主要铁素体马氏体不锈钢化学成分和机械性能表
标准 钢种 化学成分 Chemical Composition(%)
Standard Steel Grade C Mn Si P S Cr
A/SA268 TP405 ≤ 0.08 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 11.50~14.50
Ni≤ 0.50 Al:0.10~0.30
A/SA268 TP410 ≤ 0.15 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 11.50~13.50
A/SA268 TP410S ≤ 0.08 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 11.50~13.50
A/SA268 TP430 ≤ 0.12 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 16.00~18.00
A/SA268 TP430Ti ≤ 0.10 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 16.00~19.50
Ni≤ 0.75 Ti: 5C~0.75
A/SA268 TP446 ≤ 0.20 ≤ 1.50 ≤ 1.00 ≤ 0.040 ≤ 0.030 23.00~27.00
Ni≤ 0.75 N: ≤ 0.25
A/SA268 TP409 ≤ 0.08 ≤ 1.00 ≤ 1.00 ≤ 0.045 ≤ 0.030 10.50~11.70
Ni≤ 0.50 Ti: 6C~0.75
A/SA268 TP439 ≤ 0.07 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 17.00~19.00
Ni≤ 0.50 N: ≤ 0.04 Ti: 0.2+ 4(C+N)~1.1
A/SA268 TP444 ≤ 0.025 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 17.50~19.50
Ni≤ 1.00 Mo: 1.75~2.5 (Ti+Cb): 0.2+ 4(C+N)~0.8 N:≤ 0.035
A/SA756/268 440C 0.95~1.10 ≤ 1.00 ≤ 1.00 ≤ 0.025 ≤ 0.025 16.00~18.00
Mo: 0.4~0.7
A/SA693 17-4PH ≤ 0.07 ≤ 1.00 ≤ 1.00 ≤ 0.040 ≤ 0.030 15.50~17.50
Ni: 3.00~5.00 Cu: 3.0~5.0 Nb: 0.15~0.45
GOST9941-81 15Cr25Ti ≤ 0.15 ≤ 0.80 ≤ 1.00 ≤ 0.035 ≤ 0.025 24.00~27.00
Ti:5C~0.90
API 5CT L80/9Cr ≤ 0.15 0.30~0.60 ≤ 1.00 ≤ 0.020 ≤ 0.010 8.00~10.00
Mo: 0.90~1.10
API 5CT L80/13Cr 0.15~0.22 0.25~1.00 ≤ 1.00 ≤ 0.020 ≤ 0.010 12.0~14.0
其他材质铬不锈钢管亦可以生产
标准 钢种 机械性能 延伸 硬度
Standard Steel Grade Mechanical Properties Elongation Hardness
Y.S. (MPa) T. S. (MPa) (%) (HRB)
A/SA268 TP405 ≥ 415 ≥ 205 ≥ 30 ≤ 85
A/SA268 TP410 ≥ 415 ≥ 205 ≥ 30 ≤ 85
A/SA268 TP410S ≥ 415 ≥ 205 ≥ 30 ≤ 85
A/SA268 TP430 ≥ 415 ≥ 205 ≥ 30 ≤ 85
A/SA268 TP430Ti
A/SA268 TP446 ≥ 415 ≥ 205 ≥ 30 ≤ 85
A/SA268 TP409 ≥ 415 ≥ 205 ≥ 30 ≤ 85
A/SA268 TP439 ≥ 380 ≥ 205 ≥ 22 ≤ 80
A/SA268 TP444 ≥ 415 ≥ 220 ≥ 22 ≤ 81
A/SA756/268 440C
A/SA693 17-4PH
GOST9941-81 15Cr25Ti ≥ 415 ≥ 205 ≥ 30 ≤ 85
API 5CT L80/9Cr ≥ 655 ≥ 552 ≥ 20 ≤ 23HRC
API 5CT L80/13Cr ≥ 655 ≥ 552 ≥ 20
≤ 23HRC
尺寸公差
Size Tol. (ASTM A1016)
外径 Dimension(D) 壁厚 Wall thickness(S)
(mm) Tolerance(mm) (mm) Tolerance(mm)
冷拔或冷轧管 Cold Drawn/Rolled Tube <25.4 +/- 0.1 ≤38.1 +20%~0
25.4~38.1 +/- 0.15
>38.1~<50.8 +/- 0.2 >38.1 +22%~0
50.8~<63.5 +/- 0.25
63.5~<76.2 +/- 0.3
Size Tol.for pipes per ASTM A530
可生产管材尺寸范围
Products 外径 OD 壁厚 WT 长度 Length
Inch MM Inch MM Ft max. M max.
Tube 1/2"-3" 12.0-76.2 0.02"-0.5" 0.5-12.0 105' 32
Pipe NPS1/2"-6" 21.34-168.3 Sch10-Sch80 2.11-12.7 98' 30
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