SAE4130 Cold Drawn Alloy Seamless Steel Pipe/Tube

Short Description:

Cold drawn seamless steel pipe is made from a seamless steel hollow. It is further processed by cold drawing over a mandrel, to control the ID, and through dies to control the OD.  CDS is superior in surface quality, dimensional tolerances and strength when compared to hot finished seamless tubing.Due to the characteristics of high-precision, in precision machinery manufacturing, auto parts, hydraulic cylinders, construction (steel sleeve) industry has a very wide range of applications.

Size: 16mm-89mm.

W.T.: 0.8mm-18 mm.

Shape: Round.

Production type: Cold drawn or cold rolled.

Length: Single random length/ Double random length or as customer’s actual request max length is 10m


Product Detail

Product Tags

We’ll make every effort and hard work being outstanding and excellent, and speed up our techniques for standing during the rank of global top-grade and high-tech enterprises for SAE4130 Cold Drawn Alloy Seamless Steel Pipe/Tube, We welcome all with the consumers and pals to call us for mutual positive aspects. Hope to do additional company along with you.
We’ll make every effort and hard work being outstanding and excellent, and speed up our techniques for standing during the rank of global top-grade and high-tech enterprises for 30CrMo Cold Drawn Seamless Steel Pipe, Our merchandise are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We’ve enjoyed a great reputation among our customers for quality solutions and good services.We would make friends with businessmen from at home and abroad, following the purpose of “Quality First, Reputation First, the Best Services.”

Standard

Grade

Chemical Components (%)

 

 

C

Si

Mn

P

S

Mo

Cr

V

ASTM A519

4130

0.28-0.33

0.15-0.35

0.40-0.60

≤0.040

≤0.040

0.15-0.25

0.8-1.10

/

Grade

Delivery

Tensile Strength

Yield Strength

Elongation

Hardness

 

Condition

(Mpa) Min.

(Mpa) Min.

(%) Min.

(HB) Min.

4130

HR

621

483

20

89

 

SR

724

586

10

95

 

A

517

379

30

81

 

N

621

414

20

89

Annealing

After the goods are cold drawn to sizes, the tubes are put on annealing furnace for heat treatment and normalising.

Straightening

Post annealing, the goods are passed through a seven roller straightening machine to achieve proper straightening of the tubes.

Eddy current

Post straightening, each tube is passed through eddy current machine to detect for surface cracks and other defects . Only the tubes that pass eddy current are fit for delivery to customers.

Finishing

Each tube is either oiled with corrosion resistant oil or varnished for surface protection and corrosion resistant as per customers requirement, each tube end is covered by plastic end caps to avoid damage in transit, the marking and specs are put and the goods are ready for dispatch.

Designation

Symbol

Description

Cold drawn/hard

+C

No heat treatment after the final cold drawing process

Cold drawn/soft

+LC

After the final heat treatment there is a suitable drawing pass

Cold drawn and stress relieved

+SR

After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere

Annealed

+A

After the final cold drawing process the tubes are annealed in a controlled atmosphere

Normalized

+N

After the final cold drawing operation the tubes are normalized in a controlled atmosphere

Cold Drawn Carbon steel seamless pipes are extensively applied in the nuclear device, gas conveyance, petrochemical, shipbuilding and boiler industries, with characteristics of high corrosion resistance combined with suitable mechanical properties.

- Nuclear device
- Gas conveyance

We’ll make every effort and hard work being outstanding and excellent, and speed up our techniques for standing during the rank.
SAE4130 Cold Drawn Alloy Seamless Steel Pipe/Tube
Our merchandise are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We’ve enjoyed a great reputation among our customers for quality solutions and good services.We would make friends with businessmen from at home and abroad, following the purpose of “Quality First, Reputation First, the Best Services.” We welcome all with the consumers and pals to call us for mutual positive aspects. Hope to do additional company along with you.


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