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1.Out surface carburized layer 0.3-0.5,inside carburized layer <0.2.
2.Case hardness HRC58-62,insize hardness HRC35-45.
3.Standards :JB/T8118-1997
4: OD,ID,LENGTH: Different size can be available
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Ningbo Haoqi Metal Products Co., Ltd.
solar water pump irrigation,garden hose fittings and valves,stainless steel f...
