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40Cr Steel Round Bar

FOB Price

USD $600 - $650 / Metric Ton

15 Metric Tons(Min.Order)

Supply Ability 1000000 Metric Ton / Metric Tons per Month
Port Qingdao
Payment Terms:T/T L/C
Delivery Detail:30 days

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Product Details

Brand Name:	Wanfang	Place of Origin:	China	Model Number:	WF0003
Type:	Alloy Steel Bar	Application:	Structural Steel Bar	Technique:	Hot Rolled
Standard:	AISI, ASTM, BS, DIN, GB, JIS	Alloy Or Not:	Is Alloy	Special Use:	Cold Heading Steel
Steel Grade:	40Cr

Product Description

1. Product:

40Cr Hot Rolled Alloy Steel Round Bar

2.Brief Introduction:

40Cr is the GB standard steel, 40Cr steel is one of the most widely used steel in the machinery manufacturing industry. It has good comprehensive mechanical properties, low temperature impact toughness and low notch sensitivity. Good steel hardenability, when water quench hardening to Ф 28 ~ 60 mm, when oil quenching hardening to Ф 15 ~ 40 mm. In addition to quenching and tempering, the steel is also suitable for cyanidation and high-frequency quenching. When hardness is 174 ~ 229HB, the relative machinability is 60%. The steel is suitable for making medium plastic mould.

3.Standard:

GB/T3077-2018 or GB/T17107-2018

4.Equivalent Standard:

JIS G4053:2003,ASTM A29/A29M:2005, ISO 683/18:1996,EN 10083-3.2006

5.Grade:

40Cr, 40X,SCr440, SAE5140,AISI5140, ASTM5140,41CR4,

6.Chemical Composition:

C:0.37~0.44

Si:0.17~0.37

Mn:0.50~0.80

Cr:0.80~1.10

Ni:≤0.30

P:≤0.035

S:≤0.035

Cu:≤0.030

Mo:≤0.10

7.Mechanical Property:

Tensile Strength:(σb/MPa):≥810

Yield Point:(σs/MPa):≥785

Elongation:(δ5/%):≥9

Reduction Ratio:(ψ/%):≥45

Impact AKV:(Aku2/J):≥47

Hardness:(100/3000HBW)

8.Description:

DIN standard material no. 1.7035/1.7045, DIN standard steel no. 41cr4/42gr4;

British EN standard steel no. 18, British BS standard steel no. 41Cr4;

France AFNOR standard steel no. 42C4, France NF standard steel no. 38cr4/41cr4;

Italy UNI standard steel no. 41Cr4;

Belgium NBN standard steel no. 42Cr4;

Swedish SS standard steel no. 2245;

AISI/SAE/ASTM standard steel no. 5140;

JIS standard steel no. SCr440(H)/SCr440;

ISO standard steel no. 41Cr4.

9. Performance:

Medium carbon tempered steel, cold heading die steel. The steel is affordable, easy to process, after the appropriate heat treatment can obtain a certain degree of toughness, plasticity and wear resistance. Normalizing can promote microstructure refinement and near equilibrium, and improve the cutting performance of the blank. Tempered at 550~570ºC, the steel has the best comprehensive mechanical properties. The hardenability of the steel is higher than 45 steel, suitable for high-frequency quenching, flame quenching and other surface hardening treatment.

10. Usage:

The steel is tempered and tempered to make mechanical parts that can withstand medium loads and speeds, such as steering knuckles and rear shafts of automobiles and gears, shafts, worm shafts, spline shafts and centerpieces of machine tools.

11. Size:

16MM to 300MM.

12.Length:

Fixed length:5.8M,6M,9M,12M

Flexible Length: Under customer's requirement.

13.Packing:

Sea-worthy Bundles of 2.0MT to 3.0MT.

14.Shipment:

By bulk shipment or container under negotiation.

15.Payment terms:

LC at sight or TT by negotiation.

16.Deal Time:

Within 10 days when there is stock.

Within 30 days when new produced.

17. Loading Port:

China main port such as Qingdao, Tianjin,Rizhao, Shanghai.

18. Valid:

Long terms.

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