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Structural Steel Pipe

Structural Steel Pipe. A wide range of applications rely on structural steel pipe for strength and stability. Gnee steel supply welded and seamless pipe for structural applications to customers in all industries. As a leading steel pipe supplier, Gnee steel offers a large inventory of pipe and tubing sizes from 1/8” NPS to 48” NPS.

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PRODUCT DETAILS

Product introduction

Structural Steel Pipe

Pipe Type: Structural Pipe, Structural Seamless Pipe, Seamless Structural Pipe
Application: In Structural Engineering and Construction Industry

Specification: OD: 1/8'' ~ 26'' (10.3 ~ 660mm)

WT: SCH 10 ~ 160, SCH STD, SCH XS, SCH XXS

LENGTH: Fixed Length (5.8/6/11.8/12mtr), SRL, DRL

Standard: ASTM A53/A252/A500/A501, JIS G3444, EN 10210/10219

Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating

Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped

Specification of Structural Steel Pipe

API 5L/ASTM A106 GR.B, Structural Steel Pipe
公称通径 DN	外径OD(mm)	SCH40(6m/5.8m)	SCH40(6m/5.8m)	SCH40(6m/5.8m)
		SCH40(6m/5.8m)	SCH40(6m/5.8m)	SCH40(6m/5.8m)
		壁厚WT	壁厚WT	壁厚WT
		(mm)	(mm)	(mm)
1/4''	13.7	2.24	3.02	/
3/8''	17.1	2.31	3.2	/
1/2''	21.3	2.77	3.73	4.78
3/4''	26.7	2.87	3.91	5.56
1''	33.4	3.38	4.55	6.35
1-1/4''	42.2	3.56	4.85	6.35
1-1/2''	48.3	3.68	5.08	7.14
2''	60.3	3.91	5.54	8.74
2-1/2''	73	5.16	7.01	9.53
3''	88.9	5.49	7.62	11.13
3-1/2''	101.6	5.74	8.08	/
4''	114.3	6.02	8.56	13.49
5''	141.3	6.55	9.53	15.88
6''	168.3	7.11	10.97	18.26
8''	219.1	8.18	12.7	23.01
10''	273	9.27	15.09	28.58
12''	323.8	10.31	17.48	33.32
14''	355.6	9.53	11.13	19.05
16''	406.4	9.53	12.7	21.44
18''	457	9.53	14.27	23.83
20''	508	9.53	15.09	26.19
24''	610	9.53	17.48	30.96

Technical data

Structural Steel Pipe Chemical Composition and Mechanical Properties

Standard	Grade	Chemical Composition (%)					Mechanical Properties
ASTM A53	Grade	C	Si	Mn	P	S	Tensile STrength(Mpa)	Yield STrength(Mpa)
	A	≤0.25	-	≤0.95	≤0.05	≤0.06	≥330	≥205
	B	≤0.30	-	≤1.2	≤0.05	≤0.06	≥415	≥240
ASTM A106	A	≤0.30	≥0.10	0.29-1.06	≤0.035	≤0.035	≥415	≥240
ASTM A106	B	≤0.35	≥0.10	0.29-1.06	≤0.035	≤0.035	≥485	≥275
ASTM A179	A179	0.06-0.18	-	0.27-0.63	≤0.035	≤0.035	≥325	≥180
ASTM A192	A192	0.06-0.18	≤0.25	0.27-0.63	≤0.035	≤0.035	≥325	≥180
API 5L PSL1	A	0.22	-	0.90	0.030	0.030	≥331	≥207
	B	0.28	-	1.20	0.030	0.030	≥414	≥241
	X42	0.28	-	1.30	0.030	0.030	≥414	≥290
	X46	0.28	-	1.40	0.030	0.030	≥434	≥317
	X52	0.28	-	1.40	0.030	0.030	≥455	≥359
	X56	0.28	-	1.40	0.030	0.030	≥490	≥386
	X60	0.28	-	1.40	0.030	0.030	≥517	≥448
	X65	0.28	-	1.40	0.030	0.030	≥531	≥448
	X70	0.28	-	1.40	0.030	0.030	≥565	≥483
API 5L PSL2	B	0.24	-	1.20	0.025	0.015	≥414	≥241
	X42	0.24	-	1.30	0.025	0.015	≥414	≥290
	X46	0.24	-	1.40	0.025	0.015	≥434	≥317
	X52	0.24	-	1.40	0.025	0.015	≥455	≥359
	X56	0.24	-	1.40	0.025	0.015	≥490	≥386
	X60	0.24	-	1.40	0.025	0.015	≥517	≥414
	X65	0.24	-	1.40	0.025	0.015	≥531	≥448
	X70	0.24	-	1.40	0.025	0.015	≥565	≥483
	X80	0.24	-	1.40	0.025	0.015	≥621	≥552

Structural Steel Pipe Chemical Composition and Mechanical Properties

Standard

Grade

Chemical Composition

Mechanical Properties

Tensile Strength(Mpa)

Yield Strength(Mpa)

Elongation(%)

GB/T8163

0.07-0.14

0.17-0.37

0.35-0.65

≤0.035

≤0.15

≤0.25

335-457

≥205

≥24

0.17-0.24

0.17-0.37

0.35-0.65

≤0.035

≤0.25

410-550

≥245

≥20

Q345

0.12-0.20

0.20-0.55

1.20-1.60

≤0.045

490-665

≥325

≥21

Structural Steel Pipe Tolerance

Pipe types	Pipe Szie(mm)		Tolerances
Hot rolled	OD	All	±1% (min ±0.50mm)
Hot rolled	WT	All	+15%, -12.5%
Cold drawn	OD	6～10	±0.20mm
		10～30	±0.40mm
		30～50	±0.45mm
		>50	±1%
	WT	≤1	±0.15mm
		>1～3	+15% -10%
		>3	+12.5% -10%

Structural Steel Pipe End

Plain End	Wall Thickness less than 0.5 inch, including SCH STD & SCH XS
Plain End (Square Cut)	Wall Thickness over 0.5 inch, including SCH XXS
Beveled End	Wall Thickness less than 0.5 inch, including SCH STD & SCH XS
Couplings	Outside Diameter equal or less than 2''
Thread Protection	Outside Diameter over 4 inch

Factory appearance

The company has a steel pipe production plant, and has the sales agency of various types of steel related products such as plates and bars， as a comprehensive enterprise with rich steel resources and rich customer resources and marketing experience, with Marketing Department, network department, service department, comprehensive department, after-sales department, technology department, etc., engaged in the operation and sales of steel industry has more than 15 years of rich experience.

Packing and delivery

Through the joint efforts of all employees, the spirit of integrity-based, active development, the spirit of quality service and the concept of professionalism, intentions and responsibility began a new era of comprehensive development of the company.

Customer visit

Customers have expressed their recognition of our production process and product quality, and have spoken highly of our team and equipment. We also showed him our production capacity and quality management system, so that he had a deeper understanding of our strength.

Application field

Product quality enjoys a high reputation at home and abroad, and stable marketing channels have been established in domestic petroleum, petrochemical, boiler, power generation, machinery, coal, chemical and other industries. Export areas covering the world's main markets, exports to more than 20 countries and regions.

COOPERATIVE PARTNER

FAQ

1.Q: Are you trading company or manufacturer ?

A: We are professional manufacturer with rich experience, and our company also is a very professional a trade company for steel products. We can also provide a wide range of steel products.

2.Q: Will you delivery the goods on time?

A: Yes,we promise to provide best quality products and delivery on time. Honesty is our company's tenet.

3.Q: Do you provide samples ? Is it free or extra ?

A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.

4.Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

5.Q: How could you guarantee your products?

A: Each piece of products is manufactured by certified workshops, inspected by Linxu piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

6.Q: How long does your delivery time take?

A: Generally, our delivery time is within 7-45 days, if there is a great demand or special circumstances, it may be delayed.

Seamless Pipe