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

Name: XJY850 Material Cold Drawn Precision Steel Tube , Geological Circular Drilling Pipe
Brand: Jiangsu Hongbao Group Co., Ltd.
SKU: HG-OP
Price: 22.00 USD
Availability: InStock

Rincian produk

Tempat asal: Cina

Nama merek: HONGBAO

Sertifikasi: PED, ISO9001,DNV

Nomor model: HG-OP

Syarat Pembayaran & Pengiriman

Kuantitas min Order: Putih, Disesuaikan

Harga: negotiable

Kemasan rincian: sesuai kebutuhan

Waktu pengiriman: Bisa dinegosiasikan

Syarat-syarat pembayaran: L/C, T/T

Menyediakan kemampuan: Tutup sekrup dengan pompa

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Rincian produk

Deskripsi Produk

Menyoroti:

Kelas Baja:	30CrMo	Standar Eksekusi:	ASTM A519, DIN2391, EN10305-1
Rentang OD:	30-139.7mm	Rentang wt:	3-19mm

Kelas Baja:	30CrMo
Standar Eksekusi:	ASTM A519, DIN2391, EN10305-1
Rentang OD:	30-139.7mm
Rentang 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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