Qingdao Wanrunda Imp and Exp Co.,ltd mainly export 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
Production specification:
Rectangular hot dip galvanized steel hollow section
Size: 50x100mm x 8mm x 6000mm
Material: Q235
Tyoe: rectangular shape

Product instruction:
Instruction for our Hot Dipped Galvanized steel pipe
1) Description: BS 1387 Galvanzied steel pipe (GI pipe)
2) Standard: BS1387; ASTM A53; GB/T3901; BS4568...
3) Material: Q195-235, A106B, A53
4) Size: From 25mm to 762mm
5) Thickness: From 2.0mm to 20mm
6) Length: 1-12m suitable for galvanized steel pipe
7) Zinc coated: Normal 240-280g/M2( or as requirement)
8) Application: Water, oil, gas transportation. Building. Structure pipe
9) Certificate: ISO9001-2008, BV assessment, SGS, QC
10) Surface treatment: Threaded and couplings, blue plastic cap, blue band
11) Delivery:
a) If stock, just need about 7 days.
b) If mill-ordering, need about 20-30days.
12) Packing:
a) Bare packing with bundle
b) Seaworthy pp wrapping with bundle
13) Payment: 30% deposits by TT in advance
14) Inspection for our galvanized steel pipe:
a) We have our own quality inspection system.
b) We can accept any third party inspection
15) 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

Company introduction:
QINGDAO WANRUNDA IMP AND EXP CO.,LTD is a special and experienced steel supplier and exporter, can manufacture according to ASTM,JIS,DIN,API standard. We have exported to Australia, Doha, Sri Lanka, India, Turkey, Kyrgyzstan, Russia, Canada, Poland, Middle east countries and African countries, We got very good reputation from all our cooperative clients;
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.

Production specification:
Rectangular hot dip galvanized steel hollow section
Size: 50x100mm x 8mm x 6000mm
Material: Q235
Tyoe: rectangular shape

Product instruction:
Product Description: | HOT DIPPED GALVANIZED STEEL PIPE |
Standard: | BS1387; ASTM A53; GB/T3901; BS4568.. |
Dimension: | SHS: 25X25-600X600mm, RHS:25X50-400X600mm,CHS:OD25-720mm |
Wall thickness: | 2.0-20 mm |
Length: | Normal 6000mm, Range: 1-12meters, or as the request of customers |
Tolorance of OD: | ±0.25mm |
Material: | Q195/Q235/ASTM A36/ASTM A53 |
MOQ: | Normal dimension 5MT, unnormal dimension should negotaite. |
Payment term: | 30% payment in advance by T/T |
Delivery time: | 7-20 days after receiving the deposits. |
Instruction for our Hot Dipped Galvanized steel pipe
1) Description: BS 1387 Galvanzied steel pipe (GI pipe)
2) Standard: BS1387; ASTM A53; GB/T3901; BS4568...
3) Material: Q195-235, A106B, A53
4) Size: From 25mm to 762mm
5) Thickness: From 2.0mm to 20mm
6) Length: 1-12m suitable for galvanized steel pipe
7) Zinc coated: Normal 240-280g/M2( or as requirement)
8) Application: Water, oil, gas transportation. Building. Structure pipe
9) Certificate: ISO9001-2008, BV assessment, SGS, QC
10) Surface treatment: Threaded and couplings, blue plastic cap, blue band
11) Delivery:
a) If stock, just need about 7 days.
b) If mill-ordering, need about 20-30days.
12) Packing:
a) Bare packing with bundle
b) Seaworthy pp wrapping with bundle
13) Payment: 30% deposits by TT in advance
14) Inspection for our galvanized steel pipe:
a) We have our own quality inspection system.
b) We can accept any third party inspection
15) 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

Company introduction:
QINGDAO WANRUNDA IMP AND EXP CO.,LTD is a special and experienced steel supplier and exporter, can manufacture according to ASTM,JIS,DIN,API standard. We have exported to Australia, Doha, Sri Lanka, India, Turkey, Kyrgyzstan, Russia, Canada, Poland, Middle east countries and African countries, We got very good reputation from all our cooperative clients;
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.

Normal dimension of steel pipe | |||||
Square (SHS) | Rectangular(RHS) | Circle (CHS) | |||
Out dia. (mm) | Wall thickness (mm) | Out dia. (mm) | Wall thickness (mm) | Out dia. (mm) | Wall thickness (mm) |
10x10 | 0.5-1.0 | 10x20 | 0.6-1.0 | 10 | 0.5-1.0 |
12x12 | 0.5-1.0 | 12x25 | 0.6-1.0 | 12 | 0.6-1.0 |
16x16 | 0.6-1.2 | 20x40 | 0.6-1.6 | 16 | 0.6-1.0 |
19x19 | 0.6-1.5 | 25x50 | 0.8-2.75 | 19 | 0.6-1.5 |
20x20 | 0.6-1.6 | 30x50 | 0.8-3.0 | 20 | 0.6-1.5 |
25x25 | 0.8-2.75 | 30x60 | 0.8-3.0 | 21.5 | 0.6-1.5 |
30x30 | 0.8-2.75 | 40x60 | 1.0-4.0 | 25 | 0.8-2.75 |
32x32 | 1.0-3.0 | 40x80 | 1.5-4.0 | 27 | 0.8-2.75 |
38x38 | 1.0-3.0 | 50x75 | 1.5-4.0 | 32 | 0.8-3.0 |
40x40 | 1.0-3.5 | 50x100 | 2.0-6.0 | 38.1 | 1.0-3.0 |
50x50 | 1.0-5.0 | 50x125 | 2.0-6.0 | 42.5 | 1.0-3.5 |
60x60 | 1.0-6.0 | 50x150 | 3.0-6.0 | 48.4 | 1.0-5.0 |
63.5x63.5 | 1.0-6.0 | 60x80 | 1.5-6.0 | 50.8 | 1.0-5.0 |
70x70 | 1.5-6.0 | 60x100 | 2.0-6.0 | 63.5 | 1.0-6.0 |
75x75 | 1.5-6.0 | 60x120 | 2.0-6.0 | 68 | 1.2-6.0 |
80x80 | 2.0-6.0 | 75x100 | 2.0-6.0 | 70 | 1.2-6.0 |
90x90 | 2.0-6.0 | 75x125 | 2.0-6.0 | 73 | 1.4-6.0 |
100x100 | 2.3-6.0 | 75x150 | 3.0-6.0 | 76 | 1.4-6.0 |
120x120 | 3.0-6.0 | 80x120 | 2.0-6.0 | 80 | 2.0-6.0 |
125x125 | 3.0-6.0 | 80x160 | 3.0-6.0 | 89 | 2.0-6.0 |
150x150 | 3.5-8.0 | 100x150 | 4.0-12 | 90 | 2.0-6.0 |
200x200 | 4.0-12 | 100x175 | 4.0-12 | 95 | 2.0-6.0 |
250x250 | 5.0-12 | 100x200 | 4.0-12 | 100 | 2.3-6.0 |
300x300 | 5.0-14 | 150x200 | 4.0-12 | 102 | 2.3-6.0 |
350x350 | 6.0-14 | 150x250 | 4.0-14 | 108 | 2.3-6.0 |
400x400 | 6.0-18 | 150x300 | 5.0-16 | 110 | 2.3-6.0 |
500x500 | 8.0-20 | 200x300 | 5.0-16 | 114 | 2.3-6.0 |
600x600 | 8.0-20 | 200x400 | 6.0-16 | 133 | 3.0-6.0 |
300x500 | 6.0-20 | 140 | 3.0-8.0 | ||
400x600 | 8.0-20 | 152 | 3.0-8.0 | ||
165 | 3.0-8.0 | ||||
190 | 3.5-12 | ||||
200 | 4.0-12 | ||||
219 | 4.0-12 | ||||
273 | 4.0-14 | ||||
325 | 5.0-16 | ||||
377 | 5.0-16 | ||||
426 | 6.0-20 |