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Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications

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Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications

MOQ : 1 Ton

Price : US $680-950 / Ton

Model NO. : 40Cr

Surface Treatment : Polished

Alloy Type : Non-alloy

Diameter Range : OD 6-630mm

Production Capacity : 50000kgs

Carbon Content : 0.42-0.5

Silicon Content : 0.17-0.37

Manganese Content : 0.5-0.8

Chromium Content : ≤0.25

Phosphorus Content : ≤0.035

Sulfur Content : ≤0.035

Nickel Content : ≤0.3

Copper Content : ≤0.25

Tensile Strength : 600 N/mm2

Yield Strength : 355 N/mm2

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Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Round Bar
AISI 1045 Carbon Steel Round Bar

AISI 1045 steel round bar is a high carbon steel under American standard, classified as a quenching and tempering steel with high strength properties. This alloy steel is available in various forms including hot rolled round bars, square bars, cold-drawn bars, and forged bars.

AISI 1045 round bar is extensively used for manufacturing moving parts requiring high strength, such as air compressor plungers, pump components, rolled shafts, connecting rods, endless screws, gear racks, and dowels for heavy machinery. The material is typically supplied in quenching and tempering or normalizing delivery states. After high-frequency quenching or shot peening, AISI 1045 round bar can be utilized to produce wear-resistant components including crank axles, machine tool shafts, and transmission shafts.

Cold roll steel round bar/rod 1045 is commonly employed for industrial, machine, and tool applications. As a frequently used low carbon steel alloy, it offers good strength, ductility, and excellent machinability. 1045 stock is available in full size and custom cut lengths.

Chemical Composition
Grade C Si Mn Cr P S Ni Cu
AISI 1045 0.42-0.5 0.17-0.37 0.5-0.8 ≤0.25 ≤0.035 ≤0.035 ≤0.3 ≤0.25
Mechanical Properties
Grade Delivery State T.S. N/mm² Min Y.S. N/mm² Min A,% Min Z,% Min Hardness, HB max Forging ratio Grain Size (level) Nonmetal ratio
AISI 1045 Hot rolled, forged, or heat treatment 600 355 16 40 229 ≥ 4:1 ≥ 6 ≤ 2.0
Available Steel Grades
Steel Series Representative Steel Type
Carbon Steel series AISI 1020, 1045, A36, S355JR, S355JO
Petroleum machinery series AISI 4150, AISI 4140, AISI 4130, 30CrMo, 4145H
Tool mold series 1.2714, 5CrMnMo, 5CrNiMoV, 1.2738, 1.2311, 1.2312
Bearing series 52100, GCr15, SUJ2
Marine series 4140, 42CrMo, SCM440, 709M40
Car series SAE8620, 20CrNiMo, SNCM220
Heavy-duty transmission series 40CrNiMo, SNCM439, SAE4340, EN24
Mining machinery series 655M13, 826M40, 25CrMo
Wind power gear series 18CrNiMo7-6, 17CrNiMo6, 1.6582, 1.6587, SAE8620
Wind power spindle series 34CrNiMo6, 817M40
Nitriding series 20MnCr5, 38CrMoAl, 31CrMoV9
Pressure vessel series 15CrMo, 13CrMo4-4
Metallurgical roll series 21CrMoV511, W1.7225, EN19, 709M40
Forged Steel Size Specifications
  • Forged Steel Round Bar: Φ85mm~1200mm
  • Forged Square Steel Bar: 150×150-800×800mm
  • Forged Flat Blocks: (150mm-800mm)×(200mm-800mm)
  • Forged Shaft and Forged Rings: According to Customer's drawing
Frequently Asked Questions
Q: How long is your delivery time?
A: Generally 5-10 days if goods are in stock, or 15-20 days if not in stock, depending on quantity.
Q: Do you provide samples? Is it free or extra?
A: Yes, we offer samples free of charge but customers pay the freight cost.
Q: What is your MOQ?
A: Usually 5 tons. Smaller quantities may have higher pricing, while larger quantities receive lower prices.
Q: How to buy your ideal products?
A: Provide your drawing for production, or we can design according to your requirements if you don't have a clear plan.
Q: How to pay?
A: TT and L/C are acceptable, with TT preferred. 30% deposit before production, 70% balance before loading by TT.
Q: How to install after the goods destination?
A: We provide installation instructions and video. Technicians can be sent if necessary, with visa fees, air tickets, accommodation, and wages provided by buyers.
Q: How to get an accurate quotation?
A: Provide product detail size & length, product quantities, and product material grade.
Q: What other items from this supplier?
A: Angle line structural steel, H beam, I beam, Channel. Square, rectangular, round hollow section pipe. Steel plate, checker plate, corrugated sheet, steel coil. Flat, square, round bar. Screw, Stud bolt, nut, washer, flange and other related pipe kits.
Product Images
Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications

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Cold Drawn Steel Round Bar

      

Bright Quenched and Tempered 40Cr Round Bar

      

H9 H11 Alloy Steel Bar

      
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Cold Drawn H9 H11 Bright Quenched and Tempered 40Cr Steel Round Bar for Structural and Tool Applications Images

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