1、2-5 表 2-5 钢管材料许用应力值常温机械性能在下类温度(C)下材料的许用应力值(公斤/厘米 2)序号钢号材料标准壁厚(毫米)b s20100150200250300350400450碳酸钢钢管1 10YB231-7010310021001130113011901000910840780720670YB237-701020320010001070107010309709108407807206702 20YB231-701040002500133013301310122011301030940840800YB237-7010203800230012701270127012201130103
2、0940840800低合金钢钢管3 16MnYB231-70105000330016701670167016301500138012801190950102048003100160016001600159015001380128011909502046002900153015301530147013801280119010909504 15MnVYB231-701052003800173017301730173016901560147013801310102050003600167016701670167016701560147013801310204800340016001600160016
3、0015601470138012801230512GrMoYB237-704200250014001400131012501190118010601000970615GrMoYB237-7045002500150014701380131012501190113010601030712Gr1MoVYB231-7048002600160014701380131012501190113010601030810MoWVNb480030001600160016001600159015601500144013909 Gr2MoYB237-70(4000)(1800)11301070105010301010
4、98095092089010 Gr5MoYB237-7040002000125011301060103010009709409108901109Mn2VYB231-74400300014700高合金钢钢管120Cr18Ni9YB804-70550020001330133013301100133010001260930117087010808001040770990730970720130Cr18Ni910TiYB804-7055002100140014001400115014001050131097012309101170860112083011008101090800141Cr18Ni9Ti
5、YB804-705600210014001400140011501400105013109701230910117086011208301100810109080015Cr18Ni13Mo2TiYB804-7060002100140014001400119014001090135010001270940121089011608601130830112082016Cr18Ni13Mo3TiYB804-706000210014001400140011901400109013501000127094012108901160860113083011208201700Gr18Ni10YB804-70500018001200120012009701200890110082010407709807309607109306909206801800Gr17Ni13Mo2YB804-706000200013301313301113301013109712209111608611208310808010607930 30 40 0 0 0 0 0 01900Gr17Ni13Mo3YB804-7060002000133013301330113013301040131097012209101160860112083010808001060790
