Jiangsu Hongbao Group Co., Ltd. 

Manufacture since 1958

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seamless round tubes

Good quality Precision Steel Tube for sales
Good quality Precision Steel Tube for sales
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seamless round tubes

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China OD 4mm Precision Seamless Steel Tubes , Small Diameter Seamless Round Tubes factory

OD 4mm Precision Seamless Steel Tubes , Small Diameter Seamless Round Tubes

Delivery Condition GBK Precision Seamless Steel Tubes Standard EN10305-1 Steel Round Pipe What is precision seamless steel tubes? Precision seamless steel tube is a high precision steel tube after cold rolling ... Read More
2018-03-28 18:11:02
China Shot Blasting Precision Seamless Steel Tubes , Plain End Round Steel Tubing factory

Shot Blasting Precision Seamless Steel Tubes , Plain End Round Steel Tubing

+A Precision Delivery Condition Seamless Stee Standard EN10305-1 Steel Round Pipe Description Precision seamless steel tube is a high precision steel tube after cold rolling or cold drawing Main Date Standard ... Read More
2018-03-28 18:11:02
China Oil Treated High Precision Seamless Steel Tubes 4mm Small Outer Diameters factory

Oil Treated High Precision Seamless Steel Tubes 4mm Small Outer Diameters

Delivery Condition +LC Precision Seamless Steel Standard EN10305-1 Steel Round Pipe Description Precision seamless steel tube is a high precision steel tube after cold rolling or cold drawing. Main Date ... Read More
2018-03-28 19:07:24
China Construction Field Seamless Steel Tube 120mm Outer Diameter 235Mpa Yield Strength factory

Construction Field Seamless Steel Tube 120mm Outer Diameter 235Mpa Yield Strength

Round Steel Pipe DIN2391 DIN2445 St37.4 High Precision Seamless Steel Tubes Chemical Component C: 0.17%; Si: 0.35%; Mn: 1.2%; S: 0.025%; P: 0.025%; Mechanical properties: Tensile strength: 340-480mpa; Yield ... Read More
2018-08-31 08:22:07
China Shipbuilding Seamless Steel Tube Light Weight ST52.4 With Long Service Life factory

Shipbuilding Seamless Steel Tube Light Weight ST52.4 With Long Service Life

Round Steel Pipe DIN2391 DIN2445 St52.4 High Precision Seamless Steel Tubes Chemical Component C: 0.12-0.20%; Mn: 1.20-1.60%; Si: 0.20-0.55%. Mechanical properties Tensile strength: 470-660 Mpa; Yield strength: ... Read More
2018-08-31 08:21:00
China 25% Elongation Cold Drawn Seamless Steel Tube ST35 Material Water Transporting factory

25% Elongation Cold Drawn Seamless Steel Tube ST35 Material Water Transporting

Round Steel Pipe EN10305 DIN2391 DIN2445 High Precision Seamless Steel Tubes Main Standard: DIN2391, DIN2445, EN10305 Main Material ST35(E235),ST37,ST45(E255),ST52(E355),10#,20#,35#,45#... Main Date Outer ... Read More
2018-08-31 08:22:00
China Machinery Precision Seamless Steel Tubes Nickel White EN10305-1 EN10305-4 factory

Machinery Precision Seamless Steel Tubes Nickel White EN10305-1 EN10305-4

EN10305-1 EN10305-4 Precision Seamless Steel Tubes For Precision Machinery Standard Statement Material Main material: E235,E355,10#,20#,45#,16Mn, ST30Al,ST35, ST37,ST37.4,ST45,ST52,ST52.4,E155,E195,E255, etc OD... Read More
2018-08-31 08:22:29
China Cold Rolling Precision Seamless Steel Tubes Bright Annealing φ120 Outer Diameter factory

Cold Rolling Precision Seamless Steel Tubes Bright Annealing φ120 Outer Diameter

EN10305 High Precision Seamless Steel Tube, Bright Annealing, Cold Drawing, Cold Rolling Machining Material: ST37.4,ST52.4,E235,E355 Standard: DIN2391,EN10305 Delivery Condition: +C,+LC,+SR,+N,+A Size Range: ... Read More
2018-03-28 18:11:02
China E355 Precision Seamless Steel Tubes , WT 15mm OD 80mm Cold Drawn Pipe factory

E355 Precision Seamless Steel Tubes , WT 15mm OD 80mm Cold Drawn Pipe

En10305-1 E355+SR Precision Seamless Steel Tubes Mechanical Hydraulic Cylinder Steel Pipe Main Imformation Delivery condition BK,BKW,GBK,NBK,BKS Size OD:15mm-80mm WT:0.5mm-15mm Length 0.5-9m,or according to the ... Read More
2018-03-28 18:11:02
China OD 30mm Precision Seamless Steel Tubes , Hydraulic System Round Seamless Tube factory

OD 30mm Precision Seamless Steel Tubes , Hydraulic System Round Seamless Tube

Delivery Condition +C Precision Seamless Stee Standard EN10305-1 Steel Round Pipe Main Date Standard EN10305-1; DIN2391; DIN2445 Material E235, E355, St37.4, St52.4 Outer Diameter Range: 4-120mm Wall Thickness ... Read More
2018-08-31 08:21:10
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