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Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength

Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength

High Dimensional Accuracy Precision Steel Tube

Smooth Surface Finish Seamless Steel Tube

Superior Mechanical Strength Alloy Steel Tube

Lieu d'origine:

Zhejiang / Chine

Nom de marque:

TORICH

Certification:

ISO9001 ISO 14001 TS16949

Numéro de modèle:

Tubes en acier de précision tirés à froid sans couture

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Détails de produit
Application:
Applications de précision
Diamètre extérieur (rond):
30 - 426 mm,
Épaisseur:
2 - 100 mm,
Technique:
Dessin à froid, roulé à chaud, à froid, erw, roulé à chaud / à froid dessiné
Grade:
1045 4130 4140 4340 8620
Standard2:
ASTM A53-2007, DIN 2391, API 5L, ASTM A106-2006, DIN 17175
Forme de section:
Ronde, rectangulaire
Longueur:
6m ou selon les besoins, selon les besoins du client, 8m,50,8 m,2.5 à 8 m
Mettre en évidence:

High Dimensional Accuracy Precision Steel Tube

,

Smooth Surface Finish Seamless Steel Tube

,

Superior Mechanical Strength Alloy Steel Tube

Conditions de paiement et d'expédition
Quantité de commande min
1 tonne
Prix
800-1000 USD/Ton
Détails d'emballage
En paquets ou dans des boîtes en bois.
Délai de livraison
20 à 30 jours sur les produits
Conditions de paiement
L / C, D / A, D / P, T / T, Western Union, Moneygram
Capacité d'approvisionnement
60000 tonnes / tonnes par an
Description du produit


Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 0

Seamless Cold Drawn Precision Steel Tubes – Alloy Steel Tubes for Precision Applications

Material

These seamless cold drawn precision steel tubes are manufactured from alloy steels including AISI 1045, 4130, 4140, and additional grades such as 4340 and 8620. They are characterized by excellent dimensional accuracy, smooth surface finish, and superior mechanical strength, making them ideal for high-performance engineering applications.

Specifications

  • Process: Seamless, cold drawn

  • Material Grades: 1045, 4130, 4140, 4340, 8620

  • Shape: Round, customized on request

  • Tolerances: According to EN, ASTM, and GB standards

  • Condition: Annealed, normalized, quenched & tempered, or customized

Chemical Composition

Grade C Mn Si Cr Mo Ni Others
1045 0.43–0.50 0.60–0.90 0.15–0.35
4130 0.28–0.33 0.40–0.60 0.15–0.35 0.80–1.10 0.15–0.25
4140 0.38–0.43 0.75–1.00 0.15–0.35 0.80–1.10 0.15–0.25
4340 0.38–0.43 0.60–0.80 0.15–0.35 0.70–0.90 0.20–0.30 1.65–2.00
8620 0.18–0.23 0.70–0.90 0.15–0.35 0.40–0.60 0.15–0.25 0.40–0.70

Mechanical Properties (Typical)

Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HB)
1045 570–700 310–350 16–20 170–210
4130 560–670 460–560 20–25 160–200
4140 655–950 415–655 12–18 197–255
4340 745–1080 470–850 10–15 200–280
8620 620–850 415–550 20–30 160–210

Key Features

  • High dimensional accuracy and smooth internal/external surfaces

  • Excellent toughness and fatigue resistance

  • High strength-to-weight ratio

  • Good machinability and weldability (grade dependent)

  • Suitable for heat treatment (quenching & tempering, carburizing, etc.)

Standards

  • ASTM A519 – Seamless carbon and alloy steel mechanical tubing

  • EN 10305-1 – Steel tubes for precision applications, seamless cold drawn tubes

  • JIS G4051 / G4105 – Alloy steel tubes for machine structural use

  • GB/T 3639 – Seamless cold drawn or cold rolled precision steel tubes

  • GOST 8734 – Seamless precision steel tubes

Applications

Seamless cold drawn alloy precision tubes are widely used in high-demand engineering fields:

  • Automotive: Drive shafts, steering components, suspension parts

  • Aerospace: Landing gear, structural tubing, hydraulic systems

  • Oil & Gas: High-pressure lines, tool joints, downhole components

  • Machinery: Gears, shafts, crankshafts, heavy-duty spindles

  • Hydraulic Systems: Cylinder tubes, precision mechanical equipment


Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 1

Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 2     Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 3


Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 4     Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 5


Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 6

Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 7

Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 8

Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 9

Seamless Cold Drawn Precision Steel Tubes with High Dimensional Accuracy Smooth Surface Finish and Superior Mechanical Strength 10

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.


Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,

it is according to quantity.


Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.


Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.



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