seamless steel

QCCO major in producing small diameter cold drawn steel pipe.We would like to offer the pipes with good quality and best price to our customer.

1.O.D:13.7MM-610MM
2.W.T:4MM-60MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L

1. high precision(+/-0.05mm )
2. good surface(Ra<1.0um)
3. No crack after flaring and flattening
E355 NBK Seamless Steel Tube

Square/Rectangular tube is applicable to frame for civil construction, furniture and etc..

1. Cold Drawn and Bright NBK
2. Black Phosphated
3. Caps covered at two ends

alloy pipes for high-temperature service to american standard astm a335 including grades like: p1, p2, p5, p9,p11,p15

1.Size:O.D.: 1/4"~14"(13.7-355mm)
2.Thickness: SCH10S~SCH.XXS (1.24MM~35MM)
3.Material:10#/20#/API5L/A106B/A53B
4.FOB Price:700-1000USD

The pipe has some excellent features such as heating resistant, aging resistant, high mechanical strength.

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

Standard: ASTM A106
Application: For high temperature service
Size(mm): O. D.: 6.0~323.0 W. T.: 1~30 L: Max 12000

SEAMLESS STEEL PIPE FOR STRUCTURE
CE Certificate,API Certificate
Grade: St55
Size:10.3mm-914.4mm
Wall thickness:2.1mm-50mm

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

Square/Rectangular tube is applicable to frame for civil construction, furniture and etc..

Cold Rolled Low Carbon Seamless Steel Pipe
1.ANSI1010, 1020, 1025
2.adopt non-oxidition heat treatment
3.short delivery time

Product:ASTM A333 Gr.1 alloy seamless steel pipe
Size:OD:1/4"-38" Wall tickness:Sch5-Sch160XXS
Standard:GB, ASTM ,JIS, DIN
Certificate:API,ISO

1.Size:O.D.: 1/4"~14"(13.7-355mm)
2.Thickness: SCH10S~SCH.XXS (1.24MM~35MM)
3.Material:10#/20#/API5L/A106B/A53B
4.FOB Price:700-1000USD

All our products are carried out hardness tests, such as ultrasonic flaw detection before shipment.

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

GB/T 9711.1 Cabon Seamless Steel Pipe
CE Certificate
Surface Treatment:Varnish or blackpainting
Grade: L450

1.Size:O.D.: 1/4"~14"(13.7-355mm)
2.Thickness: SCH10S~SCH.XXS (1.24MM~35MM)
3.Material:10#/20#/API5L/A106B/A53B
4.FOB Price:600-1200USD

Steels used for building construction in the US use standard alloys identified and specified by ASTM International.

DIN precision tube is used as the tube to be phosphated
phosphated is realized with the imported chemical fluid to form a black film
Steel Tube

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

Square/Rectangular tube is applicable to frame for civil construction, furniture and etc..

Tensile Strength: 490-630Mpa
Yield Strength: 355Mpa(min)
Elongation: 22% min
NBK Seamless Steel Pipes E355

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

Steel pipe, the plastic coated rust-proof, inner plastic film, outer linen or packed in wooden cases.

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

Outer Diameter: 1/4''-12''
Thickness: 2mm-40mm
Length: 5-12m random
Surface: black
Technique: Seamless

Square/Rectangular tube is applicable to frame for civil construction, furniture and etc..