一般普通焊接钢管承受压力是多少,如DN150,壁厚4.5mm,的钢管。有计算方式不?

2024-11-27 01:57:41
推荐回答(3个)
回答1:

这个不是用算的,有一个压力等级表。

ANSI B36.19标准的不锈钢管尺寸表
公称直径 压力等级 外径(OD) 内径(ID) 壁厚(t) 公称直径 压力等级 外径(OD) 内径(ID) 壁厚(t)

1/8” Sch.10s 10.29 7.81 1.24
2-1/2” Sch.05s 73.03 68.81 2.11
Sch.40s 6.83 1.73 Sch.10s 66.93 3.05
Sch.80s 5.47 2.41 Sch.40s 62.71 5.16

1/4” Sch.10s 13.72 10.40 1.65 Sch.80s 59.01 7.01
Sch.40s 9.24 2.24

3” Sch.05s 88.90 84.68 2.11
Sch.80s 7.68 3.02 Sch.10s 82.80 3.05

3/8” Sch.10s 17.15 14.85 1.65 Sch.40s 76.92 5.49
Sch.40s 12.53 2.31 Sch.80s 73.66 7.62
Sch.80s 10.75 3.20 Sch.160s 66.64 11.13

1/2” Sch.05s 21.34 18.04 1.65
3-1/2”
Sch.05s 101.60 97.38 2.11
Sch.10s 17.12 2.11 Sch.10s 95.50 3.05
Sch.40s 15.80 2.77 Sch.40s 90.12 5.74
Sch.80s 13.88 3.73 Sch.80s 85.44 8.08
Sch.160s 11.84 4.75

4” Sch.05s 114.30 110.08 2.11
Sch.XXs 7.47 6.40 Sch.10s 108.20 3.05

3/4” Sch.05s 26.67 23.37 1.65 Sch.40s 102.26 6.02
Sch.10s 22.45 2.11 Sch.80s 97.18 8.56
Sch.40s 20.93 2.87 Sch.160s 87.32 13.49
Sch.80s 18.85 3.91
5” Sch.05s 141.30 135.76 2.77
Sch.160s 15.59 5.54 Sch.10s 134.50 3.40
Sch.XXs 11.03 7.82 Sch.40s 128.20 6.35

1” Sch.05s 33.40 30.10 1.65 Sch.80s 122.26 9.53
Sch.10s 27.86 2.77
6” Sch.05s 168.28 162.74 2.77
Sch.40s 26.64 3.38 Sch.10s 161.48 3.40
Sch.80s 24.30 4.55 Sch.40s 154.06 7.11
Sch.160s 20.70 6.35 Sch.80s 146.34 10.97
Sch.XXs 15.22 9.09

8” Sch.05s 219.08 213.54 2.77

1-1/4” Sch.05s 42.16 38.86 1.65 Sch.10s 211.56 3.76
Sch.10s 36.62 2.77 Sch.20 208.38 6.35
Sch.40s 35.04 3.56 Sch.40s 202.72 8.18
Sch.80s 32.46 4.85 Sch.80s 193.68 12.70
Sch.160s 29.46 6.35

10” Sch.05s 273.05 266.25 3.40

1-1/2” Sch.05s 48.26 44.96 1.65 Sch.10s 264.67 4.19
Sch.10s 42.72 2.77 Sch.20 260.35 6.35
Sch.40s 40.90 3.68 Sch.40s 254.51 9.27
Sch.80s 38.10 5.08 Sch.80s 247.65 12.70
Sch.160s 33.98 7.14

12” Sch.05s 323.85 315.93 3.96

2” Sch.05s 60.33 57.03 1.65 Sch.10s 314.71 4.57
Sch.10s 54.79 2.77 Sch.20 311.15 6.35
Sch.40s 52.51 3.91 Sch.40s 304.79 9.53
Sch.80s 49.25 5.54 Sch.80s 298.45 12.70
Sch.160s 42.91 8.71

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回答2:

压力约0.8--1.0兆帕。

回答3:

立井用焊接管杨程8百米可以用吗?