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GB 65MN Hot Rolled ASTM 1066 Spring Steel

Type: 1066 Spring Steel
Standard: AISI, ASTM,  GB, DIN, JIS, BS
Technology: Hot Rolled/Forged/Cold Drawn
Form: Round Bar/ Flat Bar / Blocks/ Tube/Plate
Surface: Black; Peeled; Polished; Machined; Grinded; Turned
Process: Eaf+Lf+Vd+Forged+Heat Treatment(Optional)
Certificate: ISO/ Mill Certificate   
Warranty: Three Years
Sample Supply: Yes


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  • 1066

  • Qilu

Product Description

GB 65MN Hot Rolled ASTM 1066 Spring Steel


1: AISI 1066 Steel Introduction

  AISI 1066 steel is a low carbon steel, mainly used in the manufacture of parts requiring high strength and good toughness. Its main smelting process is electric furnace smelting or converter smelting. During the smelting process, parameters such as the amount of alloying elements added and the cooling rate are controlled to ensure that the final material has the desired chemical composition and physical properties.1066 steel exhibits excellent corrosion resistance in corrosive environments, resisting corrosion from acidic, alkaline and oxidizing atmospheres. It maintains its strength and durability at high temperatures.

19 4Cr13

1066 steel Stock in warehouse


2: AISI 1066 Quality Standard

AISI 1066 steel according to ASTM A29.


3: AISI 1066 Steel Equivalent

Country China Japan Germany USA British
Standard

GB/T 1222

JIS G4801

DIN (W-Nr.)
EN 10089

AISI/SAE/ASTM

ASTM A29

BS

Grade 65Mn / /
1066 080A67


4: AISI 1066 Steel Chemical Composition

Grade C Si Mn P S Cr Ni
1066 0.60-0.71 / 0.85-1.15 0.040 0.050 / /
65Mn 0.62-0.70
0.17-0.37
0.90-1.20
≤ 0.035 ≤ 0.035 ≤ 0.25 ≤ 0.25


5: AISI 1066 Steel Mechanical Properties

 The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, please kindly contact the salesman.


6: AISI 1066 Steel Overviews

Size Round Dia 6-1200mm
Plate/Flat/Block Thickness
6mm-500mm
Width
20mm-1000mm
Heat treatment Normalized ; Annealed ; Quenched ; Tempered
Surface condition Black; Peeled; Polished; Machined; Grinded; Turned; Milled
Delivery condition Forged; Hot rolled; Cold drawn
Test

Tensile strength, Yield strength, elongation, area of reduction, impact value,

hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc.

Payment terms T/T;L/C;/Money gram/ Paypal
Trade terms FOB; CIF; C&F; etc..
Delivery time 30-45 days


7: AISI 1066 Steel Application

Spring Manufacturing: Due to its excellent mechanical properties and hardenability, AISI 1066 steel is commonly used in the manufacture of a variety of springs, including flat springs, round springs, seat springs, spring windings, spring coils, valve springs, clutch springs, brake springs and cold-drawn wire cold-coiled coil springs.

Mechanical Parts: Due to its high strength and corrosion resistance, 1066 steel is suitable for the manufacture of mechanical parts in high temperature, high stress and corrosive environments. For example, it can be used to manufacture spindles for grinding machines and other parts that require high wear and impact resistance.

Tool Manufacturing: ASTM 1066 steel is also commonly used in tool manufacturing, particularly in tools that require high hardness and wear resistance. Its high hardness and toughness allow it to maintain good performance when subjected to impact loads.


8: AISI 1066 Steel Heat Treatment

Annealing

1066 steel can be annealed at a temperature of approximately 760°C to improve its plasticity and toughness. Annealed 1066 steel has better workability and ductility.

Quenching

The quenching temperature is usually 830°C ± 20°C, using oil cooling. After quenching, the hardness range is generally between 38~60 HRC.

Tempering

The tempering temperature is 540℃±50℃, and water or oil cooling can be used. Tempering can eliminate internal stresses after quenching and improve the properties of the steel.

Solution Treatment

Solution treatment is carried out at a temperature of about 1150°C to eliminate defects within the alloy and to improve its strength and corrosion resistance.


9: AISI 1066 Steel Tolerance


Diameter(mm)

Tolerance

Forged Steel Round Bar

80-600

Black Surface:0~+5

Rough Machined or Turned:0~+3

650-1200

Black Surface:0~+15

Rough Machined or Turned:0~+3

Hot Rolled Steel Round Bar

16-310

Black Surface:0~+1

Peeled:H11

Cold Drawn Steel Round Bar

6-100

Black Surface:H11

Peeled:H11


10: Delivery Condition

For hot forged or hot rolled bar, usually the delivery condition is hot forged or rolled, annealed or QT, black surface or rough turned.
For hot forged plate, usually the delivery condition is hot forged, annealed or QT, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed or QT, black surface.


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