |
480~630 |
≥280 |
≥20 |
/ |
12Cr1MoV合金管化學成分)
C Mn Si Cr Mo V Ti B W Ni AI Nb N S P
12Cr1MoV0.08~0.15 0.40~0.70 0.17~0.37 0.90~1.20 0.25~0.35 0.15~0.30 、0.030、 0.030
合金管化學成分一覽表
標準 |
牌號 |
化學成分(%) |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
Al |
W |
Ti |
Nb |
N |
GB3087 |
10 |
0.07~0.13 |
0.17~0.37 |
0.38~0.65 |
≤0.030 |
≤0.030 |
0.3~0.65 |
/ |
≤0.25 |
≤0.30 |
/ |
/ |
|
|
|
|
20 |
0.17~0.23 |
0.17~0.37 |
0.38~0.65 |
≤0.030 |
≤0.030 |
0.3~0.65 |
/ |
≤0.25 |
≤0.30 |
/ |
/ |
|
|
|
|
GB5310 |
20G |
0.17~0.24 |
0.17~0.37 |
0.35~0.65 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
|
|
|
|
|
20MnG |
0.17~0.24 |
0.17~0.37 |
0.70~1.00 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
|
|
|
|
|
25MnG |
0.18~0.24 |
0.17~0.37 |
0.80~1.10 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
|
|
|
|
|
15CrMo |
0.12~0.18 |
0.17~0.37 |
0.40~0.70 |
≤0.030 |
≤0.030 |
0.80~1.10 |
0.40~0.55 |
≤0.20 |
≤0.30 |
|
|
|
|
|
|
12Cr2MoG |
0.08~0.15 |
≤0.50 |
0.40~0.70 |
≤0.030 |
≤0.030 |
2.00~2.50 |
0.90~1.20 |
≤0.20 |
≤0.30 |
|
|
|
|
|
|
12Cr1MoV |
0.08~0.15 |
0.17~0.37 |
0.40~0.70 |
≤0.030 |
≤0.030 |
0.90~1.20 |
0.25~0.35 |
≤0.20 |
≤0.30 |
0.15~0.30 |
|
|
|
|
|
12Cr2MoWVTiB |
0.08~0.15 |
0.45~0.75 |
0.45~0.65 |
≤0.030 |
≤0.030 |
1.60~2.10 |
0.50~0.65 |
≤0.20 |
≤0.30 |
0.28~0.42 |
|
0.30~0.55 |
0.08~0.15 |
B 0.002~0.008 |
|
10Cr9Mo1VNb |
0.08~0.12 |
0.20~0.50 |
0.30~0.60 |
≤0.020 |
≤0.010 |
8.00~9.50 |
0.85~1.05 |
≤0.20 |
≤0.40 |
0.18~0.25 |
≤0.015 |
|
|
0.06~0.10 |
0.03~0.07 |
ASME SA210 |
SA210A-1 |
0.13~0.19 |
≥0.1 |
0.45~0.65 |
≤0.030 |
≤0.030 |
|
|
|
|
|
|
|
|
|
|
SA210C |
0.18~0.24 |
≥0.1 |
0.80~1.10 |
≤0.030 |
≤0.030 |
|
|
|
|
|
|
|
|
|
|
ASME SA213 |
SA213 T11 |
0.05~0.15 |
0.50~1.0 |
0.30~0.60 |
≤0.030 |
≤0.030 |
1.00~1.50 |
0.50~1.00 |
|
|
|
|
|
|
|
|
SA213 T12 |
0.05~0.15 |
≤0.50 |
0.30~0.61 |
≤0.030 |
≤0.030 |
0.80~1.25 |
0.44~0.65 |
|
|
|
|
|
|
|
|
SA213 T22 |
0.05~0.15 |
≤0.50 |
0.30~0.60 |
≤0.030 |
≤0.010 |
1.90~2.60 |
0.87~1.13 |
|
|
|
|
|
|
|
|
SA213 T23 |
0.04~0.10 |
≤0.50 |
0.10~0.60 |
≤0.030 |
≤0.030 |
1.90~2.60 |
0.05~0.30 |
|
|
|
≤0.030 |
1.45~1.75 |
B 0.0005~0.006 |
0.02~0.08 |
≤0.040 |
SA213 T91 |
0.08~0.12 |
0.20~0.50 |
0.30~0.60 |
≤0.020 |
≤0.010 |
8.00~9.50 |
0.85~1.05 |
|
≤0.40 |
0.18~0.25 |
≤0.015 |
|
|
0.06~0.10 |
0.03~0.07 |
SA213 T92 |
0.07~0.13 |
≤0.50 |
0.30~0.60 |
≤0.020 |
≤0.010 |
8.50~9.50 |
0.30~0.60 |
|
≤0.40 |
0.15~0.25 |
≤0.015 |
1.50~2.00 |
B 0.001~0.006 |
0.04~0.09 |
0.03~0.07 |
DIN 17175 |
ST45.8/Ⅲ |
≤0.21 |
0.10~0.35 |
0.40~1.20 |
≤0.040 |
≤0.040 |
|
|
|
|
|
|
|
|
|
|
15Mo3 |
0.12~0.20 |
0.10~0.35 |
0.40~0.80 |
≤0.035 |
≤0.035 |
|
0.25~0.35 |
|
|
|
|
|
|
|
|
13CrMo44 |
0.10~0.18 |
0.10~0.35 |
0.40~0.70 |
≤0.035 |
≤0.035 |
0.70~1.10 |
0.45~0.65 |
|
|
|
|
|
|
|
|
10CrMo910 |
0.08~0.15 |
≤0.50 |
0.30~0.70 |
≤0.025 |
≤0.020 |
2.00~2.50 |
0.90~1.10 |
≤0.30 |
≤0.30 |
|
≤0.015 |
|
|
合金管主要用途:
合金管一般用于低中壓鍋爐(工作壓力一般不大于5.88Mpa,工作溫度在450℃以下)的受熱面管子;用于高壓鍋爐(工作壓力一般在9.8Mpa以上,工作溫度在450℃~650℃之間)的過熱器、再熱器、受熱面管子、省煤器、石化工業用管等等領域。
合金管主要生產牌號:
20MnG、25MnG、15CrMoG、12Cr2MoG、12Cr1MoVG、12Cr2MoWVTiB、10Cr9Mo1VNb、SA210A1、SA210C、SA213 T11、SA213 T12、SA213 T22、SA213 T23、SA213 T91、SA213 T92、ST45.8/Ⅲ、15Mo3、13CrMo44、10CrMo910,WB36等
合金管尺寸公差
鋼管種類 |
外徑(D) |
壁厚(S) |
冷拔管 |
鋼管外徑(mm) |
允許偏差(mm) |
鋼管壁厚(mm) |
允許偏差(mm) |
>30~50 |
±0.3 |
>3~20 |
±10% |
合金管理論計算:
每米的重量=(外徑-壁厚)*壁厚*0.02466
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