常用钢管尺寸规格一览表
常用钢管规格及用途
下面是一张常用钢管的规格表，其中包括外径和壁厚两个参数。
这些钢管可以用于不同的场合，比如建筑、机械、汽车等领域。
外径(mm) 壁厚(mm) 用途
12 2.5 一般用于自行车和家具
14 0.58 一般用于自行车和家具
18 0.70 一般用于自行车和家具
20 0.95 一般用于自行车和家具
25 1.08 一般用于自行车和家具
32 1.39 一般用于家具和建筑
38 1.76 一般用于家具和建筑
42 2.19 一般用于家具和建筑
45 2.44 一般用于家具和建筑
57 2.62 一般用于建筑和机械
60 3.36 一般用于建筑和机械
73 3.55 一般用于建筑和机械
76 4.35 一般用于建筑和机械
89 4.53 一般用于建筑和机械
102 5.33 一般用于建筑和机械
108 6.13 一般用于建筑和机械
114 3.0 一般用于建筑和机械
133 4.5 一般用于建筑和机械
140 - 一般用于建筑和机械
159 - 一般用于建筑和机械
以上规格表列出了常用的钢管规格，可以根据需要选择不同的尺寸。
钢管的用途也各不相同，需要根据具体情况进行选择。
XXX 5' DN4012' DN300:
W=3.1416*ρδ(D-δ)/1000
Where:
W - theoretical weight of steel pipe per meter in kg/m;
ρ - density of steel in kg/dm-3.values can be 7.81.7.85.or 7.91;
D - XXX pipe in mm;
δ - XXX pipe in mm.
ns:
XXX with the following standards:
DIN-79
JISG3467-88
JISG3458-88
GB5310-95
GB9948-88
ASTMA335/A335m
ASTMA213/A213m
GB5310-95
ASTMA106-99
DIN-79
GB3087-1999
XXX:
12Cr1MoV。
P22(10CrMo910)。
T91.P91.P9.T9.alloy pipe WB36.Cr5Mo(P5.STFA25.T5)。
15CrMo(P11.P12.STFA22)。
13CrMo44.20G。
and A106c are used for high-pressure boilers.
ST45.8/3 pipes are used for low and medium-pressure boilers.
Fluid XXX.
10 and 20 are used for general structures.
Seamless steel pipes are used for high-temperature。
low-temperature。
and n-resistant ns in the petroleum。
chemical。
and power industries.
Seamless steel pipes for high-pressure boilers are used for high-temperature。
n-resistant ns with a diameter range of 16-
824mm and a thickness range of 2-65mm.
Low and medium-pressure boilers XXX 10-530mm and a thickness range of 2-40mm。
as well as steam pipes。
otive smoke pipes。
and large and small XXX.
Fluid XXX 8-630mm and a thickness range of 1.5-75mm。
while general structural pipes have a diameter range of 6-610mm
and a thickness range of 1-70mm。
Seamless pipes are used for furnace pipes。
heat exchange pipes。
and piping with a diameter range of 10-530mm in petroleum refining plants.
Structural pipes with materials such as 20.16Mn。
and Q345 are used in the petroleum cracking industry。
while high-pressure seamless pipes with materials such as 12CrMo and 15CrMo are used in fertilizer equipment.
XXX 70-377mm and a thickness range of 4-40mm are used for hydraulic supports。
while pressure-resistant pipes with a diameter range of 14-426mm and a thickness range of 1.5-60mm are used for shipbuilding。
boilers。
and superheaters。
API pipes are used in the petroleum and natural gas XXX of gas。
water。
and oil.。