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galvanized steel tube16Mn

Packaging & Delivery:
1. Delivery: within 7-10 days or considering the quantity;
Transport: By bulk or Containers;
Supply ability: 10000 metric tons/ month;
Payment terms L/C, T/T;
2. Packing: It can pack by container or bulk vessel.
Standard export seaworthy package, it use steel belt with bundle according product's size.
We can make it as your requirement.

Email : sales08@zxjtsteel.com

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Product Description

Product Name:	galvanized steel tube
Outer Diameter:	8-600mm
Thickness:	0.5~15mm
Standard :	ASTM, BS, JIS, ASTM A513-2007, BS EN10219, JIS G3466
Steel material:	16Mn, Q195-Q345, 16Mn, Q195, Q215, Q235, Q345, SS400, ST32, ST52, ASTM A500, ASTM A36 and so on.
Technique:	ERW welded, hot rolled seamless , hot dipped galvanized, pre-galvanized
Zinc-coating:	Pre-galvanized steel tube: 30g/m2-80g/m2
Galvanized steel tube:	200g/m2-400g/m2
Usage:	Mechanical & manufacture, Steel structure,Ship building, Bridging ,Automobile chassis, construction
Supply Ability:	1500000 Ton/Tons per Year
Surface Treatment:	Galvanized, oiled, non-oiled, painted and so on.
Delivery:	15-25days after received the deposit
Packing:	1. Big OD: in bulk 2. Small OD: packed by steel strips 3.the standard of export 4. According to the requirements of customers
Payment Terms:	L/C , T/T

Chemical Composition

Standard	Grade	C	Si	Mn	P	S	Ti
For cold forming Chinese standards	DX51D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX52D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX53D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX54D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX56D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX57D+Z	0.12	0.50	0.60	0.100	0.045	0.30
For cold forming Japanese standards	SGCC	0.15	0.50	0.80	0.050	0.030	0.025
	SGCD1SGCD2	0.120.10	0.500.50	0.600.45	0.0400.030	0.0300.030	0.0250.025
	SGCD3	0.08	0.50	0.45	0.030	0.030	0.025
	SGCD4	0.06	0.50	0.45	0.030	0.030	0.025
For structural Japanese standards	SGC340	0.25	0.50	1.70	0.200	0.035	0.025
	SGC400SGC440	0.250.25	0.500.50	1.702.00	0.2000.200	0.0350.035	0.1500.150
	SGC490	0.30	0.50	2.00	0.200	0.035	0.025
	SGC510	0.30	0.50	2.50	0.200	0.035	0.025
For structural AISI standards	S220GD+Z	0.20	0.60	0.70	0.100	0.045	0.025
	S250GD+Z	0.20	0.60	0.70	0.100	0.045	0.025
	S280GD+Z	0.20	0.60	0.70	0.100	0.045	0.025
	S320GD+Z	0.20	0.60	0.70	0.100	0.045	0.025
	S350GD+Z	0.20	0.60	0.70	0.100	0.045	0.150
	S550GD+Z	0.20	0.60	0.70	0.100	0.045	0.150

Mechanical Property

Grade	Yield Strength MPa≥	Tensile Strength MPa≥	贰濒辞苍驳补迟颈辞苍&苍产蝉辫;础%≥
DX51D+Z/ZM/AZ/AM	240-380	270-500	22
DX52D+Z/ZM/AZ/AM	140-300	270-420	26
DX53D+Z/ZM/AZ/AM	140-260	270-380	30
DX54D+Z/ZM/AZ/AM	120-220	260-350	36
S220GD+Z/ZM/AM	220	300	20
S250GD+Z/ZM/AZ/AM	250	330	19
S280GD+Z/ZM/AM	280	360	18
S300GD+AZ/AM	300	380	18
S320GD+Z/ZM/AM	320	390	17
S350GD+Z/ZM/AZ/AM	350	420	16
S450GD+AZ/AM	450	480	15
S550GD+Z/ZM/AZ/AM	550	550	－

Galvanized Surface Selection

Zero Zinc Flower	Small Zinc Flower	Normal Zinc Flower	Big Zinc Flower

Usage Environment	Recommended zinc layer thickness
Indoor Use	Z10/Z12 (100g/㎡or 120g/㎡)
Suburbs	Z20 and paint(200g/㎡)
Urban or industrial area	Z27（270g/㎡) /G90 (US Standard) and painted
Coastal areas	Thicker than Z27 (270g/㎡) or G90 (US standard) and painted
Stamping or deep drawing applications	Thinner than Z27 (270g/㎡) or G90 (US standard) to avoid coating peeling after stamping

Surface Treatment Type	Code	Feature
Chromic acid treatment	C	Good corrosion resistance, suitable for exposure
Chromic acid treatment + oiling	S	Good corrosion resistance
Phosphoric acid treatment (including sealing treatment)	P	Has certain corrosion resistance and good paint performance
Phosphoric acid treatment (including sealing treatment) + oiling	Q	Has certain corrosion resistance, good paint performance, and prevents rust during transportation and storage
Phosphoric acid treatment (excluding sealing treatment)	T	Has certain corrosion resistance and good paint performance
Phosphoric acid treatment (excluding sealing treatment) + oiling	V	Has certain corrosion resistance, good paint performance, and prevents rust
Oiling	O	Prevent rust during transportation and storage
No treatment	M	Suitable for immediate painting

Material comparison

Chinese Standard	Japanese Standard	European Standard
DX51D+Z/DC51D+Z (CR)	SGCC	DX51D+Z
DX52D+Z/DC52D+Z	SGCD1	DX52D+Z
DX53D+Z/DC53D+Z/DX54D+Z/DC54D+Z	SGCD2/SGCD3	DX53D+Z/DX54D+Z
S220/250/280/320/350/550GD+Z	SGC340/400/440/490/570	S220/250/280/320/350GD+Z
DX51D+Z/DD51D+Z (HR)	SGHC	DX51D+Z

Product advantages

Factory production line

Shipping process

Cooperation factories

Customer visit

Galvanized material comparison table

Chinese Standard	Japanese Standard	European Standard
DX51D+Z/DC51D+Z (CR)	SGCC	DX51D+Z
DX52D+Z/DC52D+Z	SGCD1	DX52D+Z
DX53D+Z/DC53D+Z/DX54D+Z/DC54D+Z	SGCD2/SGCD3	DX53D+Z/DX54D+Z
S220/250/280/320/350/550GD+Z	SGC340/400/440/490/570	S220/250/280/320/350GD+Z
DX51D+Z/DD51D+Z (HR)	SGHC	DX51D+Z

此处显示产物详情

FAQ

Q:Why Choose
A:Us：1.Payment terms:???????40% +60% TT
2.Quality assurance:???We are responsible for any complains incurred from our pipe quality. No arguments,but solutions.
3.Other certificates:????API, ISO, CE.
4.Biggest Advantage:??We have invested independent raw material mill.
Which is well equipped with kinds of machines, such as laser cutting machine,mirror polishing machine and so on.
We can provide a wide range of personalized services according to the customers' needs.

Q:Are you Manufacturer or trading company?
A:We are professional manufacturer in steel industry for many years.?We can give you the factory price directly.
Q:Could you provide the samples?
A:Sure,you can contact us directly to discuss the details.

Q:What is your MQO?
A:1tons.
Q:Do you have stockist goods?
A:Yes, we have warehouse in China.You can send me the sizes you need , let me check it for you.

Message

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