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Para casa > produtos > Tubos de perfuração de petróleo > XJY850 Material Cold Drawn Precision Steel Tube , Geological Circular Drilling Pipe

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

Detalhes do produto

Lugar de origem: China

Marca: HONGBAO

Certificação: PED, ISO9001,DNV

Número do modelo: HG-OP

Termos de pagamento e envio

Quantidade de ordem mínima: 1 metro

Preço: negotiable

Detalhes da embalagem: conforme necessário

Tempo de entrega: Negociável

Termos de pagamento: L/C, T/T

Habilidade da fonte: 3000 toneladas/mês

Obtenha o melhor preço
Destacar:
Classe de aço:
30CrMo
Padrão de execução:
ASTM A519, DIN2391, EN10305-1
Intervalo de OD:
30-139,7mm
Intervalo WT:
3-19mm
Classe de aço:
30CrMo
Padrão de execução:
ASTM A519, DIN2391, EN10305-1
Intervalo de OD:
30-139,7mm
Intervalo WT:
3-19mm
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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