• Wuxi Hengchengtai Special Steel Co., Ltd.
    Miss Amanda
    Their Stainless steel sheet quality is prime, delivery is on time, perfect stainless steel supplier
  • Wuxi Hengchengtai Special Steel Co., Ltd.
    Mr. Thomas
    Their package and bags is very well, and the quantity is met requirement, good cooperation at first time
  • Wuxi Hengchengtai Special Steel Co., Ltd.
    Mr. Zailani
    Hastelloy C2076 ตัดโลหะผสมส่งและปลีกส่งเร็วมากบริการหลังการขายดีมากบริการออนไลน์ตลอด 24 ชั่วโมงความร่วมมือมีความสุขมากซื้อหลาย

ASTM S355 S235 Galvanized Carbon Steel Pipes Tube Square 19MM 20MM

Place of Origin Mainland China
Brand Name Hengchengtai
Certification SGS ISO ROHS
Model Number Q195/Q235 St37/St52 A53 A/B S235SS355
Minimum Order Quantity 1Ton
Price 500-1000 USD PER TON
Packaging Details Standard Waterproof Package
Delivery Time 5-10Days after confirming order
Payment Terms L/C, T/T, Western Union
Supply Ability 800TONS PER MONTH
Product Details
Product Name Carbon Steel Pipes Delivery Status Hot Dipped
Processing Service Bending Cutting Welding Punching Working Temperature 100-500 Degree
Zinc-Coating 30-280g Testing Third Party Inspection Available
High Light

ASTM S355 Carbon Steel Pipes


S235 Galvanized Carbon Steel Pipes


carbon steel tube Square 19MM 20MM

Leave a Message
Product Description

S355 Rectangle Galvanized Steel Pipe S235 Galvanized Square Steel Pipe Round Carbon Steel Pipes


Hot dipped galvanized steel round pipe(HDG),is widely used in kinds of industry and building areas all over the world.It can be used for scaffolding pipe,fluid pipe,conduit pipe,structure steel pipe,greenhouse pipe and so on.


Regular Sizes of Galvanized Steel Pipe
DN NB OD (mm) WT (mm) Pcs/Bundle

Regular Length:

5.7m, 5.8m, 6.0m, 6.4.

Besides, we can make

to order for you according

to your requested length.

15 1/2" 19mm-21.3mm 1.5mm-3.0mm 217
20 3/4" 25mm-26.9mm 1.5mm-3.0mm 169
25 1" 32mm-33.7mm 1.5mm-3.0mm 127
32 1.1/4" 40mm-42.4mm 1.5mm-4.0mm 91
40 1.1/2" 47mm-48.3mm 1.5mm-4.0mm 91
50 2" 58mm-60.3mm 1.5mm-4.0mm 61
65 2.1/2" 73mm-76.1mm 1.5mm-4.0mm 37
80 3" 87mm-88.9mm 1.5mm-9.5mm 37
100 4" 113mm-114.3mm 2.0mm-9.5mm 19
125 5" 140mm-141.3mm 3.0mm-9.5mm 19
150 6" 165mm-168.3mm 3.0mm-12.0mm 19
200 8" 219.1 3.2mm-12.0mm 7
250 10" 273.0 3.2mm-12.0mm 5 or 1
300 12" 323.9mm-325mm 6.0mm-15mm 3 or 1
350 14" 355mm-355.6mm 8.0mm-15mm 1
400 16" 406.4mm 8.0mm-20mm 1
450 18" 457mm 9.0mm-23mm 1
500 20" 508mm 9.0mm-23mm 1
550 22" 558.8mm 9.0mm-23mm 1
600 24" 609.6mm 9.0mm-23mm 1


Technique: Electrical Resistance Weld (ERW)
Usage: Construction / building materials steel pipe
Scaffolding pipe
Fence post steel pipe
Fire protection steel pipe
Greenhouse steel pipe
Low pressure liquid, water, gas, oil, line pipe
Irrigation pipe
Handrail pipe
Specifications: OD 20-660mm OD 20*30-300*650mm OD 20*20-500*500mm
WT 1.5-18.0mm WT 1.5-18.0mm WT 1.5-18.0mm
Length: 1-12m Length: 1-12m Length: 1-12m
Standard: BS EN 39, BS 1387, BS EN 10219 BS EN 10219
BS EN 10219, ASTM A500, ASTM A500,
API 5L, ASTM A53, ASTM A500, ASTM A795, JIS G3466, JIS G3466,
ISO65, ANSI C80, GB/T6728 GB/T6728
JIS G3444,    
Material: S195, S235, S355/
STK400/ SS400
Q195, Q235, Q345
Surface: 1. hot dipped galvanized (Zinc coating: 200-600g/m2 )
2. oiled with PVC wrapped
3. varnished / painted in black or red or other color
4. Anticorrosive coating: 3PE / 3PP / FBE / Epoxy
Pipe Ends: bevelled ends, or plain ends plain ends
threaded ends, or
grooved ends, or
plain ends
Packing: outer diameter 273mm and above: piece by piece.
outer diameter 219mm and below: in hexagonal seaworthy bundles packed by steel strips.
small sizes nested into big sizes.
Trade terms: FOB/ CIF/ CFR / FCA / EXW
Payment terms: T/T or L/C
Delivery time: 15-45 days (based on quantity) after receiving advanced payment by T/T or LC .
Main market: Southeast Asia, South Asia, Middle East, Europe, Middle&South Americ, Africa and Oceania


China supplier galvanized steel seamless pipe and tube


1. Low and middle pressure fluid transportation pipeline 2. Casing Tube 3. Boiler Pipe
4. Petroleunm and natural gas industry 5. Chemistry industry 6. Electric industry
Supply range:
1. Seamless steel pipe 2. ERW steel pipe 3. Steel casing 4. Tubing
5. Hot-rolled steel pipe 6. Spiral steel pipe 7. Hot-galvanized steel pipe

Product Application

Surface:180G, 320G Satin/Hairline/400G, 600G Mirror finish
Application:Industrial air conditioning,heater,evaporator, condenser,Construction, Pharmacy, Power, boiler container,Petrochemical,car exhaust pipes,underfloor heating pipe,water pipe,oil pipe,gas pipe
Test:Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT

Detailed Images

ASTM S355 S235 Galvanized Carbon Steel Pipes Tube Square 19MM 20MM 1
Main Features Name:high pressure boiler container carbon/alloy/stainless steel tube


Packing & Delivery

Size 6000mm length packing
Weight 1 Ton-2Ton per wooden pallet

Packaging Details

The normal package is Plastic bags with each pipe,after tie in the buddle put the pipes into wooden box if the customer need. We can also packing according to the customer required.

ASTM S355 S235 Galvanized Carbon Steel Pipes Tube Square 19MM 20MM 2


Our Service

Pre-Sales Service
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.

After-Sales Service

* Quality validtiy ensure.
*Sales person 24 hours on line.




1. What are your company's main products ?
Our main products are stainless steel pipe and plate, seamless steel pipe, galvanized steel pipe,petroleum pipe, helical welded pipe, wear resistant steel plate, cold rolled/hot rolled coil steel, Angle steel, I-beam steel, H-beam steel, channel steel, etc.

2. Can I get some samples?
Yes, we glad to provide free samples for you.


3. Can we visit your factory?
Sure, we welcome you to visit our factory, check our production lines and know more about our strength and quality.


4.How can you garantee the quality?

We are factory with 100% predelivery inspection which garantee the quality. And as golden supplier on Alibaba. Alibaba assurance will make garantee, which means alibaba will pay your money back in advance if there is any problem with the products.


5. How long is your delivery time?
Generally it is 7 days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for