27SiMn stainless steel pipe .Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2-50mm 27SiMn stainless steel pipe  Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less than13.5M ...

25Mn stainless steel pipe .Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2-50mm 25Mn stainless steel pipe  Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less than13.5M ...

16Mn stainless steel pipe .Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2-50mm 16Mn stainless steel pipe  Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less than13.5M ...

45# stainless steel pipe .Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2-50mm 45# stainless steel pipe  Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less than13.5M ...

20# stainless steel pipe .Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2-50mm 20# stainless steel pipe Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less than13.5M ...

furniture steel chrome pipe and tube1.Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2- furniture steel chrome pipe and tube Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less...

galvanized steel square tube 1.Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2-50mm galvanized steel square tube Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less than13.5M ...

cold drawn seamless tube 1.Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2-50mm cold drawn seamless tube Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less than13.5M ...

ss 316l seamless tube 1.Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thickness:2-50mm ss 316l seamless tube Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less than13.5M ...

cold drawn seamless mechanical tube a5191.Grade: 20#,45#,16Mn, 27SiMn,25Mn 2.Standard: API, GB 3.Diameter:50-300mm 4.Thicknes cold drawn seamless mechanical tube a519 Product varietyProcessing modeDiameterLengthLinearityPrecisionRoughness of inner holeCold drawn50-300less...