welded steel tube

Low density, High specific strength, Excellent corrosive resistance, Rustless, Good thermal stability,
Good thermal conductivity, Biological featu

BIG DIAMETER RECTANGULAR STEEL TUBE
outside diameter:10mm*20mm-600mm*400mm
wall thickness:1-50mm
length:6-18mm

1.Made by seamless steel tube.
2.Auto Parts
3.Special design available according to requirement.

Oil, chemical electric power, boiler industry and thermostability, thermal endurance, corrosion resisting.

Tianjin Sanjuyuan Trade Co., Ltd is a famous trading company which specializes in high quality seamless steel tubes/pipes and many kinds of alloy pipe

304 is a versatility of stainless steel, it is widely used for making requires good performance ( corrosion resistance and formability ) of equipment

High accuracy(+/-0.05mm)
Excellent surface condition(Ra<=1.0um)
ASTM A519 seamless carbon 1010
NBK seamless steel tube

our company manufacture different kinds of steel pipes,,galvanized steel pipe,Rectangular Tube / Rectangular steel pipe

Specifications:
1.EN10312 Thin-wall Stainless Steel Water Pipes
2.Grade:TP304,TP304L,TP316L
3.OD:9.5-1200MM
4.WT:0.5-20MM

seamless welded lsteel pipe
line pipe for conveying gas, water, and oil
API 5L Certificate
Petroleum industry
large amount of stock

1. General service industries (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear)
2. Fluid, gas and oil transport

HOT ROLLED RECTANGULAR STEEL TUBE
outside diameter:10mm*20mm-600mm*400mm
wall thickness:0.5-20mm
length:6-18meter

Type 316 stainless steel from varieties including low carbon high strength stainless steel 316N stainless steel 316L, nitrogen and sulfur free cutting

1.ideal elongation and strength
2.suitable for bending
3.bearing all types of pressure
4.mirrorlike surface
steel tube cold drawn in oil

LDD series:
The LDD steel tube making machine have two production lines of Multi-Rollers,
provide double production efficiency than normal machines

seamless welded lsteel pipe
line pipe for conveying gas, water, and oil
API 5L Certificate
Petroleum industry
large amount of stock

1) Thickness : 2-14mm
2) OD : 10-426mm
3) Technique : Cold rolled
4) Special pipe : API pipe
5) Certification : ISO9001:2008

Standard :ASTM A270\ DIN11850\ ISO2037
ASTM A 270 Specification for Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tube.

Our company is specialized in making three kinds of stainless steel pipe, which are fluid pipes, boiler pipes and mirror pipes.

316 and 317 stainless steel containing aluminium, so the oceans and the chemical industry corrosion resistance in the environment has been considerab

seamless steel tube for liquid delivery
non-oxidation heat treatment
surface is smooth, no scales, light oiled
BV SGS approval

LDD series:
The LDD steel tube making mill have two production lines of Multi-Rollers,
provide double production efficiency than normal machines

1.O.D:114MM-610MM
2.W.T:4MM-40MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L GR.B

seamless welded lsteel pipe
line pipe for conveying gas, water, and oil
API 5L Certificate
Petroleum industry
large amount of stock

1) Thickness :3-50mm
2) OD ; 13-1210mm
3) Application: Structure pipe
4) Special pipe : API pipe
5) Certification : ISO9001:2000

Standard: ASTM A312, ASME SA312
Type: Round, Square, Rectangle, Hydraulic, Honed Tubes
End: Plain End, Beveled End, Threaded

In the main chemical components in steel or steel classified some of the feature element, classified into chromium stainless steel, chromium - nickel

The Roundness is very accurate;
The inner angle and outer angle of square tubes are both sharp 90°;
Our raw materials are all from the largest ste

1. high precision(+/-0.05mm both on OD and ID),
2. good surface(Ra<1.0um)
3. No crack after flaring and flattening Steel Tube

Standard: ASTM A210(ASME SA210)
Application: For manufacturing wall panel, economizer, superheater and steam pipeline of boilers