SA-213/SA-213M 锅炉、过热器和换热器用无缝铁素体和奥氏体合金钢管
1 适用范围
1.3 通常按本标准提供的管子尺寸和厚度为，内径3.2mm～外径127mm，并最小壁厚从0.4mm～12.7mm。
3 一般要求
按本标准提供的材料，还应符合现行版本的A450/A450M标准的要求。
A450/A450M 《碳钢，铁素体合金钢和奥氏体合金钢管子通用要求》
5 制造
5.2 晶粒度
5.2.1 304H、316H、321、347H、348H和310HCbN级钢按E112试验方法测的的晶粒度应是7号或更细。
5.2.2 冷加工的TP321H级钢的晶粒度按E112试验方法测的的晶粒度应是7号或更粗。
5.2.3 TP309H、TP309HCb、TP310HCb按E112试验方法测的的晶粒度应是6号或更粗。
5.2.4冷加工的TP347HFG级钢的晶粒度按E112试验方法测的的晶粒度应是7号～10号。
8 成品分析
8.2 T91级钢的碳含量的成品分析值可与规定的范围值偏差在－0.01％～＋0.02％以内，T91碳0.08～0.12。
10 硬度要求
10.1 铁素体级别：
10.1.1 T5b、T7和T9级钢的硬度应不超过179HB/190HV/89HRB。T91和T92级钢的硬度应不超过250HB/265HV/25HRC。
10.1.2 18Cr-2Mo级钢的硬度应不超过217HB/230HV/96HRB。
10.1.3 所有其它的铁素体级别的硬度应不超过163HB/170HV/85HRB。
10.2 奥氏体级别：
10.2.1 TP201和TP202级钢的硬度应不超过219HB230HV/95HRB。
10.2.2 S30815、S31272、S31050和S25700的硬度应不超过217HB/95HRB。
10.2.3 TP310HCbN的硬度应不超过256HB/100HRB。
10.2.4 XM-19（UNS S20910）级钢的硬度应不超过250HB/265HV/25HRC。
10.2.5所有其它的奥氏体级别的硬度应不超过192HB/200HV/90HRB。
9 拉伸要求
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标准号
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级别
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UNS钢号
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公称化学成份
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σb≥ksi（MPa）
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σs≥ksi（MPa）
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δ5≥％
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A213
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T2
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1/2Cr-1/2Mo
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60(415)
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30(205)
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30
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T5
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5Cr-1/2Mo
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T5B
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5Cr-1/2Mo-11/2Si
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T5C
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5Cr-1/2Mo-Ti
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T9
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9Cr-1Mo
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T11
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11/4Cr-1/2Mo
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T12
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1Cr-1/2Mo
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60(415)
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32(220)
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30
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T21
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3Cr-1Mo
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60(415)
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30(205)
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30
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T22
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21/4Cr-1Mo
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60(415)
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30(205)
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30
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T91
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9Cr-1Mo-V
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85(585)
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60(415)
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20
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T92
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K92460
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1/2Cr-1/2Mo
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90(620)
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64(440)
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20
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18Cr-2Mo
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60(415)
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40(275)
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20
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A335
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P1
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C-1/2Mo
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55
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30(205)
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P2
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1/2Cr-1/2Mo
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55
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30(205)
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P5
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5Cr-1/2Mo
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60(415)
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30(205)
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P5B
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5Cr-1/2Mo-11/2Si
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60(415)
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30(205)
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P5C
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5Cr-1/2Mo-Ti
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60(415)
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30(205)
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P9
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9Cr-1Mo
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60(415)
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30(205)
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P11
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11/4Cr-1/2Mo-Si
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60(415)
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30(205)
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P12
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1Cr-1/2Mo
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60(415)
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32(220)
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P21
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3Cr-1Mo
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60(415)
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30(205)
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P22
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21/4Cr-1Mo
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60(415)
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30(205)
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P91
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9Cr-1Mo-V
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85(585)
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60(415)
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A213
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TP304
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S30400
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18Cr-8Ni
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75
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30
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TP304H
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S30409
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18Cr-8Ni
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75
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30
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TP304L
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S30403
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18Cr-8Ni
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70
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25
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TP304N
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S30451
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18Cr-8Ni-N
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80
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35
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TP309H
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S30909
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23Cr-12Ni
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75
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30
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TP310H
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S31009
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23Cr-12Ni
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75
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30
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TP316
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S31600
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16Cr-12Ni-2Mo
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75
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30
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TP316H
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S31609
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16Cr-12Ni-2Mo
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75
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30
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TP316L
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S31603
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16Cr-12Ni-2Mo
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70
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25
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TP316N
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S31651
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16Cr-12Ni-2Mo-N
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80
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35
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TP321
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S32100
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18Cr-10Ni-Ti
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75
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30
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TP321H
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S32109
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18Cr-10Ni-Ti
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75
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30
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TP347
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S34700
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18Cr-10Ni-Cb
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75
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30
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TP347H
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S34709
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18Cr-10Ni-Cb
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75
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30
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TP348
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S34800
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18Cr-10Ni-Cb
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75
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30
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TP348H
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S34809
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18Cr-10Ni-Cb
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75
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30
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表A-2 许用压力要求
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标准号
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级别
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不超过下列金属温度（°F）时最大许用拉应力值，ksi
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-20~400
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500
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600
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700
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800
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850
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900
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950
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1000
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1050
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1100
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1150
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1200
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A213
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T2
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T5
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T5B
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T5C
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T9
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T11
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T12
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T21
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T22
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T91
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T92
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18Cr-2Mo
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A335
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P1
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P2
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P5
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P5B
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P5C
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P9
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P11
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P12
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P21
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P22
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P91
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A213
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TP304
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TP304H
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TP304L
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TP304N
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TP309H
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TP310H
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TP316
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TP316H
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TP316L
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TP316N
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TP321
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TP321H
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TP347
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TP347H
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TP348
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TP348H
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