steel tubes

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

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

This machine is a kind of new-type cylinder inside wall air blast machine newly developed by technicians of our company according to customers' requi

Type: Cold-draw Round Pipe,Hot-Rolly Round Pipe,stainless steel pipe,seamless carbon steel pipe, finned tube

Our products have passed API 5CT and API 5L certificate of authority and TUV certificate of German. They also passed GB/T19001-2000 national quality c

Stainless steel ( Stainless Steel ) refers to air, steam, water and other low corrosion resistance medium and acid, alkali, salt, chemical leaching

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

Flattening Test
Hydrostatic Test or Eddy Current Test or Ultrasonic test
Surface Quality
Grain Size Analysis
Flanging Test...

Specifications1.Payment:T/T, L/C
2.mini order: 25 ton
3.FOB price: 700 USD/Ton to 890 USD/TON
4.Meterial: Q195 Q215 Q235 Q345

Size range: O.D.:6-168mm W.T.:1-15mm L:max12000mm
Seamless Medium-Carbon Steel Boiler and Superheater Tubes
Applications: for Boilers

1: Seamless Stainless steel pipes
2: Outer diameter: 8mm to 2540mm
3: Wall thickness: 0.5mm to 30mm
4:Process: Cold rolled

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

Material: ST37.4,ST44.4,ST52.4 Standard: DIN1630
Outer Diameter: 4 To 60mm Surface Treatment: Galvanized

Our sizes from 6mm*0.89mm to 323.8mm*25.4mm with grades: 304/304L, 321, 316/316L/316Ti, 347/347H and 310S etc

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

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

Standard: DIN 2391/EN 10305-1 Seamless Steel pipe
Size(mm): O. D.: 6.0-224.0 W. T.: 1-30 L: Max 12000

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

1.seamless carbon steel tube
2.WT:0.5-9mm OD:4-80mm
3.Precision (+/-0.05mm On OD and ID)
4.Suface (Ra<1.0um)

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

Square Steel Tube with 0.5 to 25mm Thickness and ERW Technique

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

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

We strive to be the best in our industry.
We care about our customers, our suppliers and partners.
We do our absolute best to honor our commitments.

Specifications1.Payment:T/T, L/C
2.mini order: 25 ton
3.FOB price: 700 USD/Ton to 890 USD/TON
4.Meterial: Q195 Q215 Q235 Q345

Seamless and welded Rectangle steel tubes

1.Material:10#/20#,GB3087/GB5310,A106B.A53B,
2.OD:1/4"-14"
3.WT:SCH40-SCH160
4.API5L,API5CT

AISI4130 alloy steel tube
1). O.D. 21.3-508mm
2). W.T.1.65-50mm
3). factory sell,low price
4). MOQ:5 tons