precision seamless steel tubes

Tensile Strength: 490-630Mpa
Yield Strength: 355Mpa(min)
Elongation: 22% min
E355 N Phosphated Seamless Tube

Standard: DIN1630
Size(mm): O. D.: 6.0~219.0 W. T.: 1~30 L: Max 12000
General mechanical engineering purposes

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

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

Low temperature alloy seamless pipe
-100℃ impact test
Length:5m- 5.8m, 6m- 12m, 5.8m, 6m,12m

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

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

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

Standard: ASTM A519 4130
Size(mm): O. D.: 6.0~108.0 W. T.: 1~12 L: Max 9000

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

GB9948-88 hollow section round seamless steel tube tube wholesale alibaba
1.OD:13.7-610MM
2.WT:2.34-30MM
3.CERTIFICATE:API;ISO

Applications range: for use in the petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat exchanger

ASTM A213(ASME SA213)
For manufacturing wall panel, economizer, superheater and steam pipeline of boilers

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

Cold drawn precision seamless tubes for mechanical and general engineering applications
Available in various steel grades, according to EN 10305-1

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

All our products are carried out hardness tests, such as ultrasonic flaw detection before shipment. Therefore, there is no quality problem.

ASTM/ AISI/ SAE 4130 (30CrMo)
Size(mm): O. D.: 6.0~76.0 W. T.: 1~12 L: Max 9000

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.

Standard: GB 5310
Material: 12Cr1Mo1VG,20G,12CrMoG,15CrMoG,etc.
OD:8-256mm
Thickness: 1-35mm

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

ASTM A333 Gr.6 low temperature alloy seamless pipe
Exported to Europe,South America,North America, India and so on

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

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

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

Seamless: EN 10305-1
Welded: EN 10305-2
OD Tolerance: ±0.08mm, Thickness: ±10%

Size Range:OD:1/2"-36"(21.3mm-914.4mm), wall Thickness:2mm-60mm
Good quality and short delivery time.

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