Name: Honed Tube
SKU: 0

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Honed Tube

We strictly in accordance with the ISO 9001 quality management system for on-site management, has obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc. Our products have been inspected and approved by SGS, BV, MOODY, TUBOSCOPE and other international authoritative third-party organizations
1.Raw material inspection: dimension and tolerance check, appearance quality check, mechanical properties testing, weight check and raw materials quality assurance certificate check
2.Semi-finished goods inspection: physical and chemical inspection, leakage magnetism and ultrasonic inspection
3.Finished goods inspection: dimension and tolerance, appearance quality check and mechanical properties testing
4.Inspection before ex-factory: We arrange our QC staff to manufacture’s plant for final quality and packing inspection each time before we deliver goods to port for shipping, and the connected sales staff will be with QC staff to make sure we did everything fully and strictly meet our customers’ requirements.

WhatsApp：+86 15563540881

Email：bhkerry@cnbhgt.com

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Introduction

Product Type: Carbon Seamless Honed Steel Tube,Cold Drawn Carbon Steel Seamless Honed Tube,Honed Tube Carbon Seamless Saw Steel Pipe Tube

Material: ST52,CK45,4140,SCM440,16Mn,42CrMo,E355,Stainless Steel 304/316,Duplex 2205,etc.

Delivery Condition: BK, BK+S, GBK, NBK

ID Size : 20mm – 1500mm

Length: max 16m

Type: Seamless, Hot Rolled, Cold Rolled, Cold Drawn

Straightness: ≤ 0.5/1000

Roughness: 0.2-0.4 u

Tolerance EXT: DIN2391, EN10305, GB/T 1619

Tolerance INT: H7,H8,H9

Protection: Anti-rust oil on inside and outside surface, plastic caps in both ends.

Packing: Bundle with steel strip and PE sheet or wooden case

Chemical Composition:
Steel grade	Chemical composition,%
	C	Si	Mn	P	S	Cr
							≤
				20#		0.17-0.24		0.17-0.37	0.35-0.65
16Mn	≤0.2	≤0.5	1.00-1.60	0.03	0/03	0.25
ST52(E355)	≤0.22	≤0.55	≤1.6	0.025	0.025	0.25
SAE1026(25Mn)	0.22-0.28	0.15-0.35	0.6-0.9	0.04	0.05	/
45#	0.42-0.5	0.17-0.37	0.5-0.8	0.025	0.02	0.25

Mechanical Property:
Delivery	cold finished(hard)(BK)		Cold drawn and stress-relieved(BK+S)
condition
Steel grade	Rm MPa	Elongation	Rm MPa	ReH MPa	Elonggation
		A5(%)			A5(%)
20#	≥550	≥8	≥520	≥375	≥15
16Mn	≥640	≥5	≥600	≥520	≥14
ST52(E355)	≥640	≥5	≥600	≥520	≥14
SAE1026	≥640	≥5	≥600	≥510	≥12
45#	≥650	≥5	≥600	≥510	≥12

Standard Size:
I.D(mm)	O.D(mm)	WT(mm)	I.D(mm)	O.D(mm)	WT(mm)	I.D(mm)	O.D(mm)	WT(mm)
40	50	5	90	100	5	140	156	8
40	52	6	90	105	7.5	140	160	10
40	55	7.5	90	110	10	140	165	12.5
40	58	9	90	114	12	140	168	14
50	60	5	95	105	5	140	170	10
50	65	7.5	95	110	7.5	140	180	20
50	70	10	100	110	5	150	170	10
60	70	5	100	115	7.5	150	175	12.5
60	72	6	100	120	10	150	180	15
60	75	7.5	100	125	12.5	160	180	10
60	80	10	100	127	13.5	160	185	12.5
63	73	5	100	130	15	160	190	10
63	75	6	110	125	7.5	160	200	20
63	76	6.5	110	130	10	170	190	10
63	78	7.5	110	140	15	170	195	12.5
63	80	8.5	115	130	7.5	170	200	15
63	83	10	115	135	10	180	200	10
70	80	5	120	135	7.5	180	205	12.5
70	82	6	120	140	10	180	210	15
70	85	7.5	120	145	12.5	180	220	20
70	90	10	120	150	15	200	220	10
75	85	5	125	140	7.5	200	225	12.5
75	90	7.5	125	145	12.5	200	230	15
75	95	10	125	150	12.5	200	235	17.5
80	90	5	125	152	13.5	200	245	22.5
80	92	6	125	155	15	220	250	15
80	95	7.5	125	160	17.5	220	270	25
80	100	10	130	145	7.5	220	273	26.5
80	102	11	130	150	10	240	270	15
80	105	12.5	130	160	15	250	290	20
80	110	15	135	160	12.5	250	299	24.5
Special requirement						230.5	254	11.75

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◉ FAQ

Q: Are You Manufacture or Trade Company?
A: We are the professional manufacturer of pipeline products located in Tianjin，China. Welcome to contact us and visit our factory before you place orders.
Q: How do you guarantee the quality?
A: We can send free samples to you, we can accept third-party testing.
We also have test certificate, every batch goods will be testing before shipment, and the testing report will delivery to you with your goods.
Q: Can I get free samples?
A: Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.
Q: What is the MOQ?
A: If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.
Q: Can you OEM or ODM?
A: Yes, we have a strong developing team. The products can be made according to your request

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