Product: JIS G3461 Carbon Steel Boiler Tube. OD: 19.05 mm to 168.3 mm. WT: 2.0 mm to 14 mm. Length:...
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Product: JIS G3462 STB12 Alloy Steel Boiler Tube. Grades: STB12, STB13, STB20, STB22, STB23, STB24,...