Structural Steel Pipe

Classification :

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.

E-mail: terente@cntntsteel.com

Whatsapp: +86-18111661558

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Seamless Pipe

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

PACKING AND DELIVERY

Packing and delivery

The company has been committed to the steel industry for many years, accumulated rich experience and technology, and has a professional team and advanced production equipment. The company mainly produces various steel products, including steel plates, steel pipes, steel coils, steel sections, galvanized color coating, etc., which are widely used in construction, machinery manufacturing, transportation and other fields.

Product Video

FACTORY APPEARANCE

The company has been committed to the steel industry for many years, accumulating rich experience and technology, and has a professional team and advanced production equipment. The company mainly produces various types of steel products, including steel plates, steel pipes, steel coils, steel profiles, galvanized color coatings, etc., which are widely used in construction, machinery manufacturing, transportation and other fields.

APPLICATION AREAS

Shandong Yiyi Iron and Steel Company always adheres to the business philosophy of "quality first, customer first", focusing on product quality and customer service. The company strictly controls every aspect of the production process to ensure stable and reliable product quality.

PRODUCT TESTING

The company has established long-term cooperative relationships with many well-known domestic and foreign enterprises, and its products are exported to both domestic and foreign markets, winning unanimous praise from customers.

CUSTOMER VISIT

The company will adhere to the principles of honest management and win-win cooperation, and work together with customers to create a better future.

Seamless Pipe