"Quality to start with, Honesty as base, Sincere company and mutual profit" is our idea, as a way to build constantly and pursue the excellence for 2019 New Style China Building Material Galvanized Hollow Steel Steel Tube Square Steel Pipe, With a speedy advancement and our prospects appear from Europe, United States, Africa and everywhere in the world. Welcome to go to our factory and welcome your purchase, for even further inquires make sure you never hesitate to contact us!
"Quality to start with, Honesty as base, Sincere company and mutual profit" is our idea, as a way to build constantly and pursue the excellence for China Steel Tube, hollow section, The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process , increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.
Product | Carbon Steel Pipe |
Shape | Round Hollow Section
Square and Rectangular Hollow Section |
Material | Carbon Steel |
Grade | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Grade B Grade C |
Round Steel Pipe Standards | ASTM A53, API 5L, ASTM A252, ASTM A795, ISO65, DIN2440, BS1387. BS1139, EN10255, EN39, JIS3444, GB/T 3091 & GB/T13793 |
Square Steel Pipe Standards | ASTM A500, A36, EN10219, EN10210, GB/T 6728, JIS G3466 |
Surface | 1.Bare/Natural Black
2.Color Painted 3.Oiled with or without wrapped 4.Galvanized / Zinc Coated |
Ends | Plain ends |
Special Ends | Round erw steel pipe ends : threaded, beveled, grooved;
Round ssaw steel pipe ends: beveled |
Round ERW Welded Steel Pipe size chart | |||||||||
DN | OD | ASTM A53 GRA / B | ASTM A795 GRA / B | BS1387 EN10255 | |||||
SCH10S | STD SCH40 | SCH10 | SCH30 SCH40 | LIGHT | MEDIUM | HEAVY | |||
MM | INCH | MM | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) |
15 | 1/2” | 21.3 | 2.11 | 2.77 | - | 2.77 | 2 | 2.6 | - |
20 | 3/4” | 26.7 | 2.11 | 2.87 | 2.11 | 2.87 | 2.3 | 2.6 | 3.2 |
25 | 1” | 33.4 | 2.77 | 3.38 | 2.77 | 3.38 | 2.6 | 3.2 | 4 |
32 | 1-1/4” | 42.2 | 2.77 | 3.56 | 2.77 | 3.56 | 2.6 | 3.2 | 4 |
40 | 1-1/2” | 48.3 | 2.77 | 3.68 | 2.77 | 3.68 | 2.9 | 3.2 | 4 |
50 | 2” | 60.3 | 2.77 | 3.91 | 2.77 | 3.91 | 2.9 | 3.6 | 4.5 |
65 | 2-1/2” | 73 | 3.05 | 5.16 | 3.05 | 5.16 | 3.2 | 3.6 | 4.5 |
80 | 3” | 88.9 | 3.05 | 5.49 | 3.05 | 5.49 | 3.2 | 4 | 5 |
90 | 3-1/2" | 101.6 | 3.05 | 5.74 | 3.05 | 5.74 | - | - | - |
100 | 4” | 114.3 | 3.05 | 6.02 | 3.05 | 6.02 | 3.6 | 4.5 | 5.4 |
125 | 5” | 141.3 | 3.4 | 6.55 | 3.4 | 6.55 | - | 5 | 5.4 |
150 | 6” | 168.3 | 3.4 | 7.11 | 3.4 | 7.11 | - | 5 | 5.4 |
200 | 8” | 219.1 | 3.76 | 8.18 | 4.78 | 7.04 | - | - | - |
250 | 10” | 273.1 | 4.19 | 9.27 | 4.78 | 7.8 | - | - | - |
Spiral Welded Steel Pipe | |
Certificate | API 5L Certificate |
Specification: | Outside Diameter: 219-2032mm |
Wall Thickness: 5-16mm | |
Length: 12m or customized | |
Surface | Bare / Natural black |
Galvanized | |
3PE / FPE | |
Pipe Ends | Beveled or Plain |
Steel Grade | Grade B / L245, X42, X52, X60 |
Strict Quality Control:
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates
Packing and Delivery:
Packing Details :
1. Round pipe OD 219mm and below, Square pipe OD 300mm and below: In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles or as clients requirements;
2. Round pipe above OD 219mm, Square pipe above OD 300mm: in bulk;
3. 25 tons/container and 5 tons/size for a trial order;
4. For 20" container the max length is 5.8m;
5. For 40" container the max length is 11.8m.
Delivery Details : Depending on the QTY, normally one month.