scm440 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.: scm440

Type: Alloy Steel Bar

Standard: JIS

Steel Grade: Other

Technique: Cold Drawn

Application: Structural Steel Bar

Surface Treatment: Polished

Alloy: Alloy

Special Use: Mold Steel

STEEL GRADE: SCM440


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,Tianjin Port,Shanghai Port


Product Description

scm440 peeled or turned steel round bar

 

scm440 steel is a Chromium-Molybdenum through-hardening steel of medium hardenability. It is a general purpose high-tensile steel with medium strength level and good impact properties. scm440 steel is in JIS standard, the similar materials in different standard is GB 42CrMo or 42CrMoA, AISI 4140, SAE 4140, ASTM 4140, DIN 1.7225, DIN 42CrMo4, AS 4140, 42CD etc. Depending on various applications, scm440 steel are used after different processing such as cold drawing, peeling, turning, annealing, normalizing, quencheding and tempering etc. Our company has our own factory with full sets of production facilities to supply these delivery conditions steel bar such as scm440 hot rolled steel bar, scm440 cold drawn steel bar, scm440 peeled steel bar, scm440 turned steel bar, polished and ground scm440 steel bright bar, scm440 annealed steel bar, scm440 normalized steel bar, scm440 quenched and tempered steel bar. We can also supply other services such as cutting, straightening, blasting, chamfering, drilling, thread rolling etc. 


scm440 peeled and turned steel round bar is a kind of machining used to remove the imperfections on the hot rolled bars surface such as the scales and decarburized layers. It gets more precision diameter tolerance, bright surface and good straightness after peeling or turning. If grinding or polishing is added, scm440 turned, ground and polished precision steel bar can be directly used in CNC machines to produce shafts and components such as crankshafts, high-speed motor shafts, axle shafts, pup shafts etc.

 

scm440 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/Extra services such as cutting, straightening, drilling, chamfering, thread rolling

Competitive price/Fast delivery/Free samples/Trial production and testing

 

Specification of scm440 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. scm440 steel equivalent material:

GB 

ASTM/SAE/AISI 

DIN 

SCM

AS /NZS1444

42CrMo/42CrMoA 

Aisi 4140

42CrMo4

SCM440

AS 4140

2. scm440 steel chemical composition:

Materail

Chemical Composition %


C

Si

Mn

S

P

Cr

Mo

scm440

0.38-0.43

0.15-0.35

0.75-1.00

0.035 max

0.035 max

0.80-1.10

0.15-0.25

 3. scm440 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

We can supply different mechanical properties based 

4. scm440 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. Products Inspection:

Inspection

5. Products Packages:

Packages


Our company, Shandong Le Ren Special Steel Co., Ltd. has been engaged in steel business, processing and production for more than twenty years. Our major products are special steel mechant bars of hot rolled steel bar, cold drawn steel bar, peeled steel bar, turned steel bar, polished steel bar, centerless ground steel bar, heat treated steel bar such as annealed steel bar, normalized steel bar, quenched and tempered steel bar, that is to say QT steel bar, high tensile steel tie rod, high tensile steel bolts, threaded rods etc. With our full sets of production facilities, processing knowledge, rich experience and complete testing equipments, we aim to supply you steel solutions to decrease your production cost to improve your commercial value. We welcome you to communicate with us about your consideration in your production. We'd like to use our technology to supply you steel solutions.


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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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