sncm439 tg&p bright steel round 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.: sncm439

Type: Alloy Steel Bar

Standard: AISI, ASTM

Steel Grade: Other

Technique: Cold Drawn

Application: Structural Steel Bar

Surface Treatment: Polished

Alloy: Alloy

Special Use: Mold Steel

STEEL GRADE: 4340


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,Shanghai Port,Tianjin Port


Product Description

sncm439 tg&p bright steel round bar

 

sncm439 steel is one kind of nickel chromium molybdenum high alloy special steel in JIS standard known for it's toughness and ability to attach high strength and hardness after heat treatment. sncm439 steel equivalent material are 40CrNiMoA in GB standard, aisi 4340, sae 4340, astm 4340 in American standard and 34CrNiMo6 in DIN standard. Aster quenching and tempering, sncm439 steel bar will get high tensile strength, high yield strength, high hardness and toughness, so sncm439 steel bar is usually used to produce high strength tie rods, bolts, screws, nuts, gears, shafts, pistons and other automotive components etc. As a steel bar factory, we can supply both raw material of sncm439 hot rolled steel round bar and further processing delivery condition sncm439 steel bars such as sncm439 cold drawn steel round bar, sncm439 peeled steel round bar, sncm439 turned steel round bar, sncm439 centerless ground and polished steel round bar, sncm439 heat treated steel bars such as sncm439 annealed steel round bar, sncm439 normalized steel bar, sncm439 quenched and tempered steel bar ( sncm439 qt steel round bar, sncm439 q&t steel round bar). 


sncm439 turned, ground and polished precision shafting is produce by sncm439 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. sncm439 TG&P is used to produce crankshafts, high-speed motor shafts, axle shafts, pup shafts, etc.


sncm439 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 sncm439 ground and polished steel bar we supply:

1. sncm439 steel equivalent material:

GB

JIS

ASTM/AISI/SAE

40CrNiMo(A)

SNCM439

4340

2. sncm439 steel Chemical composition:

 

C

SI

MN

S

P

Cr

Mo

Ni

40CrNiMo(A)

0.37-0.44

0.17-0.37

0.50-0.80

0.035 (max)

0.035 (max)

0.60-0.90

0.15-0.25

1.25-1.65

SNCM439

0.36-0.43

0.15-0.35

0.60-0.90

0.030 (max)

0.030 (max)

0.60-1.00

0.15-0.35

1.65-2.00

aisi 4340

0.38-0.43

0.15-0.35

0.60-0.80

0.035 (max)

0.035 (max)

0.70-0.90

0.20-0.30

1.65-2.00

3. sncm439 steel Mechanical Properties:

Yield Strength(MPa)

Tensile Strength(MPa)

Elongation(%)

AKV

835(min)

985(min)

12(min)

55(min)

Note: The mechanical properties can be adjusted according to heat treatment based on your requirement.

4. Our products inspection:

Inspection

5. Our products packages:

Packages

Our company Shandong Le Ren Special Steel has been engaged in steel bar manufacturing and business for more than twenty years. We can not only supply you raw material hot rolled steel bars with competitive price, but also we have our own factory to do further processing such as cutting, peeling, cold drawing, centerless grinding and polished, chamfering, shot blasting, heat treatment like annealing, normalizing, quenching and temperin, thread rolling. So we can produce cold drawn steel bar, peeled steel bar, ground and polished bright steel bar, annealed steel bar, normalized steel bar, quenched and tempered steel bar amd high tensile steel bolts and steel tie rods. With our full sets of production facilities, we can also produce the components according to your drawings. With our advanced and complete testing equipment, our quality are guaranteed. We aim to supply you steel solution to help you decrease your cost and increase your commercial value. Therefore, we welcome you to contact us and communicate with us if you have any special steel bar demands or technical questions.

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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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