Building Material Q195/Q235 ERW Welded Pre Galvanized Square Structure Steel Pipe/Tube

  • Model NO.: Sanfeng-3
  • Technique: Hot Rolled
  • Surface Treatment: Polished
  • Section Shape: Square
  • Standard: ASTM, AISI, GB, JIS, DIN, En
  • Technique-1: Cold Rolled/ Hot Rolled
  • Trademark-1: Sanfeng
  • Length: 4m, 5.8m,6m or as Required
  • Origin-1: Zhejiang  China
  • Transport Package: Wooden Case
  • Origin: China
  • Type: Welded
  • Material: Stainless Steel
  • Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose
  • Model No:  304 ,316L.etc
  • Certification: ISO, RoHS, Ibr, AISI, ASTM, GB, En, DIN, JIS
  • Thickness: 1.0-6.0mm
  • Specification-1: AISI, ASTM, JIS, En, GB, Ks, DIN
  • Transport Package-1: Standard Sea-Worthy Packing
  • Trademark: Sanfeng
  • Specification: 10MM-377MM
  • HS Code: 73044190

Building material Q195/Q235 erw welded pre galvanized square structure steel pipe/tube



Product Description:


1.100% Raw material;
2.We offer competitive price with best service;
3.We can provide stainless steel processing services;
4.We have win high reputation based on best quality products;
5.Stainless steel tube are widely used in petroleum, chemical, medical, food,
light industry, machinery, instruments and other industrial pipes and mechanical parts etc.


Wenzhou Sanfeng Pipe Industry Co.,Ltd, has win high reputation based on best quality products,are manufactured strictly according to standard ASTM A249-84b, ASTM A269-90A, ASTM A270, ASTM A312, ASTM A688 etc. Top grade quality such as 201, 202, 304, 304L, 316 and 316L are always available in large stock for promptly delivery. It's thickness range from 1.0 to 6.0 mm depend on diverse applications. The dimensions of circle, square, rectangular tube also can be customized. We offer competitive price and processing with best services. Stainless steel tube are widely used in petroleum, chemical, medical, food,light industry, machinery, instruments and other industrial pipes and mechanical parts etc.



For the stainless steel tube, it contains seamless tube and welded tube.

For the shape of the tube, it contains round tube, square tube and rectangular tube.

Stainless steel round tube/pipe

1. Material:  304, 304L, 316, 316L, etc.

2. Round Size: 6MM-1000MM

3. Wall Thickness: 1.0mm - 6.0mm

4. Type: ERW / WELDED

5. Length: 4 to12 MTR

6. Surface: Picking, Polished, 600G, 400G, 320G, 240G, 180G, etc.

Stainless Steel Square tube/pipe

1. Material:  304, 304L, 316, 316L etc.

2. Square Size: 10x10 ---150x150 MM

3. Wall Thickness: 1.0mm - 6.0mm

4. Type: ERW / WELDED / SEAMLESS

5. Length: 4 to 12 MTR

6. Surface: Picking, Polished, 600G, 400G, 320G, 240G, 180G, etc.

Stainless Steel Rectangular tube/pipe

1. Material:  304, 304L, 316, 316L,etc.

2. Square Size: 10x20 ---100x150 MM

3. Wall Thickness: 1.0mm - 6.0mm

4. Type: ERW / WELDED / SEAMLESS

5. Length: 4 to 12 MTR

6. Surface: Picking, Polished, 600G, 400G, 320G, 240G, 180G, etc.



AQ 
Q:Are you a factory ?
A:We are a factory setted up more than 12years and export more than 5 years

Q: Do you have certification?
A:We have obtained ISO9001:2008, TUV ,SGS

Q:What is your lead time?
A:7-30days,In fact the delivery time will depend on specific sizes and quantity.


Q:Could you send a quotation ?
A:Sure, in order to give you the right quotation, we need your information as follows:
1. Raw material grade 
2. Product specification 
3.Your special requirement about material or product
4. Better show us your product picture

Q:Can you send me a sample?
A:yes,and the sample also is free

Q: What about the after-sales service ?
A:Free of charge for one year warranty , if have any problem with product quality, we will check and change the production at the first time.

Q:What about the shipping package?
A:Standard packing or as customers require




 
Name Stainless Steel pipe
Standard ASTM A554, A249, A269 and A270, A312
Material Grade 201 ( Ni 1.2%),
202 (Ni 3.5%~4.5%),
301(Ni 5%)
304 (Ni 8%, Cr 18%),
316 (Ni 10%, Cr 18%),
316L (Ni10%~14%),
430
 
Tolerance
a) Outer Diameter:  +/- 0.2mm
b) Thickness: +/- 0.02mm
c) Length: +/- 5mm
Application Decoration construction, upholstery, industry instrument
Test Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
 
 
 
 
Chemical Composition of Material
  Material
 
Composition
201 202 304 316 430
C ≤0.15 ≤0.15 ≤0.08 ≤0.08 ≤0.12
Si ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00
Mn 5.5-7.5 7.5-10 ≤2.00 ≤2.00 ≤1.00
P ≤0.06 ≤0.06 ≤0.045 ≤0.045 ≤0.040
S ≤0.03 ≤0.03 ≤0.030 ≤0.030 ≤0.030
Cr 16-18 17-19 18-20 16-18 16-18
N 3.5-5.5 4-6 8-10.5 10-14  
Mo       2.0-3.0  
 
Mechanical Property
Material Item     201 202 304 316
Tensile Strength ≥535 ≥520 ≥520 ≥520
Yield Strength ≥245 ≥205 ≥205 ≥205
Extension ≥30% ≥30% ≥35% ≥35%
Hardness (HV) <253 <253 <200 <200


Producing step:


Building Material Q195/Q235 ERW Welded Pre Galvanized Square Structure Steel Pipe/Tube


Our machines:

Building Material Q195/Q235 ERW Welded Pre Galvanized Square Structure Steel Pipe/Tube

Sanfeng Stock:

Building Material Q195/Q235 ERW Welded Pre Galvanized Square Structure Steel Pipe/Tube

Our advantage process

(1)Internal Leveling
Leveling within is the use of specialized equipment in the flattened seam weld on a pressurized 
multipass rolling,eventually leveling welding, inner and outer surface smooth weld without  delamination.

(2).Annealing Oline
stainless steel tubing from 1040-1080degree celsius and annealing foe processing gas shield to
  eliminate the pipe stress, reduce the hardness of the pipe, the surface brightness enhancement 
 purposes.

(3).Quasi-plasma Welding
It can be different grits, polished inside and outside different surface treatments.

(4).Polished Inside and Outside 
It can be different grits, polished inside and outside different surface treatments.



CONTACT INFORMATION:
Warmly welcome to contact me in 24 hours ,information as follows:
Wenzhou Sanfeng Pipe Industry Co.,Ltd
Add: 3rd Avenue 14th Road,Binhai Economic development Zone, Wenzhou,Zhejiang province, China


Miss Annie     Mobile: 86-13676760922


 

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