Q235 Steel Bar Hot Rolled Steel Round Bar Q235 Steel Round Bar Carbon Steel Round Bars
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Steel Grade
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Carbon Steel/Alloy Steel
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Standard
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AiSi, ASTM, bs, DIN, GB, JIS
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Place of Origin
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Tianjin
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Brand Name
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Gnee
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Model Number
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As your requirements
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Technique
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Hot Rolled/Cold Drawn
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Application
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Structural Steel Bar/Die Steel Bar/Tool Steel Bar
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Alloy Or Not
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Is Alloy
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Special Use
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Free Cutting Steel
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Type
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Alloy Steel Bar/Carbon Steel Bar
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Tolerance
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±1%
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Processing Service
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Bending, Welding, Decoiling, Cutting, Punching
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Grade
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Carbon/Alloy Steel
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Product Name
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Q235B Q345B Q345D Q345E Mild Steel Round Bar
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Material
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20#-55#
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Surface
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Bright
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Delivery condition
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Forged +Rough Machined (black Surface)
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Shape
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Round Section
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Length
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1-12m or customized
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Technology
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Hot Rolled Cold Draw Forge
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Certificate
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ISO9001
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MOQ
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1 Ton
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Diameter
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12mm-650mm or customized
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Commen steel round bar category,grade,sizes and standard:
| Category | Grades | Sizes | Standard |
| Carbon structure steel | Q195, Q215, Q235, Q275 | 16mm-250mm | GB/T700-2006 |
| Low alloy high strength structure steel | Q295, Q345, Q390, Q420, Q460 | 16mm-250mm | GB/T1591-2008 |
| Prime Carbon structure steel | 10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20, SH45,S45C, C45 | 16mm-250mm | GB/T699-1999 |
| Alloy structure steel | 30Mn2, 40Mn2, 27SiMn, 42Crmo, 20Cr,40Cr,20CrMo, 35CrMo, 20CrMnTi, 30CrMnTi, 20MnVB, 20MnTiB, 45MnV, 20CrNiMo, Q345B, 35MnBM,40MnB,36Mn2V, | 16mm-250mm | GB/T3077-1999 |
| Spring Steel | 65Mn, 60Si2Mn, 50CrVA | 16mm-250mm | GB/T1222-84 |
| Bearing Steel | GCr15, GCr15GD,55SiMoV | 16mm-250mm | GB/T18254-2002 |
| Structural steels subject to end-quench hardenability requirements | 20CrMnTi, 30CrMnTi, 20Cr, 40Cr, 30CrMo, 42CrMoA, 27SiMn, 40Mn2H, 20CrNiMo, 40Mn2, q345b,35MnBM, 40MnB,45MnV. | 16mm-250mm | GB/T5216-2004 |
| Oil wells structural steel | 37Mn5, 36Mn2V | 16mm-250mm | Q/LYS248-2007 |
| Marine anchor chain steel | CM490, CM690, M30Mn2 | 16mm-250mm | YB/T66-1987 |
| GB/T18669-2002 |
Q: Can provide OEM/ODM service?
