square steel tube

Min Order : 10 tons
2.Size :351mm-1200mm
3. Thickness: 7mm -- 50mm
4.Certification: ISO & API

316 stainless steel pipe
1.Standard: ASTM, JIS, DIN, EN.
2.OD: 6-530mm
3.TK:0.8-28mm
4.Length: 1m - 12m

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

Applications: Petroleum refineries/boiler/heat exchangers/condenser/pipelines/cooling tower/Gas&chemical processing/shipbuilding Industries

Stainless steel or copper fin tube coil
For Fresh water tank
For solar energy water heater

1) Thickness : 0.5-5mm
2) Technique : ERW
3) Surface treatment : Galavanized
4) Length : 6/12m
5) Secondary or not : Non-secondary

white galvanized, color galvanized (yellow galvanized). The outer wall of tube has good property for antirust and anticorrosion. Note: Length for galv

1.stainless steel tube machine production
2.Certificate CE ISO
3.Manual Injection
4.Debug before shipment

surface cleaning equipment for the steel tube
1 ISO9001,CE certificate
2 competitive price
3 OEM
4 high efficiency

1.carbon steel fin tube with crimped carbon steel fin
2.long service
3.good heat conduction
4.high efficiency
5.easy operate

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

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

Due to the composite effect of grain refinement and solid solution strengthening, making strength characteristics such as yield strength dual phase s

WELDED RECTANGULAR STEEL TUBE for airpor structure
outside diameter:10*20mm-600*400mm
wall thickness:0.5-20mm
length:6meter

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

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

430 stainless steel tube
1.Standard: ASTM, JIS, DIN, EN.
2.OD: 6-530mm
3. Process method: cold drawn/cold rolling

Processing mode: Hot-rolled or cold-drawn
Surface: Varnish coating or according to customers' demand
Ends: According to clients' required

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

Main Testing Terms and Procedure:
1. Heat Treatment and Solution Annealing / Bright Annealing
2. Cutting to required length and deburring;

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

Hot dipped galvanized steel tube
1.OD:10-273mm,WT:0.5-15mm
2.Competitive price,prompt shipment.

1. Min Order : 20 tons
2.Size :250*250-500*500mm
3. Thickness: 7mm -- 20mm
4.Certification: ISO & API

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

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

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

Maximum carbon content of 0.03 316L stainless steel, can be used for welding cannot carry out annealing and in applications requiring maximum corrosi

1.O.D:13.7MM-610MM
2.W.T:2MM-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