42CrMoS4 ground and polished steel bar

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Min. Order: 5 Metric Ton
Delivery Time: 30 Days

Basic Info


Model No.: 42CrMoS4

Type: Alloy Steel Bar

Standard: DIN

Steel Grade: Other

Technique: Cold Drawn

Application: Structural Steel Bar

Surface Treatment: Polished

Alloy: Alloy

Special Use: Mold Steel

STEEL GRADE: 42CrMoS4


Additional Info


Packaging: Anti-rusty standard seaworthy

Productivity: 3000 tons per month

Brand: LE REN

Transportation: Ocean,Land,Air

Place of Origin: Shandong Provnce, China

Supply Ability: 3000 tons per month

Certificate: ISO 9001

HS Code: 7228309000

Port: Qingdao Port


Product Description

42CrMoS4 peeled or turned steel round bar

 

42CrMoS4 is a one kind of Chromium-molybdenum steel similar to 42CrMo4, 4140, scm440, 42CrMo, 42CrMoA. The only difference is that 42CrMoS4 steel has limited sulphur content as 0.020%-0.035% which improve the hardenabilities and machinabilities. It's also in standard DIN 1.7227. According to different applications and processing, we can supply various delivery condistions such as 42CrMoS4 hot rolled steel bar, 42CrMoS4 cold drawn steel bar, 42CrMoS4 peeled steel bar, 42CrMoS4 turned steel bar, 42CrMoS4 ground and polished steel bar, 42CrMoS4 annealed steel bar, 42CrMoS4 normalized steel bar and 42CrMoS4 quenched and tempered steel bar which is also called 42CrMoS4 + QT steel bar, 42CrMoS4 QT steel bar or 42CrMoS4 Q&T steel bar. 


42CrMoS4 peeled and turned steel bar is a kind of machining used to remove the imperfections on the hot rolled bars surface such as the scales and the decarbornization. It can also get more precision diameter tolerance and bright surface after peeling or turning. If grinding or polishing is added, the steel bars will be have very good surface roughness and straightness which can be directly used to produce components.


42CrMoS4 turned, ground and polished precision shafting is produce by 42CrMoS4 cold drawn or hot roll steel bar to get precision dimension and better straightness in the production of shafts. The straightness is quite important to shafting CNC machining. 42CrMoS4 turned ground and polished steel bar is used to produce crankshafts, high-speed motor shafts, axle shafts, pup shafts, etc.

 

42CrMoS4 turned ground and polished steel bar we supply includes following advantages:

Consistent mechanical properties

Deep mechanical properties (from surface to the center according to your requirement)

Even hardness on the whole bars/Tougher and Increased strength

No brittle, UT testing/Precision size tolerance/Good straightness

Good Roughness/Professional technical service/Competitive price/Fast delivery

 

Specification of 42CrMoS4 cold drawn steel bar we supply:

Sizes

Wide range from 10mm to 100mm

Tolerances

Precision to 0.01mm

Roundness

80% of diameter tolerance

Straightness

Good straightness to 0.2mm/m

Surface roughness

Smooth to 0.4um

Mechanical properties

Yield strength and tensile strength can be improved

Machining

Suitable for machining and welding

 

1. 42CrMoS4 steel equivalent material:

GB 

ASTM/SAE/AISI 

DIN 

SCM

AS /NZS1444

42CrMo

Aisi 4140 / sae 4140 / astm 4140

42CrMo4 / 42CrMoS4

SCM440

AS 4140

2. 42CrMoS4 steel chemical composition:

Materail

Chemical Composition %

 

C

Si

Mn

S

P

Cr

Mo

42CrMoS4

0.38-0.43

0.15-0.35

0.60-0.90

0.020-0.035

0.035 max

0.80-1.10

0.15-0.25


 3. 42CrMoS4 steel mechanical properties:

Mechanical Properties

Yield Strength (MPa)

Tensile Strength (MPa)

Elongation

Reduction of area

AKV (J)

930 min

1080 min

12% min

45% min

63 min

4. 42CrMoS4 steel applications:

high strength stud bolt, threaded rods, wind power bolt, prestressed anchor bolts, post stressed anchor bolt, steel tie rod, tie bar, tension rod, tension bar etc. Shaft, axle shaft, crankshaft, shaft for sleeve, linear shaft, pump shaft, rotor shaft, sensor shaft, spline shaft, drive shaft, mandrel shaft, transmission shaft, screw rod etc. CNC machines, precision CNC machines etc. Ejector pins and Ejector rods


5. Our products Inspection:

We are a factory with full sets of production faclities and complete testing equipments to guarantee the products quality. Except the surface quality testing, we will do frequent testing in heat treatment to guarantee the mirostructure and mechanical properties. 

Inspection

5. Our products Packages:

Packages

Except the raw material hot rolled steel bar, the further processing steel bar such as cold drawn steel bar, peeled steel bar, turned steel bar, ground and polished steel bar and the heat treated steel bar, we can also supply more processing service such as cutting in pieces, chamfering, straightening, shot blasting, thread rolling and drilling etc. We can also process the components according to your drawing. Not only to supply you the steel products, we can also supply you the steel solution to decrease your production cost to increase your finished products value. We welcome yout to communicate with us more technical requirements, we'd like to customize your special products demand.


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Contact Info

CONTACT US

SHANDONG LE REN SPECIAL STEEL CO., LTD.

Address: NO. 89, QINGSHUI COMMERCIAL STREET, LAIWU DISTRICT,Jinan,Shandong

Contact Person: Angelina Chen

Phone:86-0634-5648998

Fax:86-0634-5648997

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