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4140 quenched and tempered steel tube

  • 4140 quenched and tempered steel tube
  • 4140 quenched and tempered steel tube
  • 4140 quenched and tempered steel tube

4140 quenched and tempered steel tube

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

Basic Info

Model No.: 4140

Product Description

4140 quenched and tempered Steel Tube

4140 quenched and tempered steel tube is used extensively in applications for automotive industry, Hydraulic, Mining and oil and gas drilling industry. 4140 Q&T tubes include 4140 Q&T seamless steel pipes and 4140 Q&T drilling hollow bars.


4140 Q&T steel tube we supply includes following advantages:

Consistent mechanical properties

Even thickness on the whole bars

Deep mechanical properties

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 4140 cold drawn steel bar we supply:

Sizes

OD range from 20mm to 100mm, Thickess: from 4mm to 20mm

Tolerances

Precision to h9, h10, h11

Roundness

75% of diameter tolerance

Straightness

Good straightness to 0.5mm/m

Surface roughness

Smooth to 0.8um

Mechanical properties

Yield strength and tensile strength can be improved

1. 4140 steel equivalent material:

GB

ASTM/SAE/AISI

DIN

SCM

AS /NZS1444

42CrMo

Aisi 4140 / sae 4140 / astm 4140

42CrMo4 / 42CrMoS4

SCM440

AS 4140


2. 4140 steel chemical composition:

Materail

Chemical Composition %

ASTM/SAE/AISI

C

Si

Mn

S

P

Cr

Mo

Aisi 4140 / sae 4140 / astm 4140

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. 4140 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

SHANDONG LE REN SPECIAL STEEL CO., LTD.

 

Established in April, 2009, SHANDONG LE REN SPECIAL STEEL CO., LTD. is specialized in trading steel products and supplying technical service in domestic and international markets. Through ten years` rich experience, we have forged one professional team.

Adhering to "Beyond customers` expectation, Realizing staff`s dream" philosophy, our company is developing rapidly by supplying customers with good quality products and professional service. In the year 2016, our factory SHANDONG LE SHAN MACHINERY CO., LTD. built cold drawing, peeling, grinding production lines; annealing, normalizing, quenching & tempering heat treatment production lines; chamferring and threads rolling production lines. To guarantee the products quality, we also installed full sets of testing and inspecting machines. All of this urge us to meet the customer`s personalized demands.

Our major products includes cold drawn steel products such as steel bars and profiles, peeled steel bright bars, heat treated steel bars, threaded rods, high strength tie rods, prestressed anchor bolts in wind power industry and high strength anchor bolts.

The current annual productivity is 40000 tons, we aim to build 100000 tons high strength deformed bars and anchor bolts production line. Our products are widely used in machinery components, oil and gas, railways, bridges and mining etc industries. With the service philosophy, advanced production facilities, full sets of test and inspection equipment, we will keep improving to supply customers` better and better quality approved products and service.

Company Info

  • Company Name: SHANDONG LE REN SPECIAL STEEL CO., LTD.
  • Representative: WEI BAIGANG
  • Product/Service: Cold Drawn Steel Bar , Bright Steel Bar , Heat Treated Steel Bar and Tube , Threaded Rods , High Strength Steel Tie Rod , High Strength Steel Bolts
  • Capital (Million US $): 30,000,000 RMB
  • Year Established: 2009
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 71% - 80%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 8
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 5,000-10,000 square meters
  • Factory Location: NO. 10, JIULONG MOUNTAIN ROAD, DEVELOPMENT AREA,JINAN CITY, SHANDONG PROVINCE, CHINA
  • Contact Person: Ms. Angelina Chen
  • Tel: 86-0634-5648998
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