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  • Wuxi Topwell Metal
  • Wuxi Topwell Metal
  • Wuxi Topwell Metal
  • Wuxi Topwell Metal
  • Wuxi Topwell Metal

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.

Keyword:

Ductile Iron 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)
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 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
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
C Si Mn P S Cr Ni Cu Tensile Strength(Mpa) Yield Strength(Mpa) Elongation(%)
GB/T8163 10 0.07-0.14 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035 ≤0.15 ≤0.25 ≤0.25 335-457 ≥205 ≥24
20 0.17-0.24 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035 ≤0.25 ≤0.25 ≤0.25 410-550 ≥245 ≥20
Q345 0.12-0.20 0.20-0.55 1.20-1.60 ≤0.045 ≤0.045 - - - 490-665 ≥325 ≥21


Structural Steel Pipe Tolerance 

Pipe types Pipe Szie(mm) Tolerances
Hot rolled OD All ±1% (min ±0.50mm)
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

 

Warehouse Storage

Our company is committed to providing a series of high-quality, innovative and cost-effective steel products, which are widely used in various industries. With more than 3,000 independent patents, the annual output of steel products exceeds 5 million tons, and the inventory exceeds 200,000 tons.

 

 

Packing and shipping

Due to our continuous and widespread success in overseas market and outstanding social contributions, our company was awarded by the local government for many times.  Our products have been exported to Southeast Asia, Middle east, South America, Europe, Oceania and other countries and regions, which enjoys good reputation.

 

Customer conversation

 We adhere to the management principle of "quality first, service first, continuous improvement and innovation to meet customer needs", and strive to build a leading world-class manufacturer in China.

 

 

Application field

Construction and decoration field, cooking equipment, kitchenwares, household appliances, food processing equipment, hospital surgical equipment, shipbuilding, oil industry, refrigeration equipment, papermaking industry, pressure vessel, chemical equipment, bridge construction, textile printing and dyeing equipment.

 

Partners

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FAQ

Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

Q: Do you provide the samples? Free or Extra?

A: The cost of the samples is according to the value.The cost of the freight is necessary.

Q: Do you have large amount of steel products in stock?

A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 200000 tons.

Q: What is your delivery time and the supply ability?

A:The delivery time normally within 15~28working days,we can supply about 10,000tons every month.

Q: How to order?

A: Buyer sends the enquery --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery

Q: How can you ensure the quality of your product?

A: All products have to go through three checks in the whole manufacturing process,it includes production and Random Testing in warehouse and Before Shipping.

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