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41Cr4 / 5140 / 40Cr Round Forged Steel Bar 1-12 M Length 80 Mm-1200 Mm Diameter

SHANGHAI UNITE STEEL

41Cr4 / 5140 / 40Cr Round Forged Steel Bar 1-12 M Length 80 Mm-1200 Mm Diameter

Brand Name : UST

Model Number : DIA 80-1200mm

Certification : ISO9001

Place of Origin : China

MOQ : MOQ: 2-3 ton

Price : FOB USD 700- 900/ton

Payment Terms : L/C, T/T

Supply Ability : 1500 ton/month

Delivery Time : Within 10-45 days

Packaging Details : Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.

Process : EAF+LF+VD+Forged+Heat Treatment(optional)

Test : Ultrasonic test according to SEP 1921-84

Category : Alloy Steel round bar

Surface treatment : Machined Bright

Length : 1--12m

Certificate : ISO9001:2008

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41Cr4 / 5140/40Cr round bar steel hot forged , forged steel bar, Small MOQ

1.Application:

Used to manufacture medium speed and medium load parts after quenched and tempered, such as gear, shaft, worm, spline shaft, centre sleeve, etc.
Used to manufacture high hardness surface and wear resistance parts after high frequency case hardening and tempered, such as gear, main shaft, bent axle, mandrel, sleeve, pin, connecting rod, screw, nut, etc.
Used to manufacture high load and medium speed impact parts after quendced and medium temperature tempered, such as pump rotor, slider block, main shaft, lantern ring, etc.
Used to manufacture high load, low speed impact and wear resistance parts after quenched and low temperature tempered, such as shaft, main shaft, worm, lantern ring, etc.
Used to manufacture big size and high low-temperature impact toughness driving parts after carbonitriding, such as shaft, gear, etc.

Material: 41Cr4 / 5140/40Cr round bar steel hot forged , forged steel bar, Small MOQ
Diameter: 80mm-1200mm
Length: 1000mm-12000mm Straightness: 3mm/M max
Process: EAF + LF + VD + Forged + Heat Treatment (optional)
Delivery condition: Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
Delivery Time: 10-45 days
MOQ: 2-3 tons
Heat treatment: Normalized / Annealed / Quenched / tempered
Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Test: Ultrasonic test according to SEP 1921-84 G3 C/c
Marking: Grade, heat NO. length will be stamped one each bar with required color
Payment: 30% advance by TT; Balance pay before the shipment against shipping documents or irrevocable LC at sight
Application: Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

2, Chemical Composition

C Si Mn P S Cr
0.38 - 0.45 max 0.4 0.6 - 0.9 max 0.035 max 0.035 0.9 - 1.2

3,Properties:

Nominal diameter (mm): to 16 16 - 40 40 - 100
Rm - Tensile strength (MPa) (+QT) 1000-1200 900-1100 800-950
Nominal thickness (mm): to 8 8 - 20 20 - 50
Rm - Tensile strength (MPa) (+QT) 1000 900 800


Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60; to 16 16 - 40 40 - 100
Re - Upper yield strength or
Rp0.2 - 0.2% proof strength (MPa) (+QT)
800 660 560


Temperature ° C +20
KV - Impact energy (J) (+QT) 30-35
Temperature ° C +20
KV - Impact energy (J) transverse, (+QT) 22


Nominal thickness (mm): to 16 16 - 40 40 - 100
A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products 11 12 14


Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60; to 16 16 - 40 40 - 100
Z - Reduction in cross section on fracture (%) (+QT) 30 35 40


Brinell hardness (HBW): (+S) 255
Brinell hardness (HBW): (+A) 241
4. Related Steel grades:
USA: AISI 5140,ASTM 5140 ,
JIS: JIS SCr440 JIS(SCr4),
GB: 40Cr
Product Description

41Cr4 / 5140 / 40Cr Round Forged Steel Bar 1-12 M Length 80 Mm-1200 Mm Diameter41Cr4 / 5140 / 40Cr Round Forged Steel Bar 1-12 M Length 80 Mm-1200 Mm Diameter


Product Tags:

Forged Round Bar

      

Forged Steel Round Bars

      
China 41Cr4 / 5140 / 40Cr Round Forged Steel Bar 1-12 M Length 80 Mm-1200 Mm Diameter wholesale

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