(2010年)最新公稱壓力(MPa)管道壁厚對照表
 
 
                                 (一)無縫碳鋼管壁厚                                m m
| 
 材料  | 
 PN 
MPa  | 
 DN  | 
| 
 10  | 
 15  | 
 20  | 
 25  | 
 32  | 
 40  | 
 50  | 
 65  | 
 80  | 
 100  | 
 125  | 
 150  | 
 200  | 
 250  | 
 300  | 
 350  | 
 400  | 
 450  | 
 500  | 
 600  | 
    | 
| 
 20 
12CrMo 
15CrMo 
12Cr1MoV  | 
 ≤1.6  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 7  | 
 8  | 
 8  | 
 8  | 
 9  | 
    | 
| 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 2  | 
 3.5  | 
 3.5  | 
 4  | 
 4  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 7  | 
 8  | 
 8  | 
 9  | 
 10  | 
    | 
| 
 4.0  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 5.5  | 
 7  | 
 8  | 
 9  | 
 10  | 
 11  | 
 12  | 
 13  | 
 15  | 
    | 
| 
 6.4  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 11  | 
 12  | 
 14  | 
 16  | 
 17  | 
 19  | 
 22  | 
    | 
| 
 10.0  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 10  | 
 13  | 
 15  | 
 18  | 
 20  | 
 22  | 
    | 
    | 
    | 
    | 
| 
 16.0  | 
 4  | 
 4.5  | 
 5  | 
 5  | 
 6  | 
 6  | 
 7  | 
 8  | 
 9  | 
 11  | 
 13  | 
 15  | 
 19  | 
 24  | 
 26  | 
 30  | 
 34  | 
    | 
    | 
    | 
    | 
| 
 20.0  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 6  | 
 7  | 
 8  | 
 9  | 
 11  | 
 13  | 
 15  | 
 18  | 
 22  | 
 28  | 
 32  | 
 36  | 
    | 
    | 
    | 
    | 
    | 
| 
 4.0T  | 
 3.5  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 5  | 
 5.5  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
| 
 10 
Cr5Mo  | 
 ≤1.6  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 4  | 
 4  | 
 4.5  | 
 5.5  | 
 7  | 
 7  | 
 8  | 
 8  | 
 8  | 
 8  | 
 9  | 
    | 
| 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 4  | 
 5  | 
 4.5  | 
 5.5  | 
 7  | 
 7  | 
 8  | 
 9  | 
 9  | 
 10  | 
 12  | 
    | 
| 
 4.0  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 5.5  | 
 6  | 
 8  | 
 9  | 
 10  | 
 11  | 
 12  | 
 14  | 
 15  | 
 18  | 
    | 
| 
 6.4  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 5.5  | 
 7  | 
 8  | 
 9  | 
 11  | 
 13  | 
 14  | 
 16  | 
 18  | 
 20  | 
 22  | 
 26  | 
    | 
| 
 10.0  | 
 3  | 
 3.5  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 5.5  | 
 7  | 
 8  | 
 9  | 
 10  | 
 12  | 
 15  | 
 18  | 
 22  | 
 24  | 
 26  | 
    | 
    | 
    | 
    | 
| 
 16.0  | 
 4  | 
 4.5  | 
 5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 10  | 
 12  | 
 15  | 
 18  | 
 22  | 
 28  | 
 32  | 
 36  | 
 40  | 
    | 
    | 
    | 
    | 
| 
 20.0  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 11  | 
 12  | 
 15  | 
 18  | 
 22  | 
 26  | 
 34  | 
 38  | 
    | 
    | 
    | 
    | 
    | 
    | 
| 
 4.0T  | 
 3.5  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 5  | 
 5.5  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
| 
 16Mn 
15MnV  | 
 ≤1.6  | 
 2.5  | 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 5.5  | 
 6  | 
 6  | 
 6  | 
 6  | 
 7  | 
    | 
| 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 5.5  | 
 6  | 
 7  | 
 7  | 
 8  | 
 9  | 
    | 
| 
 4.0  | 
 2.5  | 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 8  | 
 9  | 
 10  | 
 11  | 
 12  | 
    | 
| 
 6.4  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 11  | 
 12  | 
 13  | 
 14  | 
 16  | 
 18  | 
    | 
| 
 10.0  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 11  | 
 13  | 
 15  | 
 17  | 
 19  | 
    | 
    | 
    | 
    | 
| 
 16.0  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 11  | 
 12  | 
 16  | 
 19  | 
 22  | 
 25  | 
 28  | 
    | 
    | 
    | 
    | 
| 
 20.0  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 5.5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 11  | 
 13  | 
 15  | 
 19  | 
 24  | 
 26  | 
 30  | 
    | 
    | 
    | 
    | 
    | 
 
 
| 
 材料  | 
 PN 
MPa  | 
 DN  | 
| 
 10  | 
 15  | 
 20  | 
 25  | 
 32  | 
 40  | 
 50  | 
 65  | 
 80  | 
 100  | 
 125  | 
 150  | 
 200  | 
 250  | 
 300  | 
 350  | 
 400  | 
 450  | 
 500  | 
 600  | 
| 
 1Cr18Ni9Ti 
含Mo不銹鋼  | 
 ≤1.0  | 
 2  | 
 2  | 
 2  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 3.5  | 
 4  | 
 4  | 
 4.5  | 
    | 
    | 
    | 
| 
 1.6  | 
 2  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 5  | 
    | 
    | 
    | 
| 
 2.5  | 
 2  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 6  | 
 7  | 
    | 
    | 
    | 
| 
 4.0  | 
 2  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 10  | 
    | 
    | 
    | 
| 
 6.4  | 
 2.5  | 
 2.5  | 
 2.5  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 10  | 
 11  | 
 13  | 
 14  | 
    | 
    | 
    | 
| 
 4.0T  | 
 3  | 
 3.5  | 
 3.5  | 
 4  | 
 4  | 
 4  | 
 4.5  | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
    | 
 
 
(三)焊接鋼管壁厚                            mm
| 
 材料  | 
 PN 
MPa  | 
 DN  | 
| 
 200  | 
 250  | 
 300  | 
 350  | 
 400  | 
 450  | 
 500  | 
 600  | 
 700  | 
 800  | 
 900  | 
 1000  | 
 1100  | 
 1200  | 
 1400  | 
 1600  | 
| 
 焊接碳鋼管 
(Q235A20)  | 
 0.25  | 
 5  | 
 5  | 
 5  | 
 5  | 
 5  | 
 5  | 
 5  | 
 6  | 
 6  | 
 6  | 
 6  | 
 6  | 
 6  | 
 7  | 
 7  | 
 7  | 
| 
 0.6  | 
 5  | 
 5  | 
 6  | 
 6  | 
 6  | 
 6  | 
 6  | 
 7  | 
 7  | 
 7  | 
 7  | 
 8  | 
 8  | 
 8  | 
 9  | 
 10  | 
| 
 1.0  | 
 5  | 
 5  | 
 6  | 
 6  | 
 6  | 
 7  | 
 7  | 
 8  | 
 8  | 
 9  | 
 9  | 
 10  | 
 11  | 
 11  | 
 12  | 
    | 
| 
 1.6  | 
 6  | 
 6  | 
 7  | 
 7  | 
 8  | 
 8  | 
 9  | 
 10  | 
 11  | 
 12  | 
 13  | 
 14  | 
 15  | 
 16  | 
    | 
    | 
| 
 2.5  | 
 7  | 
 8  | 
 9  | 
 9  | 
 10  | 
 11  | 
 12  | 
 13  | 
 15  | 
 16  | 
    | 
    | 
    | 
    | 
    | 
    | 
| 
 焊接不銹鋼管  | 
 0.25  | 
 3  | 
 3  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 3.5  | 
 4  | 
 4  | 
 4  | 
 4.5  | 
 4.5  | 
    | 
    | 
    | 
    | 
| 
 0.6  | 
 3  | 
 3  | 
 3.5  | 
 3.5  | 
 3.5  | 
 4  | 
 4  | 
 4.5  | 
 5  | 
 5  | 
 6  | 
 6  | 
    | 
    | 
    | 
    | 
| 
 1.0  | 
 3.5  | 
 3.5  | 
 4  | 
 4.5  | 
 4.5  | 
 5  | 
 5.5  | 
 6  | 
 7  | 
 7  | 
 8  | 
    | 
    | 
    | 
    | 
    | 
| 
 1.6  | 
 4  | 
 4.5  | 
 5  | 
 6  | 
 6  | 
 7  | 
 7  | 
 8  | 
 9  | 
 10  | 
    | 
    | 
    | 
    | 
    | 
    | 
| 
 2.5  | 
 5  | 
 6  | 
 7  | 
 8  | 
 9  | 
 9  | 
 10  | 
 12  | 
 13  | 
 15  | 
    | 
    | 
    | 
    | 
    | 
    |