Chinese wholesale Heavy Open Die Carbon Steel Forgings - Forged Tubes – DHDZ

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With our great management, potent technical capability and strict excellent handle procedure, we continue on to provide our customers with reputable top quality, reasonable selling prices and great providers. We purpose at becoming amongst your most trusted partners and earning your satisfaction for Stainless Steel Slip-On Flanges, Wn Orifice Flange, Forged Steel Forgings, The principle of our company is to provide high-quality products, professional service, and honest communication. Welcome all friends to place trial order for creating a long-term business relationship.
Chinese wholesale Heavy Open Die Carbon Steel Forgings - Forged Tubes – DHDZ Detail:

Open Die Forgings Manufacturer In China

FORGED TUBE/ HOLLOW TUBE /FORGED SEAMLESS TUBE

Max. O.D. Max. Length Max. Weight
1000mm 3000mm  12 000 Kgs

DHDZ manufactures seamless forged, heavy wall hollow and sleeves in a variety of customized configurations as per customer requirements. Seamless forged hollows are ideal for high-stress applications and harsh environments due to their durability, strength and corrosion resistance. Hollows can be produced not only in a straight cylindrical shape, but with unlimited variations of O.D.s and I.D.s, including tapers.

Additionally DHDZ offers all downstream processing including heat treatment, machining and mechanical and non-destructive testing, upon request. Contact us today with your exact specifications, our team will work with you to capitalize on our capabilities to minimize material waste and reduce process inefficiencies.

Common used material: 1045 | 4130 | 4140 | 4340 | 5120 | 8620 | 42CrMo4 | 1.7225 | 34CrAlNi7 | S355J2 | 30NiCrMo12 |22NiCrMoV |EN 1.4201 |42CrMo4

Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD., as an ISO registered certified forging manufacturer, guarantee that the forgings and/or bars are homogenous in quality and free of anomalies which are detrimental to the mechanical properties or machining properies of the material.

Product Description

We are one leading producer of AISI 4140, SAE 4140 Forged/forging pipes, AISI 4140, SAE 4140 Forged/forging tubes, AISI 4140, SAE 4140 Forged/forging hollow bars, 42Crmo4 Forged/forging pipes, 42Crmo4 Forged/forging tubes, 42Crmo4 Forged/forging hollow bars, 1.7225 Forged/forging pipes, 1.7225 Forged/forging tubes, 1.7225 Forged/forging hollow bars factory from china.

We could produce AISI 4140, SAE 4140 Forged/forging pipes, AISI 4140, SAE 4140 Forged/forging tubes, AISI 4140, SAE 4140 Forged/forging hollow bars, 42Crmo4 Forged/forging pipes, 42Crmo4 Forged/forging tubes, 42Crmo4 Forged/forging hollow bars, 1.7225 Forged/forging pipes, 1.7225 Forged/forging tubes, 1.7225 Forged/forging hollow bars with diameters ranging from 100MM to 1200MM, with lenth from 100MM to 10000MM, the weight from 10KGS to 15000KGSs.

We could do rough or final machined of AISI 4140, SAE 4140 Forged/forging pipes, AISI 4140, SAE 4140 Forged/forging tubes, AISI 4140, SAE 4140 Forged/forging hollow bars, 42Crmo4 Forged/forging pipes, 42Crmo4 Forged/forging tubes, 42Crmo4 Forged/forging hollow bars, 1.7225 Forged/forging pipes, 1.7225 Forged/forging tubes, 1.7225 Forged/forging hollow bars as per the drawing of the clients

Heat treatment: Normalized / Annealed / Quenched / tempered
Surface Treatment: painting, plating, polishing, black oxide, transparent anti-rust oil
Quality control: UT, MT, RT, PT, chemical composition test, mechanical property test, etc.
Inspection
1. Raw material certificate(material chemical composition)
2. Heat treatment sheet report
3. Dimension inspection report
4. UT test report
Delivery condition
Hot forged +Rough machined (black surface after Q /T)+ Turned
Competitive Advantage
Quality control and management to the whole produce process, including ingot smelting, forging, heat treatment, machining and strictly final inspection prior to delivery.
Excellent product quality and service, competitive price, "in-time" delivery

Case: Steel Grade AISI 4140 Alloy Steel

Physical Properties

Properties Metric Mperial
Density  7.85 g/cm3 0.284 lb/in³
Melting point 1432°C 2610°F

AISI 4140 Alloy Steel Relevant Specifications and Equivalents

AISI 4130

C

Mn

Si

P

S

Cr

Mo

Ni

Cu

Mo

0.38 – 0.43

0.75 – 1.00

0.15 – 0.35

0.030 max

0.040 max

0.80-1.10

0.15-0.25

 

0.25

max

0.35

max

0.15-0.25


ASTM A29/A29M

DIN17350

  BS 970

JIS G4105

GB/T 3077

AS 1444

ISO 683/18

AISI 4140

1.7225/

42CrMo4

SCM440

42CrMo

4140

25CrMo4

42CrMo4

Forging (Hot Work ) Practice , Heat Treatment Proc

Forging

1093-1205℃

Annealing

778-843℃ furnace cool

Tempering

399-649℃

Normalizing

871-898℃ air cool

Austenize

815-843℃ water quench

Stress Relieve

552-663℃

Quenching

552-663℃


Rm - Tensile strength (MPa) (Q +T)

≥930

Rp0.2 0.2% proof strength (MPa) (Q +T)

≥785

KV - Impact energy (J)

(Q +T)

+20° ?
≥63

A - Min. elongation at fracture (%)(Q +T)

≥12

Z - Reduction in cross section on fracture (%)(N+Q +T)

≥50

Brinell hardness   (HBW):   (Q +T)

≤229HB

ADDITIONAL INFORMATION
REQUEST A QUOTE TODAY

OR CALL: 86-21-52859349


Product detail pictures:

Chinese wholesale Heavy Open Die Carbon Steel Forgings - Forged Tubes – DHDZ detail pictures

Chinese wholesale Heavy Open Die Carbon Steel Forgings - Forged Tubes – DHDZ detail pictures


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We attempt for excellence, provider the customers", hopes to be the most beneficial cooperation team and dominator enterprise for staff, suppliers and shoppers, realizes value share and continuous advertising for Chinese wholesale Heavy Open Die Carbon Steel Forgings - Forged Tubes – DHDZ , The product will supply to all over the world, such as: Poland, Burundi, United Arab emirates, Due to the stability of our items, timely supply and our sincere service, we are able to sell our merchandise not only over the domestic market, but also exported to countries and regions, including the Middle East, Asia, Europe and other countries and regions. At the same time, we also undertake OEM and ODM orders. We will do our best to serve your company, and establish a successful and friendly cooperation with you.
  • We have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Isabel from Leicester - 2017.08.16 13:39
    The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
    5 Stars By ron gravatt from Germany - 2018.12.11 14:13
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