2.25Cr-1Mo,屬于美國牌號的鋼板·另一種叫法為:SA387Gr22CL2或者是A387Gr22CL2.
2.25Cr1Mo是系列鋼,是ASME SA213(SA335)規(guī)范材料。我國GB5310-95已將其列入,所以你可以查GB5310-95、GB5310-2008對應(yīng)我國牌號是:12Cr2MoG
外觀:ASTM A20/A20M 內(nèi)部:ASTM A387/A387M
主要用于美國項(xiàng)目和工程. Component Elements Properties Metric English Comments
Boron, B 0.0010 - 0.0030 % 0.0010 - 0.0030 %
Carbon, C 0.10 - 0.15 % 0.10 - 0.15 %
Chromium, Cr 2.75 - 3.25 % 2.75 - 3.25 %
Copper, Cu <= 0.25 % <= 0.25 %
Iron, Fe 93.882 - 95.734 % 93.882 - 95.734 %
Manganese, Mn 0.30 - 0.60 % 0.30 - 0.60 %
Molybdenum, Mo 0.90 - 1.10 % 0.90 - 1.10 %
Nickel, Ni (Orders:137/8188/0376) <= 0.25 % <= 0.25 %
Phosphorous, P <= 0.025 % <= 0.025 %
Silicon, Si <= 0.13 % <= 0.13 %
Sulfur, S <= 0.025 % <= 0.025 %
Titanium, Ti 0.015 - 0.035 % 0.015 - 0.035 %
Vanadium, V 0.20 - 0.30 % 0.20 - 0.30 %
實(shí)驗(yàn)溫度°C:200=性能Rp0.2=399;250=性能Rp0.2=380;300=性能Rp0.2=385;350=性能Rp0.2=385;400=性能Rp0.2=370;450=性能Rp0.2=373;500=性能Rp0.2=350;540=性能Rp0.2=330;
在ASME SA387里沒有找到GR.22 的CL2,一般CL就是CLASS的簡寫
看具體英文說明 www.hgwugang.com Each grade except Grades 21L, 22L, and 91 is
available in two classes of tensile strength levels as defined
in the Tensile Requirements tables. Grades 21L and 22L
are available only as Class 1. Grade 91 is available only