T流体输送用不锈钢无缝钢管参数

表 6-25 流体输送用不锈钢热轧（挤，扩）无缝钢管的尺寸规格

外径 4.5 壁厚 68 70 73 76 80 83 89 95 102 108 114 121 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ 5 6 7 8 9 10 11 12 13 14 15 16 17 19 127 133 140 146 152 159 168 180 194 219 245 237 325 351 377 426 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ 注 : 1. ◎ 表示热轧管规格。

2 ．根据需方要求， 经供需双方协议，可供应表 6-25 和表 6-26 规格以外的其他尺

寸的钢管，尺寸偏差执行相邻较大规格的规定。 表 6-26 流体输送用不锈钢冷拔（轧）钢管的尺寸规格

外径 0.5 0.6 0.8 1.0 1.2 1.4 1.5 1.6 2.0 2.2 2.5 2.8 3.0 3.2 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10 11 12 13 14 15 壁厚 6 7 8 9 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 10 ● ● ● ● ● ● ● ● ● ● ● 11 ● ● ● ● ● ● ● ● ● ● ● 12 ● ● ● ● ● ● ● ● ● ● ● ● ● 13 ● ● ● ● ● ● ● ● ● ● ● ● ● 14 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 15 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 16 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 17 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 18 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 19 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 20 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 21 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 22 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 23 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 24 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 25 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 27 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 28 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 30 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 32 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 34 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 35 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 36 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 38 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 40 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 42 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 45 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 48 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 50 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 51 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 53 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 54 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 56 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 57 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 60 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 63 65 68 70 73 75 76 80 83 85 89 90 95 100 102 108 114 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 127 133 140 146 159 168 180 194 219 245 273 325 351 377 426 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 注： ● 表示冷拔（轧）钢管规格。

表 6-27 流体输送用不锈钢无缝钢管的尺寸允许规格偏差 壁厚

热轧（挤压，扩）管 尺寸 /mm 允许偏差 /mm 普通较高级 级 68≤D≤159 ± 1.25 ±1 冷拔（轧）管 尺寸 /mm 允许偏差/mm 普通级 较高级 6~10 >10~30 ±0.20 ±0.15 ±0.30 ±0.20 注：钢管的弯曲度不得大于如

壁厚 <

外径 D 壁厚 S 15915 +15 -12.5 ±12.5 ≥15 +20 -15 外径 D 壁厚 >1~3 S >3 +12% -10% -10% ±10% >30~50 >50 0.5~1 ±0.40 ±0.30 ±0.9% ±0.8% ±0.15 ±0.12 ±14% 下规定：

+12% 15mm ………………………………………………………1.5mm/m 壁厚 ≥ 15mm………………………………………………………2.0mm/m 热扩管 ………………………………………………………3.0mm/m

表 6-28 流体输送用不锈钢无缝钢管的牌号和化学成分

组织序类型 号 奥 1 氏 2 体 型 牌号 0Cr18Ni9 C Si Mn ≤0.07 ≤1.0≤2.00 0 ≤0.030 ≤1.0≤2.00 0 00Cr19Ni10 化学成分（质量分数）（%） P S Ni Cr ≤0.03≤0.038.00~ 17.00~ 5 0 11.00 19.00 ≤0.03≤0.038.00~ 18.00~ 5 00 12.00 20.00 Mo - Ti - 其他 - - - - 3 0Cr23Ni13 ≤0.08 ≤1.0≤2.00 0 ≤0.08 ≤1.0≤2.00 0 ≤0.08 ≤1.0≤2.00 0 ≤0.08 ≤1.0≤2.00 0 ≤0.08 ≤1.0≤2.00 0 ≤0.030 ≤1.0≤2.00 0 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 12.00~ 22.00~ 15.00 24.00 19.00~ 24.00~ 22.00 9.00~ 12.00 9.00~ 26.00 17.00~ 19.00 17.00~ - - - 4 0Cr25Ni20 - 5wc~0.70 - 5 0Cr18Ni10Ti - ≥5wc - 6 0Cr18Ni11Nb - - Nb≥10wc 7 0Cr17Ni14Mo2 8 00Cr17Ni14Mo2 9 0Cr19Ni13Mo3 ≤0.08 ≤1.0≤2.00 0 ≤0.030 ≤1.0≤2.00 0 10 00Cr19Ni13Mo3 11 0Cr18Ni12Mo2Ti ≤0.08 ≤1.0≤2.00 0 1Cr18Ni12Mo2Ti ≤0.12 ≤1.0≤2.00 0 12 13.00 19.00 10.00~ 16.00~ 2.00~- 3.00 14.00 18.50 12.00~ 16.00~ 2.00~- 3.00 15.00 18.00 11.00~ 18.00~ 3.00~- 4.00 15.00 20.00 11.00~ 18.00~ 3000~- 4.00 15.00 20.00 11.00~ 16.00~ 1.80~5wc~0.70 2.50 14.00 19.00 11.00~ 16.00~ 1.80~5(wc-0.02.50 2)~0.80 14.00 19.00 - - - - - - 13 0Cr18Ni12Mo2Ti ≤0.08 ≤1.0≤2.00 0 1Cr18Ni12Mo3Ti ≤0.12 ≤1.0≤2.00 0 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 14 15 0Cr18Ni12Mo2Cu2 ≤0.08 ≤1.0≤2.00 0 16 00Cr18Ni14Mo2Cu2 17 1Cr18Ni9Ti ≤0.030 ≤1.0≤2.00 0 ≤0.12 ≤1.0≤2.00 0 ≤0.08 ≤0.6≤0.80 0 ≤0.08 ≤1.0≤1.50 0 铁素18 体型 奥氏19 体-铁素体型 0Cr13 11.00~ 16.00~ 2.50~5wc~0.70 - 3.50 14.00 19.00 11.00~ 16.00~ 2.50~5(wc-0.0- 3.50 2)~0.80 14.00 19.00 11.00~ 17.00~ 1.20~- Cul.00~22.75 .50 14.00 19.00 12.00~ 17.00~ 1.20~- Cul.00~22.75 .50 16.00 19.00 8.00~ 1700~ - 5(wc-0.0- 2)~0.08 11.00 19.00 ? 12.00~ - - - 14.00 23.00~ 1.00~3.00 28.00 0Cr26Ni5Mo2 3.00~ 6.00 - -

①残余Ni≤0.60。

表 6-29 流体输送用不锈钢无缝钢管的力学性能

组 织 类序型 号 牌号 推荐热处理制度 Σb/MPa 力学性能 σ0.2/MPa ≥ 205 175 205 205 205 205 205 175 205 175 205 205 δ5(%) 密度 / (g/cm3) 7.93 7.93 7.98 7.98 7.95 7.98 7.98 7.98 7.98 7.98 8.00 8.00 奥氏体型 1 0Cr18Ni9 2 00Cr19Ni10 3 0Cr23Ni13 4 0Cr25Ni20 5 0Cr18Ni10Ti 6 0Cr18Ni11Nb 7 0Cr17Ni12Mo2 8 00Cr17Ni14Mo2 9 0Cr19Ni13Mo3 100Cr19Ni13Mo3 0 10Cr18Ni12Mo2Ti 1 11Cr18Ni12Mo2Ti 2 1010~1150℃,急冷 1010~1150℃,急冷 1030~1150℃,急冷 1030~1150℃,急冷 920~1150℃, 急冷 980~1150℃, 急冷 1010~1150℃,急冷 1010~1150℃,急冷 1010~1150℃,急冷 1010~1150℃,急冷 1000~1100℃,急冷 1000~1100℃,急冷 520 480 520 520 520 520 520 480 520 480 530 530 35 35 35 35 35 35 35 35 35 35 35 35 铁素体型 奥氏体-铁素体型 13 14 15 16 17 18 0Cr18Ni12Mo3Ti 1000~1100℃,急冷 1Cr18Ni12Mo3Ti 1000~1100℃,急冷 0Cr18Ni12Mo2Cu2 1010~1150℃,急冷 00Cr18Ni14Mo2Cu2 1010~1150℃,急冷 1Cr18Ni9Ti 1000~1100℃,急冷 0Cr13 780~830℃, 空冷或缓冷 ≥950℃, 急冷 530 530 520 480 520 370 205 205 205 180 205 180 35 35 35 35 35 22 8.10 8.10 7.98 7.98 7.90 7.70 590 390 18 7.80 10Cr26Ni5Mo2 9 注：1. 热挤压管的抗拉强度允许降低20MPa。

2. 钢管经热处理并酸洗交货。凡经整体磨，镗或经保护气氛热处理的钢管，可不经酸洗交货。

3．根据需方要求，在合同中注明，可测定钢管的屈服强度。