Name: Longitudinal Welded Steel Tube Electric Resistance With Oiled Surface Treatment
Brand: TORICH INTERNATIONAL LIMITED
SKU: GB/T 13793
Price: 1200 USD
Availability: InStock

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Longitudinal Welded Steel Tube Electric Resistance With Oiled Surface Treatment

welded steel pipe

welding steel tubing

Place of Origin:

Zhejiang China

Brand Name:

TORICH

Certification:

ISO 9001

Model Number:

GB/T 13793

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Longitudinal Welded Steel Tube Electric Resistance With Oiled Surface Treatment

Product Details

Model No:

GB/T 13793

Type:

Welded

Certification:

API

Section Shape:

Round

Surface Treatment:

Oiled

Technique:

Cold Drawn

Material:

Carbon Steel, Carbon Steel

W.T:

0.5~5.5mm

O.D:

5~711mm

:4~12m

Place Of Origin:

Zhejiang China

Supply Ability:

100000 Ton Per Year

Highlight:

welded steel pipe

welding steel tubing

Payment & Shipping Terms

Minimum Order Quantity

5 TONS

Price

1200 USD per Ton

Packaging Details

Bundle packing by Iron Strips.

Delivery Time

5-8 weeks

Payment Terms

L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability

100000Ton per year

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Product Description

Longitudinal Welded Steel Tube Electric Resistance With Oiled Surface Treatment 0

Application:Suitable for mechanical, construction and other structural purposes, and the straight seam welded steel pipe
with an outer diameter of not more than 711mm, can also be applied to general welded steel pipe for fluid transportation
size: L--4~12m OD--5~711mm WT--0.5~5.5mm
Grade:10,20,Q195,Q215,Q213,Q275
Manufacture method:The steel pipe shall be made of hot rolled steel strip or cold rolled steel strip by high frequency resistance welding method
Delivery State:Steel tube should be welding or heat treatment state delivery
Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns.
Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation

Tolerance of Outer Diameter Unit:mm

Outer Diameter(D)	General Precesion(PD.A)^a	Higher Precision(PD.B)	High Precision(PD.C)
5-20	±0.30	±0.15	±0.05
﹥20-35	±0.40	±0.20	±0.10
＞35-50	±0.50	±0.25	±0.15
＞50-80	±1%D	±0.35	±0.25
＞80-114.3		±0.60	±0.40
＞114.3-168.3		±0.70	±0.50
＞168.3-219.1		±0.80	±0.60
＞219.1-711		±0.75%D	±0.5%D
^aNot apply for steel pipe for roller of belt conveyor

Tolerance of Wall Thickness Unit:mm

Wall Thickness(t)	General Precesion(PD.A)^a	Higher Precision(PD.B)	High Precision(PD.C)	Non-uniform Wall Thickness^b
0.50-0.70	±0.10	±0.04	±0.03	≤7.5%t
＞0.70-1.0		±0.05	±0.04
＞1.0-1.5		±0.06	±0.05
＞1.5-2.5	±10%t	±0.12	±0.06
＞2.5-3.5		±0.16	±0.10
＞3.5-4.5		±0.22	±0.18
＞4.5-5.5		±0.26	±0.21
＞5.5		±7.5%t	±5.0%t
^a Not apply for steel pipe for roller of belt conveyor ^b Not apply for General Precesion steel tube. Non-uniform Wall Thickness means the difference between maximum and minimum values of measured wall thickness on the same cross section.

Weight coefficient of galvanized steel pipe

Wall thickness t/mm		1.2	1.4	1.5	1.6	1.8	2.0	2.2	2.5	2.8	3.0	3.2	3.5
Coefficient c	A	1.106	1.091	1.085	1.080	1.071	1.064	1.058	1.051	1.045	1.042	1.040	1.036
Coefficient c	B	1.085	1.073	1.068	1.064	1.057	1.051	1.046	1.041	1.036	1.034	1.032	1.029
Coefficient c	C	1.064	1.055	1.051	1.048	1.042	1.038	1.035	1.031	1.027	1.025	1.022	1.020
Wall thickness t/mm		3.8	4.0	4.2	4.5	4.8	5.0	5.4	5.6	6.0	6.5	7.0	8.0
Coefficient c	A	1.034	1.032	1.030	1.028	1.027	1.025	1.024	1.023	1.021	1.020	1.018	1.016
Coefficient c	B	1.027	1.025	1.024	1.023	1.021	1.020	1.019	1.018	1.017	1.016	1.015	1.013
Coefficient c	C	1.020	1.019	1.018	1.017	1.016	1.015	1.014	1.014	1.013	1.012	1.011	1.010
Wall thickness t/mm		9.0	10.0	11.0	12.0	12.7	13.0	14.2	16.0	17.5	20.0
Coefficient c	A	1.014	1.013	1.012	1.011	1.010	1.010	1.009	1.008	1.007	1.006
Coefficient c	B	1.011	1.010	1.009	1.008	1.008	1.008	1.007	1.006	1.006	1.005
Coefficient c	C	1.008	1.008	1.007	1.006	1.006	1.006	1.005	1.005	1.004	1.004

Longitudinal Welded Steel Tube Electric Resistance With Oiled Surface Treatment 1

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