seamless alloy steel tubes

ASTM A335 standard is a alloy seamless standard.

ASTM/ AISI/ SAE 4140 (42CrMo)
Size(mm): O. D.: 6.0~76.0 W. T.: 1~12 L: Max 9000

API 5L /ASTM A53 STEEL PIPE
ERW PIPE OD:60.32-609.6MM
ERW PIPE WT:4-16MM
ERW PIPE LENGTH:3-18M

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

Standard BS, JIS, GB, DIN, ASTM, API
Technique Cold Drawn
Certification API
Surface Treatment Copper Coated
Outer Diameter 17 - 610 mm

OD6+/-0.05mm
ID1.6+/-0.05mm
used for high pressure diesel engines
Seamless Cold Drawn Steel Tube St30Al

seamless ferritic alloy tubes according to ASTM A213

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

DIN 1629 is a standard of structure tube
ST37 is a material for DIN 1629
Brand :QCCO
QCCO is the manufacturer of carbon seamless pipe

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

API 5L X42 PSL1 carbon seamless pipe is a common material in the line of steel pipe. we have exported to many coutries.

Seamless Cold Drawn High Pressure Steel Tubes for Hydraulic and Pneumatic Applications
BA Precision tubes NBK

ASTM A335 P11 is the standard and material for alloy seamless pipe .and this pipe will be inspected by third party,such as BV,SGS and Moody if EXW

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

OD Tolerance +/-0.03mm
No crack after flaring and flattening
Max Working Pressure up to200Mpa
Seamless Steel Tube for CNG automotive applicatio

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

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

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

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

Round Cold Drawn Seamless Hydraulic Steel Tube
1. in full compliance with the EN 10305-4
2. Typical lengths available are 6m

Amplification Degree Assay: Outside Diameter 1.2 Times
Bend Angle:180 degree
Inside Radiu:Tube Outside Diameter 4 Times
OST-2 Steel Seamless Tube

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

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

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.

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

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

all tube are subjected to a non-destructive leak test and marked
Steel Seamless Cold Drawn Tube Phosphate and Oil Dipped for Corrosion Resistance

all tube are subjected to a non-destructive leak test and marked
Steel Seamless Cold Drawn Tube Zinc Chromium 6 free Plating for Corrosion Resistance

1.seamless hydraulic tubes
2.WT:0.5-9mm OD:4-80mm
3.Precision :+/-0.05mm
4.good surface(Ra<1.0um).