Square Tube Casing Construction

Basic Info

Model NO.	carbon steel pipe
Outer Diameter	20 - 650 mm
Processing Service	Welding, Punching, Cutting
Invoicing	by Theoretical Weight
Length	1m-12m or Customized
Thickness	0.3-100mm or as Required
Delivery Time	8-14 Days
Surface	Black Painted or Others
Steel Grade	45#, Q235, Q345, Q195, 10#-45#, Q195-Q345
Secondary or Not	Non-Secondary
Certification	API, CE, Bsi, RoHS, SNI, Bis, Saso, Pvoc, Soncap,
Transport Package	Standard Packing
Specification	Standard Or Customized
Trademark	Hanhuang
Origin	Jiangsu
Production Capacity	5000t/Month

Product Description

Hanhuang Steel is group company in the steel manufacture & Trading, founded in the 2000s, 800+ staff, 25, 000+ m2 non-dust workshop, 40+ great large mills and cooperation partners in China, 4000, 000+ MT production per year under ISO management, 40, 000+customers in domestic and overseas market, 10 billion USD of annual turnover, 15+ subsidiary companies all over China, ranking the Top 100 private enterprises in China, 1 hour reach Shanghai/Tianjin /Guangzhou Port, we keep high quality, competitive price, thousands tons of stock, most efficient delivery and reliable cooperation for global valued customers. We have been engaging industry steel for over 20 years, best service and the most competitive price is one of our greatest advantages that make us today!

Product Name	Cold/Hot Rolled Steel Pipe And Tube
Wall Thickness	0.3mm-100mm
Length	1m-12m
Outer diameter	20mm-650mm
Tolerance	Wall Thickness:±0.05MM Length:±6mm Outer Diameter:±0.3MM
Shape	Round, Square, Rectangle, Oval, Deformed
Material	Q195-Q345, 10# ,20#,45#,195-Q345, Gr.B-Gr.50, S235JR, SS400, SPHC, BS-040A10 ,16mn, 40cr, 42crmo, 27simn, 12cr1mov, 15crmo, Gcr15, 25mn2
Technique	Cold rolled, Hot Rolled
Standard	ASTM, DIN, JIS, BS
Certificate	ISO, CE, BV
Delivery times	Delivered within 7-15 days after receipt of deposit
Package	1. Packed with 8 bundles tightened with metal belt and plastic wrapped if need2. According to customer's requirement
Application	Widely used in furniture,interior decoration, fluid pipeline, petroleum and natural gas industry, drilling, pipeline, structure

Tolerances
Pipe types	Pipe sizes(mm)	Tolerances
Hot rolled	OD<50	±0.50mm
	OD≥50	±1%
	WT<4	±12.5%
	WT 4~20	+15%, -12.5%
	WT>20	±12.5%
Cold drawn	OD 6~10	±0.20mm
	OD 10~30	±0.40mm
	OD 30~50	±0.45
	OD>50	±1%
	WT≤1	±0.15mm
	WT 1~3	+15%, -10%
	WT >3	+12.5%, -10%

Chemical Composition
Material	C%	Mn%	S%	P%	Si%
Q195	0.06-0.12	0.25-0.50	<0.050	<0.045	<0.30
Q215	0.09-0.15	0.25-0.55	<0.050	<0.045	<0.30
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.30
Q345	<0.20	1.0-1.6	<0.040	<0.040	<0.55
Mechanical Property
Material	Yield Point(Mpa)		Tensile Strength(Mpa)		Elongation(%)
Q195	>195		315-430		32-33
Q215	>215		335-450		26-31
Q235	>235		375-500		24-26
Q345	>345		470-630		21-22

We are proud to work closely with industry and academic partners to continually improve our products and services, as a result, we have patented products designed to save you time and money.We operate within the scope of ISO 9001:2015 ,ce,accredited management system and the raw materials are procured from suppliers in compliance with ASTM, BS EN and DIN standards.Our products are rigorously inspected to ensure they are within tolerance of our customer's specifications, we work with accredited laboratories for specialised material testing and chemical analysis.In addition, we use x-ray fluorescence technology to meet our high inspection standards and to ensure that our customers get the best quality products.