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À la maison > produits > Pipe de forage pétrolier > XJY850 Material Cold Drawn Precision Steel Tube , Geological Circular Drilling Pipe

XJY850 Material Cold Drawn Precision Steel Tube , Geological Circular Drilling Pipe

Détails du produit

Lieu d'origine: Chine

Nom de marque: HONGBAO

Certification: PED, ISO9001,DNV

Numéro de modèle: HG-OP

Conditions de paiement et d'expédition

Quantité de commande min: 1m

Prix: negotiable

Détails d'emballage: au besoin

Délai de livraison: Négociable

Conditions de paiement: LC, T/T

Capacité d'approvisionnement: 3000 tonnes/mois

Obtenez le meilleur prix
Mettre en évidence:
Nuance d'acier:
30CrMo
Norme d'exécution:
ASTM A519, Din2391, EN10305-1
Gamme OD:
30-139,7 mm
Gamme WT:
3-19 mm
Nuance d'acier:
30CrMo
Norme d'exécution:
ASTM A519, Din2391, EN10305-1
Gamme OD:
30-139,7 mm
Gamme WT:
3-19 mm
XJY850 Material Cold Drawn Precision Steel Tube , Geological Circular Drilling Pipe
Cold Drawn Precision Steel Tube (Geological Circular Steel Tube, XJY850 Material) is a high-strength circular steel tube engineered for geological drilling. Made from XJY850 alloy steel, it offers exceptional tensile strength (≥850 MPa) and wear resistance after quenching-tempering, ideal for abrasive rock formations. Precision cold drawing ensures tight tolerances (OD ±0.1mm, straightness ≤0.3mm/m) and a smooth inner surface (Ra ≤1.6μm), minimizing friction during drilling. Its circular design enhances load distribution, compatible with core barrels for deep-hole exploration (up to 2000m). Anti-corrosion coating (phosphate) boosts durability in harsh environments. Reliable for mineral sampling and geological surveys.

Chemical Composition

Steel Grade C Si Mn P S Cr Mo B

 

4130

 

0.28-0.33 0.15-0.35 0.40-0.60 ≤0.040 ≤0.040 0.80-1.10 0.15-0.25  
4140 0.38-0.43 0.15-0.35 0.75-1.00 ≤0.040 ≤0.040 0.80-1.10 0.15-0.25  
45MnMoB 0.43-0.48 0.17-0.37 1.05-1.35 ≤0.020 ≤0.015   0.20-0.25 0.001-0.005

 

1541

 

0.36-0.44 - 1.35-1.65 ≤0.040 ≤0.050      

 

30CrMnSiA

 

0.28-0.34 0.90-1.20 0.80-1.10 ≤0.020 ≤0.015 0.80-1.10    

 

 

Mechanical Properties

 

 

Steel Grade

 

Deliver Condition Tensile Strength(Mpa) Yield Strength(Mpa) Elongation(%) Hardness(HRC)
4130 + SR ≥813 ≥690 ≥15% ≥24
4140 QT ≥950 ≥850 ≥14% 28 - 33
45MnMoB + N ≥790 ≥600 ≥14% -
1541 + SR ≥813 ≥690 ≥15% ≥24
30CrMnSiA QT ≥850 ≥750 ≥14% 26 - 31

 

 

Delivery Condition:

 

1. Stress Relief Annealing after Cold Working (+SR) (BKS)

2. Normalizing (+N) (NBK)

3. Quenching & Tempering (QT)

 

XJY850 Material Cold Drawn Precision Steel Tube , Geological Circular Drilling Pipe 0

 

FAQ:

1. Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to check tube quality.
You need to in charge of Express costs.

2. How about your production capacity?
3000 tons/Month.

3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.

4. Where is your factory?
Zhangjiagang city, 1.5 hours away from Shanghai.

5. How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following,quotation will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade
3). Tube Size and Size Tolerance
4). Tube length
5). Quantity
6). If any special requirements

6. How about the minimum order quantity?
Normally for one size above 1 ton.

Welcome to contact us! Thanks.

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