China Gold Supplier for Hot Rolled/Cold Rolled Pre-Galvanized Shs Rhs Steel Pipe/Carbon Steel Ms Welded Square/Rectangular Steel Tube Mild Steel Rectangle Tube

• After-sales Service: Free
• Warranty: 1year
• Type: Welded/Seamless
• Technique: Hot Rolled/Cold Rolled
• Material: Carbon Steel
• Surface Treatment: Black/Galvanized
• Model NO.: A53, A500, Q235, Q345, S235, S355, ST37, S400
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square/Rectangular
• Shape: Square/Rectangular
• Surface: Black/Galvanized
• Process Technique: Hot Rolled
• Oiled or Non-Oiled: Slightly Oiled
• Tolerance: +/-10%
• Alloy or Not: Non-Alloy
• Processing Service: Bending, Welding, Punching, Cutting
• Weight: by Theoretical Weight
• Application: Structure Pipe
• Special Pipe: Thick Wall Pipe
• Price Term: EXW/Fca/Fob/CFR/CIF
• Payment Term: T/T or L/C
• Package: in Bundle with The Steel Strip or Waterproof
• Inspection: SGS/BV/TUV
• Delivery Time: Within 7-15 Days
• Transport Package: Standard Export Package
• Specification: 300*300, 200*200, 300*150, 300*500 etc.
• Trademark: Chicago Steel
• Origin: China
• HS Code: 73041990
• Production Capacity: 300000ton/Year

Product Description

China Gold Supplier For Hot Rolled/Cold Rolled Pre-Galvanized SHS RHS Steel Pipe/Carbon Steel MS  Welded Square/Rectangular Steel Tube Mild Steel Rectangle Tube

 

Product Description

 

This is a general structure square and rectangular low carbon welded steel tube, also known as general structure square and rectangular carbon steel tube. It is made of high quality carbon steel plate as raw material, and is processed into a square or rectangle shape by precision forging and welding technology. The surface is smooth and has good straightness and roundness. It is mainly used as structural material in building, bridge, transportation and other fields, and is a kind of energy-saving and environmental-friendly material with low cost and wide application.

General structure square and rectangular low carbon welded steel tube is a kind of high quality carbon steel pipe with square or rectangle cross section. It is mainly used as structural material in building, bridge, transportation and other fields. The raw material is high quality carbon steel plate, and the welding is perfect. The surface is smooth and has good straightness and roundness. It has good wear resistance, high strength, good formability and easy processing. It is a kind of energy-saving and environmental-friendly material with low cost and wide application.

Product Parameters

COMMODITY NAME	SQUARE AND RECTANGULAR HOLLOW SECTION PIPE/ TUBE
MATERIAL 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
STANDARD	ASTM A500 Gr.A / B/ C
PIPE SURFACE	Galvanized, black painted, or anti-rust oiled
PIPE ENDS	PLAIN ENDS
CERTIFICATES	ISO 9001 / BSI/ UL / FM
TRADE TERMS	FOB/ CFR/ CIF/ EXW/ FCA
PAYMENT TERMS	30%&70% T/T ;  100% LC AT SIGHT (others can be negotiated)
DELIVERY TIME	30-45 DAYS AFTER RECEIVE DEPOSIT OR LC
HOT SALES MARKET	Southeast Asia, South Asia, Middle East, Europe, Middle&South America, Africa and Oceania

REGULAR  SIZE
SIZE (OUTER DIAMETER)	WALL THICKNESS	LENGTH
20x20 / 25x25	1.2MM --2.75MM	6M IN STOCK (OR CUSTOMIZED)
30x30 / 20x40 / 30x40 / 25x40	1.2MM -- 3.5MM	6M IN STOCK (OR CUSTOMIZED)
40x40 / 50x50 30x50 / 25x50 / 30x60 / 40x60	1.2MM -- 4.75 MM	6M IN STOCK (OR CUSTOMIZED)
60x60 / 50x70 / 40x80 / 40x50	1.2 MM -- 5.75 MM	6M IN STOCK (OR CUSTOMIZED)
70x70 / 60x80 / 50x80 / 100x40 / 50x90	1.5MM -- 5.75 MM	6M IN STOCK (OR CUSTOMIZED)
75x75 / 80x80 / 90x90 60x100 / 50x100 / 120x60 / 100x80 / 60x90	1.5MM -- 7.75 MM	6M IN STOCK (OR CUSTOMIZED)
100x100 / 120x80	1.8MM -- 7.75 MM	6M IN STOCK (OR CUSTOMIZED)
120x120 / 130x130  180x80 / 160x80 / 100x150 / 140x80 / 140x60	2.5MM -- 10.0 MM	6M IN STOCK (OR CUSTOMIZED)
140x140 / 150x150 / 100x180 / 200x100	2.5MM -- 10.0 MM	6M IN STOCK (OR CUSTOMIZED)
160x160 / 180x180 / 200x150	3.5MM -- 11.0 MM	6M IN STOCK (OR CUSTOMIZED)
200x200 / 250x150 / 100x250	3.5MM -- 11.0 MM	6M IN STOCK (OR CUSTOMIZED)
250x250 / 250x200 / 300x150 / 300x200	4.5MM -- 15.0 MM	6M IN STOCK (OR CUSTOMIZED)
300x300 / 350x200 / 350x250 /300x150	4.5MM -- 15.0 MM	6M IN STOCK (OR CUSTOMIZED)
350x350 350x300 / 450x250 / 400x300 / 500x200	4.5MM -- 15.75 MM	6M IN STOCK (OR CUSTOMIZED)
400x400 / 280x280  450x300 / 450x200 / 400x350 / 400x250 / 500x250 / 500x300	4.5MM -- 15.75 MM	6M IN STOCK (OR CUSTOMIZED)

ASTM A53 /A106 Chemical Components and Machanical Property

Standard

Steel Grade

Chemical Components

Machanical Property

C

Mn

P

S

Cu

Ni

Cr

Mo

V

Tensile Strength (Mpa)

Yield Strength(Mpa)

Elongation (Mpa)

ASTM A53

A

≤0.25

≤0.95

≤0.05

≤0.045

≤0.40

≤0.40

≤0.40

≤0.15

≤0.08

≥330

≥205

≥29.5

B

≤0.30

≤1.20

≤0.05

≤0.045

≤0.40

≤0.40

≤0.40

≤0.15

≤0.08

≥415

≥240

≥29.5

Standard

Steel Grade

Chemical Components

Machanical Property

C

Si

Mn

P

S

Cu ,Ni

Cr

Mo

V

Tensile Strength (Mpa)

Yield Strength(Mpa)

Elongation (Mpa)

ASTM A106

B

≤0.30

≥0.10

0.29-1.06

≤0.035

≤0.035

≤0.40

≤0.40

≤0.15

≤0.08

≥415

≥240

≥30

C

≤0.35

≥0.10

0.29-1.06

≤0.035

≤0.035

≤0.40

≤0.40

≤0.15

≤0.08

≥485

≥275

≥30

Detailed Photos

 

WELDED PIPE SURFACE TREATMENT

HOT DIP GALVANIZED

ZINC COATING: 220g/m2 or customized

 

BLACK PAINTED

(RED, BLUE, GRAY OR OTHER COLORS )

 

ANTI-RUST OILED

Light oiled or Heavy oiled

 

BARE PIPES ONLY

It will cover rust more or less after long time stock

PIPE ENDS TREATMENT

 

PLAIN ENDS (regular situation)

Add plastic caps or not

 

OTHER PROCESS ALL CAN BE DISCUSS!

Product Application

CARBON WELDED STEEL PIPE USAGE

Delivery Steel Pipe: Low pressure liquid / water / gas / oil / line pipe,

Fire sprinkler steel pipe,

Structure Steel Pipe: Construction / building materials steel pipe,

Scaffolding pipe,

Solar structure component steel pipe

Fence post steel pipe

Greenhouse frame steel pipe

 

Packaging & Shipping

1. Size 200x200 mm and below In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles

2. above size 200x200 mm in pieces or according to custom opinion

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.
 

Certifications

Our Service

FAQ

Q: Minimum Order Quantity?
A: The MOQ is usually 25 tons or as per your requirement . 

Q: What kind of payment terms can you accept?
A: T/T, Cash, Western Union,L/C at sight are available. 
 
Q: Is free sample available?
A: Yes, free sample is available. The sample is free, but please afford the freight cost, and we will figure it in the order as long as we work together.For those clients who have already established business relation with us, even the freight cost will be free.
 
Q: Can you do Customization & Reproduction if I provide a photo?
A:  Yes, we do Customization & Reproduction service.
 
Q: Does the packaging safe and arrive in good conditions?
A: Yes, safe Packing guarantee , all the products will arrive your door under good conditions. 
 
Q: How long does it usually take to deliver the product?
A: We will make the shipment to you immediately. It will take about 15 to 30 days arrive worldwide. It depends on the specific quantity and destination port distance.
 

Top quality, Advantage price, Sufficient inventory, Immediate delivery, Strict inspection, High quality service!

Any questions or requirements, pls don't hesitate to contact us and we will supply you the best service at any time.