Product Details
Company Profile

Dellok Green house Scaffolding Iron Steel Pipe Hot Dip Galvanized Steel Pipe

Dellok Green house Scaffolding Iron Steel Pipe Hot Dip Galvanized Steel Pipe

About Us

^{Dellok(YONGHUI Radiating Pipe Manufacturing Co.,Ltd) was established in 2002, which is located in Nanjing, China.We joined HARBIN AIR CONDITIONING CO., LTD. in 2022 and became the most professional industry manufacturer in China. After many years of development, the company now has 66 million yuan in fixed assets, more than 200 employees, and 33 technical staffs. We have 4 aluminum processing production lines, with the annual processing capacity of more than 20,000 tons; And we have 5 tube-drawing production lines; 47 fintube production lines, 1 imported production line from American with the brand of McElroy , with the annual production capacity of 12 million meters the above.}

^{-Production process-}

^{Quality reflects Dellok(YONGHUI) 's strength, outstanding quality rejects mediocrity, each set of advanced equipment and each unique process condenses the spirit of excellence of Dellok(YONGHUI) people. Dellok(YONGHUI) deeply understands that only near-perfect products can realize the core connotation of Dellok(YONGHUI) 's commitment to "achieve your value" , which guarantees your interests and values.}

Customization

Customized packaging

Min. order: 25

Graphic customization

Min. order: 25

Customized logo

Min. order: 25

Size

Related Standard & Specification: API 5CT, ISO 11960, API 5B, GOST

Related Grade: J55, K55, N80, L80-1, L80-9Cr, L80-13Cr, P110, Q125, K55 D10, L80 D10.

Available Approved Marine: ABS / BV / LR / DNV / GL / KR, EN10204 3.2 MTC

Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156

Produce Process: Hot Rolled, Cold Drawn, Hot Expanded.

Accessories: Pup Joint, Coupling (Coupling Stock), Blast Joint, Crossover etc.

Connection: API connection and Premium connection, like TPCQ, HSM etc.

API Casing
Size		Grade and Connection									Standards
OD mm (in)	WT/mm	H40	J55 K55	M65	L80-1 R95	N80-1 N80Q	C90 T95	C110	P110	Q125	Standards
114.3(4.5')	5.21	S	S	S							API SPEC 5CT/ISO11960
	5.69		S/B	S/B
	6.35		S/L/B	L/B	L/B	L/B	L/B		L/B
	7.37			L/B	L/B	L/B	L/B		L/B
	8.56								L/B	L/B
127(5')	5.59		S	S
	6.43		S/L/B	S/L/B
	7.52		S/L/B	L/B	S/L/B	S/L/B	L/B		S/L/B
	9.19			L/B	S/L/B	S/L/B	L/B		S/L/B	L/B
	11.1			L/B	L/B	L/B	L/B		L/B	L/B
	12.14				L/B	L/B	L/B		L/B	L/B
	12.7				L/B	L/B	L/B		L/B	L/B
139.7(5.5')	6.2	S	S	S
	6.98		S/L/B	S/L/B
	7.72		S/L/B	L/B	S/L/B	S/L/B	L/B		S/L/B
	9.17			L/B	S/L/B	S/L/B	L/B		S/L/B
	10.54			L/B	S/L/B	S/L/B	L/B		S/L/B	S/L/B
168.28(6.625')	7.32	S	S/L/B	S/L/B
	8.94		S/L/B	L/B	S/L/B	S/L/B	L/B		S/L/B
	10.59			L/B	S/L/B	S/L/B	L/B		S/L/B
	12.06				S/L/B	S/L/B	L/B		S/L/B	L/B
177.8(7')	6.91	S	S	S
	8.05		S/L/B	L/B	S/L/B	S/L/B	L/B
	9.19			L/B	S/L/B	S/L/B	L/B		S/L/B
	10.36			L/B	S/L/B	S/L/B	L/B		S/L/B
	11.51			L/B	S/L/B	S/L/B	L/B		S/L/B
	12.65				S/L/B	S/L/B	L/B		S/L/B	S/L/B
	13.72				S/L/B	S/L/B	L/B		S/L/B	S/L/B
193.68(7.625')	8.33		S/L/B	S/L/B	L/B	L/B	L/B
	9.52			L/B	L/B	L/B	L/B		L/B
	10.92			L/B	L/B	L/B	L/B		L/B
	12.7				L/B	L/B	L/B		L/B	L/B
	14.27				L/B	L/B	L/B		L/B	L/B
	15.11				L/B	L/B	L/B		L/B	L/B
	15.88				L/B	L/B	L/B		L/B	L/B
219.08(8.625')	6.71		S	S	S
	7.72	S	S/L/B	S
	8.94	S	S/L/B	S/L/B
	10.16			S/L/B	L/B	L/B	L/B		L/B
	11.43			L/B	L/B	L/B	L/B		L/B
	12.7				L/B	L/B	L/B		L/B
	14.15				L/B	L/B	L/B		L/B	L/B
244.48(9.625')	8.94	S	S/L/B	S/L/B
	10.03		S/L/B	S/L/B	L/B	L/B	L/B		L/B
	11.05			L/B	L/B	L/B	L/B		L/B
	11.99			L/B	L/B	L/B	L/B		L/B	L/B
	13.84				L/B	L/B	L/B		L/B	L/B
	15.11				L/B	L/B	L/B		L/B
273.05(10.75')	8.89	S/B		S/B
	10.16	S/B	S/B	S/B
	11.43	S/B	S/B	S/B	S/B	S/B	S/B		S/B
	12.57				S/B	S/B	S/B		S/B
	13.84						S/B		S/B	S/B
	15.11						S/B		S/B	S/B
298.45(11.75')	9.65
	10.92
	12.19				S/B				S/B
	13.06				S/B				S/B	S/B
339.72(13.375')	8.38	S
	9.65		S/B	S/B
	10.92		S/B	S/B
	12.19			S/B	S/B	S/B	S/B		S/B
	13.06				S/B	S/B	S/B		S/B	S/B
406.4(16')	16.66
508(20')	16.13		S/L/B
Note: S-SC;L-LC;B-BC.

API Tubing
Size		Grade and Connection							Standards
OD mm (in)	WT/mm	H40	J55	L80-1 R95	N80-1 N80Q	C90	T95	P110	Standards
42.16(1.66')	3.18								API SPEC 5CT/ISO11960
	3.56	N/U	N/U	N/U	N/U	N/U	N/U
	4.85	U	U	U	U	U	U	U
48.26(1.9')	3.18	N/U	N/U	N/U	N/U	N/U	N/U
	3.68	N/U	N/U	N/U	N/U	N/U	N/U
	5.08	U	U	U	U	U	U	U
	6.35
	7.62
60.32(2.375')	4.24
	4.83
	6.45
	7.49
	8.53
73.02(2.875')	5.51	N/U	N/U	N/U	N/U	N/U	N/U	N/U
	7.01			N/U	N/U	N/U	N/U	N/U
	7.82			N/U	N/U	N/U	N/U	N/U
	8.64				U			U
	9.96
	11.18	U	N	N	N	N	N
88.9(3.5')	5.49
	6.45	N/U	N/U	N/U	N/U	N/U	N/U	N/U
	7.34	N	N	N	N	N	N
	9.52			N/U	N/U	N/U	N/U	N/U
	10.92
	12.09
	13.46
101.6(4')	5.74	N	N	N	N	N	N	N
	6.65	U	U	U	U	U	U	U
	8.38
	10.54
	12.7
	15.49
114.3(4.5')	6.88	N/U	N/U	N/U	N/U	N/U	N/U	N/U
	8.56
	9.65
	10.92
	12.7
	14.22
	16
Note: N-NU; U-EU.

Chemical Analysis(%) For Part Standard
Standard	Class	Grade	Type	C		Mn		Mo		Cr		Ni	Cu	P	S	Si
Standard	Class	Grade	Type	min	max	min	max	min	max	min	max	max	max	max	max	max
	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
API 5CT	1	H40	-	-	-	-	-	-	-	-	-		-	0.03	0.03	-
		J55	-	-	-	-	-	-	-	-	-		-	0.03	0.03	-
		K55	-	-	-	-	-	-	-	-	-		-	0.03	0.03	-
		N80	1	-	-	-	-	-	-	-	-		-	0.03	0.03	-
		N80	Q	-	-	-	-	-	-	-	-		-	0.03	0.03	-
	2	M65	-	-	-	-	-	-	-	-	-		-	0.03	0.03	-
		L80	1	-	0.43	-	1.9	-	-	-	-	0.25	0.35	0.03	0.03	0.45
		L80	9Cr	-	0.15	0.3	0.6	0.9	1.1	8	10	0.5	0.25	0.02	0.01	1
		L80	13Cr	0.15	0.22	0.25	1	-	-	12	14	0.5	0.25	0.02	0.01	1
		C90	1	-	0.35	-	1.2	0.25	0.85	-	1.5	0.99	-	0.02	0.01	-
		C90	2	-	0.5	-	1.9	-	NL	-	NL	0.99	-	0.03	0.01	-
		C95	-	-	0.45	-	1.9	-	-	-	-	-	-	0.03	0.03	0.45
		T95	1	-	0.35	-	1.2	0.25	0.85	0.4	1.5	0.99	-	0.02	0.01	-
		T95	2	-	0.5	-	1.9	-	-	-	-	0.99	-	0.03	0.01	-
	3	P110		-	-	-	-	-	-	-	-		-	0.03	0.03	-
	4	Q125	1	-	0.35	-	1.35	-	0.85	-	1.5	0.99	-	0.02	0.01	-
		Q125	2	-	0.35	-	1	-	NL	-	NL	0.99	-	0.02	0.02	-
		Q125	3	-	0.5	-	1.9	-	NL	-	NL	0.99	-	0.03	0.01	-
		Q125	4	-	0.5	-	1.9	-	NL	-	NL	0.99	-	0.03	0.02	-

Tensile Property For Part Standard
Standard	Class	Grade	Type	Elongation(%)	Yield Strengh(Mpa)		Tensile Strengh(Mpa)	Hardness(Max)		Required WT	Allowed Tolerance of Hardness
					Min	Max	Min	HRC	HBW/-	mm	HRC
	1	2	3	4	5	6	7	8	9	10	11
API 5CT	1	H40		0.5	276	552	414	-	-	-	-
		J55	-	0.5	379	552	517	-	-	-	-
		K55	-	0.5	379	552	655	-	-	-	-
		N80	1	0.5	552	758	689	-	-	-	-
		N80	Q	0.5	552	758	689	-	-	-	-
	2	M65	-	0.5	448	586	586	22	235	-	-
		L80	1	0.5	552	655	655	23	241	-	-
		L80	9Cr	0.5	552	655	655	23	241	-	-
		L80	13Cr	0.5	552	655	655	23	241	-	-
		C90	1,2	0.5	621	724	689	25.4	255	≤12.70	3
		C90	1,2	0.5	621	724	689	25.4	255	12.71~19.04	4
		C90	1,2	0.5	621	724	689	25.4	255	19.05~25.39	5
		C90	1,2	0.5	621	724	689	25.4	255	≥25.40	6
		C95	-	0.5	655	758	724	-	-	-	-
		T95	1,2	0.5	655	758	724	25.4	255	≤12.70	3
		T95	1,2	0.5	655	758	724	25.4	255	12.71~19.04	4
		T95	1,2	0.5	655	758	724	25.4	255	19.05~25.39	5
		T95	1,2	0.5	655	758	724	25.4	255	≥25.40	6
	3	P110	-	0.6	758	965	862	-	-	-	-
	4	Q125	1~4	0.65	862	1034	931	-	-	≤12.70	3
		Q125	1~4	0.65	862	1034	931	-	-	12.71~19.04	4
		Q125	1~4	0.65	862	1034	931	-	-	≥19.05	5

FAQ

Q: How is your Payment Term?

A:One is 30% deposit by TT before production and 70% balance against copy of B/L; the other is Irrevocable L/C 100% at sight.

Q: Can we visit your factory?

A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

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Categories	HFW Steel Pipe
Brand Name:	Dellok Yonghui
Model Number:	Non-Alloy
Place of Origin:	CHINA
MOQ:	1t
Price:	25 - 124 tons $610.00 >= 125 tons $500.00
Payment Terms:	T/T, L/C
Supply Ability:	3000 Ton/Tons per Month
Delivery Time:	5-8calendar days
Packaging Details:	Standard export package or as per customer's requirements. 48.3mm Scaffolding Iron Steel Pipe Tube Specifications
Certification:	API, CE, ISO9001
Coating:	Black Painting
Connection:	8RD
Ends:	Plain End
Grade:	J55
Heat Number:	123456789
Inspection:	API 5CT/5B
Length:	R2
Material:	Carbon Steel
Packing:	In Bundle
Size:	2 3/8
Surface Treatment:	Anti-corrosion
Third Party Inspection:	SGS/BV/ABS
Thread Type:	EUE
Weight:	6.45 lbs/ft