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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

We are a manufacturer and exporter specializing in metal material research, production, retail, wholesale, packaging, after-sales. We have been engaged in export trade for more than 10 years and have rich experience in this field.

Packing and delivery

Our main products include carbon steel plates, carbon steel coils, carbon steel pipes, carbon steel bars, stainless steel plates, stainless steel coils, stainless steel pipes, color-coated coils, color tiles, galvanized plates, galvanized coils, galvanized roofing, galvanized zinc, etc. With many competitive advantages such as complete varieties, sufficient inventory, excellent quality, low prices, short delivery time, and good after-sales service.

Customer visit

Our products are sold well in China and exported to South Korea, Japan, Russia, Germany, Britain, Austria, Czech Republic, Hungary, Netherlands, Slovenia, Bulgaria, Egypt, Saudi Arabia, Iran, Kuwait, UAE, Turkey, Israel, Syria, Lebanon, Jordan, Yemen, Cyprus, Philippines, Vietnam, Malaysia and many other countries...

Application field

Steel pipe is the most basic and common material in the field of construction. First of all, as a building structural material, steel pipe is often used in the construction of supports, bridges and building frames to ensure their stability and safety. Secondly, steel pipe is also a material widely used in building decoration projects, and can be used to make interior decorations, guardrails, flower stands, etc.

COOPERATIVE PARTNER

FAQ

Q: Do you have quality control?

A: Yes, we have gained BV, SGS authentication.

Q: Can you arrange the shipment?

A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to quantity.

Q:How can we get the offer?

A:Please offer the specification of the product,such as material,size,shape,etc.So wecan give the best offer.

Q:Can we get the some samples?Any charges?

A:Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.

Q: How do you make our business long-term and good relationship ?

A: 1.We keep good quality and competitive price to ensure our customers' benefit. 2.We respect every customer as our friend and we sincerrly do business and make friends with them, no matter where they come from.

Seamless Pipe