precision steel tube

2 sizes of stainless steel stained tubes

Seamless Precision Steel Tubes
Mateiral ST35,ST45,ST52
For Auto industry/for machinery use
OD: 6-88mm, Thickness: 1-15mm

Precision Seamless Steel Tube (20# 45#)
1: OD: 15-219mm
2: wall thickness: 1.5-25mm
3: surface roughness: Ra=0.2,0.4,0.6,0.8
4: dimision precisi

The inner angle and outer angle of square tubes are both sharp 90°;
Our raw materials are all from the largest steel factories in China and are of

Application
Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure and pneumatic services.

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

DIN2391/EN10305
Seamless precision steel tubes for Auto use; for machinery use
Carbon Steel Precision Tube Phosphated

Widely used in the following fields:
Precision instruments and parts
Medical eauipment apparatus
Electronic and electric appliance

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

seamless steel precision pipes are widely in Hydraulic system & Pneumatic cylinder system and engineering machinery etc..

Standards: GB/T3639, ASTM A519, DIN2391, EN10305-1
Steel Grade: ST35, ST37(E235), ST45(E255), ST52(E355), 1010, 1020, 1045, 4130, 4140, 20Cr(20Cr4)

Production capacity: 30000 pcs/ month
Material:Stainless steel 316 or as per client's request
Surface finished: cleaning, Natural color or others

DIN Cold Drawn High Precision Carbon Steel Tube
1.WT:0.5-9mm OD:4-80mm
2.Precision :+/-0.05mm
3.good surface(Ra<1.0um).

DIN 2391 Seamless Steel Tubes
Size(mm): O. D.: 6.0-224.0 W. T.: 1-30 L: Max 12000

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

SPEC: DIN2391,GOST9567-75,ASTM A519

OD tolerance can be controlled +/-0.03
ID tolerance can controlled +/-0.05
Cold drawn precision seamless Steel Tube

Productivity:300 metric tons/month;Min. Order:5 metric ton;Packing:Bundle;Transportation:Ship;DeliveryDate:20 days;PaymentType:T/T,L/C;Trademark:King

1. High quality and quick delivery
2. Non destructive test
3. Bright Heat Treatment
4. Standard Packing

suitable to the bending at any angle and capable of bearing high pressure.

1)DIN 2391/EN 10305 seamless steel tube
2)O.D.:6.0-325mm W.T.:1-40mm Lmax 16.5m
3)Grade:St35, St37.4, St45, St52,E235, E255,E355

DIN2391 Galvanized Steel Tube with High Precision

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

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

Material: ST 35,ST 37.4 E 235 E 355 ST 52.4 Standard: DIN 2391 EN 10305-1 DIN 1630 SAE J524
Application: Hydraulic System, Automobile, Mechanical Par

1. Quality Carbon Steel
2. Cold Drawn
3. NBK status
4. Nondestructive Testing

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

good quality and reasonable price

All the production process is made under the ISO9001:2000strictly. API certificate

1. high precision(+/-0.05mm both on OD and ID),
2. good surface(Ra<1.0um)
3. steel bar is from Baosteel.
Seamless Steel tube