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Round steel is a kind of hollow cylindrical metal material, which is widely used in construction, machinery manufacturing, automobile manufacturing, energy, transportation and other industries.
Round steel is mainly made of carbon steel, alloy steel and tool steel.
Among them, carbon steel round steel refers to steel with carbon content within the range of 0.20% to 0.55%.
Carbon steel round steel is an economical and practical structural material with good weldability, plasticity and machinability.
Alloy steel round steel refers to the steel with a certain amount of alloying elements (chromium, manganese, cobalt, boron, molybdenum, vanadium, etc.), which can obtain higher strength, hardness, corrosion resistance and wear resistance.
Tool steel Round steel is a kind of high-speed tool steel material, which has the advantages of high hardness, high red hardness and wear resistance.
Product Description
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Steel Grade |
Q195, Q235, Q345, 45#, S20C, SAE1010, SAE1020, SAE1045, EN8, EN 19fC45, CK45, SS400 etc |
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Standard |
ASTM A615Gr40/60, BSS4449 Gr460B, 500B etc |
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Diameter |
5.5-250 mm or as client's request |
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Length |
3000mm-12000mm or as client's request |
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Straightness |
3mm/M max |
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Tolerance |
+0.5mm/-0(dia), +5mm/-0(L) |
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MOQ |
5 tons |
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Heat treatment |
Normalized / Annealed / Quenched / Tempered |
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Surface |
black, mill, polished, brush, etc |
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Test |
Ultrasonic test according to SEP 1921-84 G3 C/c |
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Application |
Widely used in construction industry for reinforcing concret(Express way; office building, Bridge etc) Trasportation By sea(20' 40' container), parts of larger cross-sections, crankshafts, gears. |
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Packaging |
Export standard, seaworthy |
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Delivery time |
10-20 days after confirmed order |
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Container size |
20ft GP: 5898mm(Length)x2352mm(Width)x2393mm(High) |
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40ft GP: 12032mm(Length)x2352mm(Width)x2393mm(High) |
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40ft HC: 12032mm(Length)x2352mm(Width)x2698mm(High) |
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Item Type |
Diameter (MM) |
Length |
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Round Bar |
8-400 |
6/9/12m or follow client's requirment. |
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Steel Wire Rod |
5.5-34 |
Coil |
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Steel Rebar |
5.5-40 |
Cut to length or Coil |
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Category |
Grades |
Sizes |
Standard |
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Carbon structure steel |
Q195, Q215, Q235, Q275 |
16mm-250mm |
GB/T700-2006 |
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Low alloy high strength structure steel |
Q295, Q345, Q390, Q420, Q460 |
16mm-250mm |
GB/T1591-2008 |
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Prime Carbon structure steel |
10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20, SH45, S45C, C45 |
16mm-250mm |
GB/T699-1999 |
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Alloy structure steel |
30Mn2, 40Mn2, 27SiMn, 42Crmo, 20Cc40Cr, 20CrMo, 35CrMo, 20CrMnTi, 30CrMnTi, 20MnVB, 20MnTiBf, 45MnV, 20CrNiMo, Q345B, 35MnBM, 40MnB, 36Mn2V |
16mm-250mm |
GB/T3077-1999 |
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Spring Steel |
65Mn, 60Si2Mn, 50CrVA |
16mm-250mm |
GB/T1222-84 |
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Bearing Steel |
GCr15tGCr15GD, 55SiMoV |
16mm-250mm |
GB/T18254-2002 |
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Structural steels subject to end-quench hardenability requirements |
20CrMnTi, 30CrMnTi, 20Cr, 40Crf30CrMo, 42CrMoA, 27SiMn, 40Mn2H, 20CrNiMo, 40Mn2, Q345b, 35MnBM, 40MnB, 45MnV. |
16mm-250mm |
GB/T5216-2004 |
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Oil wells structural steel |
37Mn5, 36Mn2V |
16mm-250mm |
Q/LYS248-2007 |
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Marine anchor chain steel |
CM490, CM690, M30Mn2 |
16mm-250mm |
YB/T66-1987 GB/T18669-2002 |
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