Qingdao Wanrunda Imp and Exp Co.,ltd mainly supply and export various of Metal and Steel material (such as Galvanized steel pipe/tube; Welded steel pipe/tube; Square pipe/tube; Seamless steel pipe; Stainless steel tube; Galvanized steel coil; Stainless steel coil; Angle steel; H beam; Channel beam; C beam/Riffled sheet; Square bar etc) .
At the same time we operate metal processing business, such as stamping, bending, welding, drilling, galvanizing, oiling, painting, powder coating etc.
Introduction or our Pre-galvanized steel tube:
Commodity: PRE-GALVANIZED STEEL PIPE
Dimension range: SHS: 10X10-120X120mm, RHS:10X20-80X120mm,CHS:OD12.7-101.6mm
Wall thickness: 0.4-2.0 mm
Length: 1-12meters( normal length6000mm, accept fixed length)
Material: Q195 and Q235 Mild Steel , ASTM A36, SS400
Surface treatment: Pre-Galvanized surface, Zinc coat:80g-120g ( or required Zinc coat)
Thickness tolerance: +/- 0.05mm
OD. Tolerance: +/- 0.05mm
Technique: Cold rolled & Galvanized
Application: Furniture tubes, Fence ,Road sign, rail, Decorative tubes, construction, automobile industry, fishery industry, warmhouse booth,etc
MOQ: 10MT
Package: to be packed in bundle, wrapped with steel strips.
Payment term: T/T or L/C at sight
Delivery time: within 15-20days after receiving the deposit
Remark: Special spec is available
Usual dimensions & sizes :
Normal dimension of Pre galvanized steel pipe |
Square (SHS) |
Rectangular(RHS) |
Circle (CHS) |
Out dia.
(mm) |
W.T
(mm) |
Out dia.
(mm) |
W.T
(mm) |
Out dia.
(mm) |
W.T
(mm) |
12x12 |
0.4-1.0 |
10x20 |
0.4-1.0 |
12 |
0.4-1.0 |
19x19 |
0.6-1.5 |
20x40 |
0.8-1.6 |
19 |
0.6-1.5 |
20x20 |
0.6-1.6 |
30x50 |
0.8-1.8 |
20 |
0.6-1.5 |
30x30 |
0.7-1.6 |
40x60 |
1.0-1.8 |
25 |
0.6-1.6 |
40x40 |
0.8-1.8 |
40x80 |
1.0-1.8 |
38 |
0.7-1.6 |
50x50 |
1.0-1.8 |
35x70 |
1.0-1.8 |
50 |
0.8-1.8 |
60x60 |
1.0-1.8 |
50x100 |
1.0-2.0 |
63 |
0.8-1.8 |
80x80 |
1.2-1.8 |
60x120 |
1.0-2.0 |
76 |
1.0-1.8 |
100x100 |
1.2-2.0 |
|
|
80 |
1.0-2.0 |
120x120 |
1.2-2.0 |
|
|
100 |
1.0-2.0 |
|
|
|
|
114 |
1.0-2.0 |
Process technique:
Mechanical character & Chemical element of normal material:
Material
Chemical
Composition
(%) |
Q195 |
C |
Mn |
Si |
S |
P |
|
0.06-0.12 |
0.25-0.50 |
≤0.30 |
≤0.050 |
≤0.045 |
|
Tensile strength: 315-430(Mpa) |
Yield strength:195(Mpa) |
Elongation:33 |
Q235 |
C |
Mn |
Si |
S |
P |
|
0.12-2.0 |
0.3-0.70 |
≤0.30 |
≤0.045 |
≤0.045 |
|
Tensile strength: 375-460(Mpa) |
Yield strength:235(Mpa) |
Elongation:26 |
Q345 |
C |
Mn |
Si |
S |
P |
V |
≤0.20 |
≤1.70 |
≤0.55 |
≤0.040 |
≤0.040 |
0.02-0.15 |
Tensile strength: 470-630(Mpa) |
Yield strength:345(Mpa) |
Elongation:2 |
Our advantage:
Payment Terms |
L/C T/T and D/P,etc |
Advantage 1 |
We have our own factory, Save you a lot of cost .So we have competitive price |
Advantage 2 |
Strict quality control, ensure you the high quality product quality |
Advantage 3 |
High-quality service team, provide you full service customer satisfaction |
method of transportation |
By container or bulk carrier transportation and train transportation. |
Surface treatment |
Hot Rolled/Cold Rolled/ Cold Drawn, Zinc coat:80-160g / 200-400g |
Standard |
BS 1387, GB 3091, ASTM A53, JIS G3444, DIN2444 |
|
|
Advantage for our galvanized steel pipe:
a) Small MOQ
b) Large supply ability
c) Can accept any complex inquiry
d) Stock available
e) Strong processing and warehousing service
f) Strict quality control
g) Professional negotiation
h) Reasonable price
i) Quick and stable delivery time
j) Good after-sales service
Remark:
Special spec is available
1) contract manufacturing: OEM service offered, design service offered, buyer Label offered
2) small quantity is welcome
3) non-standard products can be ordered
4) a strong production capacity and a large inventory guarantee the quick Delivery
5) we have our own steel mill, so business without a third-party
CONTAINER LOADING:
We mainly manufacture and sale various kinds of steel pipe, include Welded pipe/Galvanized steel pipe/Pre-Galvanized steel pipe/Square and Rectangular hollow section/Furniture pipe/Warmhouse booth pipe/stainless steel pipe etc ; Steel coil include Pre-Galvanized steel coil and stainless steel coil; Steel profile include Angle steel/Channel steel/Steel checkered plate/Square steel/C-channel steel etc. We also deal with assorted products, such as Flange/Steel hinge/Plastic pipe plug and cap etc.