seamless precision tube

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

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

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

St35 NBK material Precision Cold Drawn Seamless Tube
1.for automobile industry
2.made in china
3.100% Test
4.min. size 3*0.5

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

Production Process: Cold rolling by Cold pilger machine and Cold rolling machine, Bright annealing is applied on the steel tubes

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

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

SPEC: DIN2391,GOST9567-75,ASTM A519

DIN2391/EN10305-4
Steel Grade: E235(ST37.4)\E355(ST52) .
OD: 4mm-65mm WT: 0.5mm-6.0mm
+C(BK); +LC(BKW); +SR/BKS; +A/GBK; +N/NBK

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

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

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

1. OD3mm WT0.5mm, Length 4m
2. for automobiles
3. MOQ: 300kgs
Carbon Steel Precision Cold Drawn Seamless Tube

black phosphated steel tubes
O.D: 4mm-80mm
W.T: 0.5mm-8mm
Standard:JIS,GB,BS,ASTM,DIN
Certifacation:ISO9001:2000.

Standard: DIN2391
Steel grade: St35, St37.4, St52
Size: OD4-220mm, WT0.5-20mm, Length12000mm Max.
Condition: BK, BKW, BKS, NBK, GBK

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

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.

Technology introduction: raw material SS BAR are from Yongxing Special Steel and Shanghai Baosteel.
Process: piercing, cold rolling, cold drawing, br

DIN2391 part 2 , DIN EN10305-1, DIN17175 etc;
ST35,ST45,ST52.
Delivery condition: BK,BKS,SR,GBK,NBK
Precision cold drawn seamless steel tube

Used in hydraulic system,nested card connector(pipe joints) with matching.

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

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

Precision Alloy Square Tube

 
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