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Cold Drawn Round Steel Rods Q235 1045 S45C C45 SCM440 40CR B7 42CRMO4 1144

Categories Round Steel Rods
Brand Name: AIRUNT
Model Number: Round steel bar
Certification: ISO9001
Place of Origin: CHINA
MOQ: 1 Tons
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 3000tons/Month
Delivery Time: 5-15 days
Packaging Details: Standard packing
Type: Carbon Steel Bar
Straightness of Cold Drawn Steel Bar: Max 0.8mm/M
Cold Drawn Steel Type: Round, Square, Hexgonal, Special Profile
Products: Cold Drawn Steel Bar
Specification: M12-M120
Special Use: Mold Steel, Free Cutting Steel, Cold Heading Steel
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Cold Drawn Round Steel Rods Q235 1045 S45C C45 SCM440 40CR B7 42CRMO4 1144

Q235 1045 S45c C45 Scm440 40cr B7 42CrMo4 1144 Cold Finished Cold Drawn Bright Steel Round Bar


Cold drawn steel bar is made from special quality hot rolled steel bar. It is drawn through a die reducing the cross-sectional area of the bar and giving it a smooth surface.

  • Shapes: According to the shapes of the die, the finished product can get a round, hexagonal, square, flat and other cross section.
  • Advantage: Cold drawn bars have greater size accuracy, straightness and increased tensile and yield strength as well as improved machinability.
  • Further processing: In addition to standard cold drawn steel bars. It can also be polished or ground to get better surface.

1.Cold Drawn Steel Bar Processing:

Production line: hot rolled bars/wire rods - (spheroidizing annealed for alloy steel/bearing steel) - pickling - cleaning - saponifing - cold drawn - (softening annealed for alloy steel/bearing steel) - cutting - bundling - packing - finished products
2.Application: hardware tools, auto parts, standard parts, fasteners common shaft, machinery manufacturing, light industry, hardware, bicycles, cars, motorcycles, textile machinery, transformers and other machinery industry.
3.Capabilities of our fatcory:
ShapesSizesProcessing
Steel Round Bar5mm to 63.5mmCold Drawn
Steel Round Bar63.5mm-120mmsmooth-turned and polished.
cold drawn steel square bar5*5mm to 120*120mmCold Drawn
cold drawn steel hex bar5mm to 120mmCold Drawn
cold drawn steel hexagonal bar5mm to 120mm(side to side)Cold Drawn

4.Tolerances

NOMINAL SIZE DIAMETER mmh8h9h10h11
1 to 3-0.014-0.025-0.04-0.06
(-0.00055")(-0.00098")(-0.00158")(-0.00236")
Over 3 to 6-0.018-0.03-0.048-0.075
(-0.00071")(-0.00118")(-0.00189")(-0.00295")
Over 6 to 10-0.022-0.036-0.058-0.09
(-0.00086")(-0.00142")(-0.00228")(-0.00354")
Over 10 to 18-0.027-0.043-0.07-0.11
(-0.0001")(-0.00169")(-0.00275")(-0.00433")
Over 18 to 30-0.033-0.052-0.084-0.13
(-0.00129")(-0.00205")(-0.00331")(-0.00512")
Over 30 to 50-0.039-0.062-0.1-0.16
(-0.00153")(-0.00244")(-0.00393")(-0.00630")
Over 50 to 80-0.046-0.074-0.12-0.19
(-0.00181")(-0.00291")(-0.00472")(-0.00748")
Over 80 to 120-0.054-0.087-0.14-0.22
(-0.00213"(-0.00343")(-0.00551")(-0.00866")
Over 80 to 120-0.063-0.1-0.16-0.25
(-0.00248")(-0.000393")(-0.00629"(-0.00984")

5.Our mian grades:

Cabon SteelSAE 1018 , A36, SS400, S235JR ,Q235
SAE 1020, S20C , 1.0402, 20GB, CK22
SAE 1045 ,S45C, C45, CK45, EN8 ,1.1191
Alloy SteelSAE 5120 , 20Cr, Scr 420H, 20Cr4
SAE 5140 , 40Cr,SCr440, 520M40
SAE 4130 , 30CrMo, SCM430, SCM420
SAE 4140 , 42CrMo4, EN19, SCM440,708A42 ,708M40
SAE 4340, 40CrNiMoA,871M40 , SNCM439
Free Cutting SteelSAE 1215, 12L14, SUM22, SUM23 ,
230M07, 1.0715, 11SMn30 , SUM43 , 1144

6.Advantages of cold drawn steel bar:
1. It can remove the Size and Section which provides Tighter tolerances which Reduces machining losses.
2. It can remove the Steel Surface Finish which Reduces surface machining & improves quality.
3. It can remove the Straightness which Facilitates automatic bar feeding in CNC.
4. It can increase the Mechanical Properties which Can reduce the need for hardening.
5. It can improve the Machinability and Productivity which Enables higher machining feeds, high tool life, yield & speeds and improved machined finish.

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Quality Cold Drawn Round Steel Rods Q235 1045 S45C C45 SCM440 40CR B7 42CRMO4 1144 for sale
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