恒帆無縫鋼管BOILER-PIPE
使用和應(yīng)用說明:
BOILER-PIPE 鍋爐用厚壁無縫鋼管的應(yīng)用:
中低壓鍋爐厚壁管用于中低壓鍋爐(工作壓力一般大于 5.88Mpa ,工作溫度在 450 ℃以下 )的受熱面管子、集箱及蒸汽管道
高壓鍋爐管用于高壓鍋爐(工作壓力一般在 9.8Mpa 以上,工作溫度在 450 ℃ ~650 ℃之間 )的受熱面管子、集箱、省煤器、過熱器、再熱器等
產(chǎn)品描述 |
標(biāo)準(zhǔn) |
GB/T9711-2011, GB/T5310-2008 |
材質(zhì) |
L245, L360, 20G, 25MnG, 15MoG, 15CrMoG, 12Cr2MoG,12Cr1MoVG |
外徑 |
89MM--720MM |
壁厚 |
4MM--50MM |
鍋爐厚壁管的化學(xué)元素及機(jī)械性能:
Standard |
Grade |
Chemical Composition |
C |
Mn |
Si |
Cr |
Ni |
Cu |
P.S |
GB3087 |
10 |
0.07~0.14 |
0.35~0.65 |
0.17~0.37 |
≤ 0.15 |
≤ 0.30 |
≤ 0.20 |
≤ 0.030 |
20 |
0.17~0.24 |
0.35~0.65 |
0.17~0.37 |
≤ 0.25 |
≤ 0.25 |
≤ 0.20 |
≤ 0.030 |
Mechanical Properties |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation(%) |
10 |
335~475 |
≥ 195 |
≥ 24 |
20 |
410~550 |
≥ 245 |
≥ 20 |
|
|
Standard |
Grade |
Chemical Composition (%) |
C |
Mn |
Si |
V |
Cr |
Mo |
P.S |
GB5310 |
20G |
0.17~0.24 |
035~0.65 |
0.17~0.37 |
/ |
/ |
/ |
≤ 0.030 |
25MnG |
0.22~0.30 |
0.70~1.00 |
0.17~0.37 |
/ |
/ |
/ |
≤ 0.030 |
15MoG |
0.12~0.20 |
0.40~0.80 |
0.17~0.37 |
/ |
/ |
0.25~0.35 |
≤ 0.030 |
15CrMoG |
0.12~0.18 |
0.40~0.70 |
0.17~0.37 |
/ |
0.80~1.10 |
0.40~0.55 |
≤ 0.030 |
12Cr2MoG |
0.08~0.15 |
0.40~0.70 |
≤ 0.50 |
/ |
2.00~2.50 |
0.90~1.20 |
≤ 0.030 |
12Cr1MoVG |
0.08~0.15 |
0.40~0.70 |
0.17~0.37 |
0.15~0.30 |
0.90~1.20 |
0.25~0.35 |
≤ 0.030 |
Mechanical Properties |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation(%) |
20G |
410~550 |
≥ 245 |
≥ 24 |
25MnG |
≥ 415 |
≥ 240 |
≥ 22 |
15MoG |
450~600 |
≥ 270 |
≥ 22 |
15CrMoG |
440~640 |
≥ 235 |
≥ 21 |
12Cr2MoG |
450~600 |
≥ 280 |
≥ 20 |
12Cr1MoVG |
470~640 |
≥ 255 |
≥ 21 |
|
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