低温用无缝钢管合金管 
低温管道用无缝钢管  
  产品规格:8-1240×1-200mm<1/8”—48”×SCH5S—SCH160、STD、XS、XXS>  
  执行标准:GB/T18984-2003、ASTM A333  
  产品材质:16MnDG、10MnDG、09DG、09Mn2VDG、06Ni3MoDG、  
  ASTM A333-Grade1、Grade3、Grade4、Grade6、Grade7、Grade8、Grade9、  
  Grade10、Grade11  
  产品应用:适用于-45℃~-195℃级低温压力容器管道以及低温热交换器管道用无缝钢管  
  冲击温度:  
    
 
| 
   级别  | 
 最低冲击试验温度  | 
    |  
| 
 ℉  | 
 ℃  | 
    |  
| 
 16MnDG  | 
 --  | 
 -45  |  
| 
 10MnDG  | 
 --  | 
 -45  |  
| 
 09DG  | 
 --  | 
 -45  |  
| 
 09Mn2VDG  | 
 --  | 
 -70  |  
| 
 06Ni3MoDG  | 
 --  | 
 -100  |  
| 
 A333 Grade1  | 
 -50  | 
 -45  |  
| 
 A333 Grade3  | 
 -150  | 
 -100  |  
| 
 A333 Grade4  | 
 -150  | 
 -100  |  
| 
 A333 Grade6  | 
 -50  | 
 -45  |  
| 
 A333 Grade7  | 
 -100  | 
 -75  |  
| 
 A333 Grade8  | 
 -320  | 
 -195  |  
| 
 A333 Grade9  | 
 -100  | 
 -75  |  
| 
 A333 Grade10  | 
 -75  | 
 -60  |  
| 
 A333 Grade11  | 
 --  | 
 --  |   
力学性能:  
    
 
| 
   标准  | 
 牌号  | 
 抗拉强度  
  (Mpa)  | 
 屈服强度  
  (Mpa)  | 
 伸长率(%)  | 
    |  
| 
 纵向  | 
 横向  | 
    | 
    | 
    | 
    |  
| 
 GB/T1898  
  -2003  | 
 16MnDG  | 
 490-665  | 
 ≥325  | 
 ≥30  | 
 --  |  
| 
 10MnDG  | 
 ≥400  | 
 ≥240  | 
 ≥35  | 
 --  | 
    |  
| 
 09DG  | 
 ≥385  | 
 ≥210  | 
 ≥35  | 
 --  | 
    |  
| 
 09Mn2VDG  | 
 ≥450  | 
 ≥300  | 
 ≥30  | 
 --  | 
    |  
| 
 06Ni3MoDG  | 
 ≥455  | 
 ≥250  | 
 ≥30  | 
 --  | 
    |  
| 
 ASTM A333  | 
 Grade1  | 
 ≥380  | 
 ≥205  | 
 ≥35  | 
 ≥25  |  
| 
 Grade3  | 
 ≥450  | 
 ≥240  | 
 ≥30  | 
 ≥20  | 
    |  
| 
 Grade4  | 
 ≥415  | 
 ≥240  | 
 ≥30  | 
 ≥16.5  | 
    |  
| 
 Grade6  | 
 ≥415  | 
 ≥240  | 
 ≥30  | 
 ≥16.5  | 
    |  
| 
 Grade7  | 
 ≥450  | 
 ≥240  | 
 ≥30  | 
 ≥22  | 
    |  
| 
 Grade8  | 
 ≥690  | 
 ≥515  | 
 ≥22  | 
 --  | 
    |  
| 
 Grade9  | 
 ≥435  | 
 ≥315  | 
 ≥28  | 
 --  | 
    |  
| 
 Grade10  | 
 ≥550  | 
 ≥450  | 
 ≥22  | 
 --  | 
    |  
| 
 Grade11  | 
 ≥450  | 
 ≥240  | 
 ≥18  | 
 --  | 
    |   
化学成分:  
    
 
| 
   标准  | 
 牌号  | 
 化学成分(%)  |  
| 
 C  | 
 Si  | 
 Mn  | 
 P  | 
 S  | 
 Cr  | 
 Ni  | 
 Cu  | 
 Mo  | 
 V  | 
 Al  |  
| 
 GB/T18984  
  -2003  | 
 16MnDG  | 
 0.12-0.20  | 
 0.20-0.55  | 
 1.20-1.60  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 --  | 
 --  | 
 --  | 
 --  | 
 --  |  
| 
 10MnDG  | 
 ≤0.13  | 
 0.17-0.37  | 
 ≤1.35  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 --  | 
 --  | 
 --  | 
 ≤0.07  | 
 --  | 
    |  
| 
 09DG  | 
 ≤0.12  | 
 0.17-0.37  | 
 ≤0.95  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 --  | 
 --  | 
 --  | 
 ≤0.07  | 
 --  | 
    |  
| 
 09Mn2VDG  | 
 ≤0.12  | 
 0.17-0.37  | 
 ≤1.85  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 --  | 
 --  | 
 --  | 
 ≤0.12  | 
 --  | 
    |  
| 
 06Ni3MoDG  | 
 ≤0.08  | 
 0.17-0.37  | 
 ≤0.85  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 2.5-3.7  | 
 --  | 
 0.15-0.30  | 
 ≤0.05  | 
 --  | 
    |  
| 
 ASTM A333  | 
 Grade1  | 
 ≤0.30  | 
 --  | 
 0.40-1.06  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 --  | 
 --  | 
 --  | 
 --  | 
 --  |  
| 
 Grade3  | 
 ≤0.19  | 
 0.18-0.37  | 
 0.31-0.64  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 3.18-3.82  | 
 --  | 
 --  | 
 --  | 
 --  | 
    |  
| 
 Grade4  | 
 ≤0.12  | 
 0.18-0.37  | 
 0.50-1.05  | 
 ≤0.025  | 
 ≤0.025  | 
 0.44-1.01  | 
 0.47-0.98  | 
 0.40-0.75  | 
 --  | 
 --  | 
 0.04-0.30  | 
    |  
| 
 Grade6  | 
 ≤0.30  | 
 ≥0.10  | 
 0.29-1.06  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 --  | 
 --  | 
 --  | 
 --  | 
 --  | 
    |  
| 
 Grade7  | 
 ≤0.19  | 
 0.13-0.32  | 
 ≤0.90  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 2.03-2.57  | 
 --  | 
 --  | 
 --  | 
 --  | 
    |  
| 
 Grade8  | 
 ≤0.13  | 
 0.13-0.32  | 
 ≤0.90  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 8.40-9.60  | 
 --  | 
 --  | 
 --  | 
 --  | 
    |  
| 
 Grade9  | 
 ≤0.20  | 
 --  | 
 0.40-1.06  | 
 ≤0.025  | 
 ≤0.025  | 
 --  | 
 1.60-2.24  | 
 0.75-1.25  | 
 --  | 
 --  | 
 --  | 
    |  
| 
 Grade10  | 
 ≤0.20  | 
 0.10-0.35  | 
 1.15-1.50  | 
 ≤0.030  | 
 ≤0.015  | 
 ≤0.15  | 
 ≤0.25  | 
 ≤0.015  | 
 ≤0.50  | 
 ≤0.12  | 
 ≤0.06  | 
    |  
| 
 Grade11  | 
 ≤0.10  | 
 ≤0.035  | 
 ≤0.60  | 
 ≤0.025  | 
 ≤0.025  | 
 ≤0.50  | 
 35.0-37.0  | 
 --  | 
 ≤0.50  | 
 --  | 
 --  | 
    |   
                       
                       
                   |