Durable ERW Square Rectangular Tube Wholesale for Construction and Structural Use

• Customization: Available
• After-sales Service: 24-Hour Service
• Warranty: Permanent
• Model NO.: According to customer's requirement
• Type: Welded
• Technique: Cold Rolled,Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Oiled/Painted/Galvanized
• 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 or Rectangular
• Square Pipe Size: 20mmx20mm-500mmx500mm
• Rectangular Tube: 10mmx20mm-400mmx600mm
• Wall Thickness: 0.50mm - 20.0mm
• Length: 5.8m or 6m or Based on Customer Request
• Steel Grade: Q195b/Q235B,S235jr/S355;ASTM A500;Stk400/Stk500
• MOQ: 5 Tons for Each Size
• Delivery Time: 10-15 Days
• Painted Color: Yellow, Orange, Red, Black, Green
• Pipe Usage: Machinery Industry, Construction & Decoration
• Payment Term: Tt or 100% LC at Sight
• Trade Term: Fob,CIF,CFR,EXW
• OEM Logo: Accept
• Transport Package: in Bundle by Steel Strip
• Specification: Based On Customer's Requirement
• Trademark: Topregal
• Origin: China
• HS Code: 7306610000
• Production Capacity: 500000tons/Year

Product Description

Product Description

Commodity	Black Steel Square / Rectangular tube hollow section
Square pipe Size	20x20--500x500mm
Rectangular Pipe size	20x40--400x600mm
Wall thickness	0.5-20mm
Length	5.8m/6m  or based on your request
Standard	EN10025.EN10219,ASTM A500 and so on (the Chinese material can be Q195,Q235Q345)
Surface	Black, or Galvanized and Oiled to prevent the rust
End finish	Plain end
Usage	Steel construction, mechanical, manufacturing, construction, automobile manufacturing, shipbuilding, electricity and more
Packing	1.Big OD:in bulk 2.Small OD:packed by steel strips 3.woven cloth with 7 slats 4.according to the requirements of customers
Shipment	by bulk or load into 20ft / 40ft containers
Delivery time	Within 20days or as your request
Payment Terms	T/T or L/C at sight Terms of trade :FOB ,CFR,CIF ,DDP,EXW

Grade	Chemical Composition					Mechanical Properties
	C	Mn	Si	S	P	Yield	Tensile	Elongati
						Strength Mpa	Strenth Mpa	-on %
Q195	0.06-0.12	0.25-0.50	≤0.30	≤0.045	≤0.05	≥195	315-430	≥33
Q215	0.09-0.15	0.25-0.55	≤0.30	≤0.05	≤0.045	≥217	335-450	≥27
Q235	0.12-0.20	0.30-0.67	≤0.30	≤0.045	≤0.04	≥235	375-500	≥26
Q345	≤0.20	1.00-1.60	≤0.55	≤0.04	≤0.04	≥345	470-630	≥22

Black steel pipe
Pipe Type	Specification/mm	Thickness/mm	Specification/mm	Thickness/mm
rectangular pipe	10*20	0.5-2.0	76*38	0.8-3.0
	10*30	0.5-2.0	45*75	0.8-3.0
	20*30	0.5-3.0	100*50	1.0-5.0
	40*20	0.5-3.0	100*60	1.5-5.0
	50*20	0.6-2.0	50*25	0.6-2.0
	75*25	0.7-2.0	70*20	0.7-2.0
	40*30	1.2-3.0	100*80	1.5-5.0
	50*25	1.5-3.0	120*50	2.0-5.0
	50*30	0.7-4.0	120*60	2.0-5.0
	60*30	0.7-4.0	120*80	2.0-5.0
	70*30	0.7-2.5
	60*40	0.7-4.0	160*80	2.75-5.0
	70*50	1.5-4.0	100*150	2.75-5.0
	80*40	0.9-4.0	100*200	2.75-5.0
	80*60	1.7-5.0	200*300	2.75-14
	90*50	1.7-5.0	200*400	2.75-14
	90*60	1.5-5.0	300*400	2.75-14
	100*40	1.5-5.0	300*500	2.75-14
Square Pipe	15*15	0.5-2.0	19*19	0.5-2.0
	20*20	0.5-2.0	100*100	2.0-5.0
	24*24	0.5-2.0	125*125	3.0-5.75
	25*25	1.2-3.0	110*110	2.0-5.0
	30*30	1.2-3.0	120*120	2.0-5.0
	40*40	0.6-4.0	130*130	2.0-5.0
	50*50	0.7-4.0	140*140	2.0-5.0
	60*60	1.0-4.0	150*150	2.75-5.0
	70*70	1.7-5.0	200*200	2.75-14
	75*75	1.7-5.0	250*250	2.75-14
	80*80	1.7-5.0	300*300	2.75-14
	90*90	2.0-5.0	400*400	2.75-14

Hot Products

Company Profile

TOPREGAL(TIANIN) INDUSTRIALCO, LTD. LOCATED IN TIANIN,CHINA, WHICH IS LARGESIPORT IN THE NORTH OF CHINA. TOPREGAL HAS OVER 15 YEARS EXPORT EXPERIENCE INSTEEL FIELD, MAINLY SELL BLACK STEEL PIPE, GALVANIZED STEEL PIPE, STEEL COIL, STEEL SHEET, PRE-PAINTED & GALVANIZED STEEL COIL  AND STEEL PROFILES.

TOPREGAL (TIANJIN) INDUSTRIAL CO,LTD. AND REALTEAM INDUSTRIAL LIMITED ARE SISTER COMPANIES, PROFESSIONAL SALES TEAMS,PURCHASE TEAMS,QUAUTY CONTROL TEAMS,AND AFTER-SALES SERVICE TEAMS, TO ENSURE EVERY CLIENT HAVING SATISFIED ORDERPURCHASING EXPERIENCE.

OUR STEEL PRODUCTS ARE WIDELY EXPORTED TO SOUTHEAST ASIA ,AFRICA,SOUTH AMERICA ,MIDDLE EAST,OCEANIA,INCLUDE SOUTH KOREA, MYANMAR, PHILIPPINE,INDIA, BANGLADESH, ISRAEL, IRAQ, DEMOCRATC OF CONGO,GHANA, LIBERIA, ALGERIA,ETHIOPIA, UAE,AUSTRALIA, ECUADOR,AND ETC.

WE FEEL GRATEFUL FOR TRUST FROM OUR NEW AND OLD CLIENTS, TOPREGAL LOOKS FORWARD TO GROWING UP WITH EVERY CLIENT.

Packaging & Shipping

FAQ

A 15+ Years Professional Steel Manufacturer Verified by CE,ISO and SGS

(1) Time delivery guarantee
(2) Good quality assurance: 
--- Raw material is inspected before production
--- Production process is STRICTLY controlled by ISO quality management system.
--- MTC report is provided with the shippment.
--- Third party inspection is acceptable after production.
--- Our offical certificate of CE,ISO,SGS is available for your check.
(3)Different quantity will have different discount.
(4)  We are also "Quality Service Integrity Unit '',"Integrity Management Demonstration Unit" praised by our 
local goverment in our local markert deal.
(5) 24-hour online service will supply efficient service before sale or after sale.
(6) Support 100% refund if any quality problem that cannot be solved by us.
(7)We can provide you with samples and accept multiple payment methods,please contact us for details.