





Precise Cold Rolled Seamless Steel Pipe
OD:3mm ~90mm
Wall thickness: 0.5mm ~8mm
Tolerance: +/-0.1mm
Technique: Cold drawing/Cold rolling
Standard: : ASTM A519 DIN2391 SAE J524 SAE J524 EN10305-4 GB/T3639
Steel material: E355 E235 10# 20# Q355B, etc
Delivery state: BK, BKW, NBK, GBK, BKS
Usage: widely used for mechanical processing, Automobile industry, hydraulic equipments
Advantages of our high precision seamless steel pipe:
1. Smaller caliber
2. Accept small qty order
3. Good surface treatment
4. The pipe with superior performance, suitable for mechanical making
Delivery Condition:
Cold drawn/hard (+C) (BK)
Cold drawn/soft (+LC) (BKW)
Cold drawn and stress relieved (+SR) (BKS)
Annealed (+A) (GBK)
Normalized (+N) (NBK)
Quenched and Tempered (QT)
Hydraulic/Automobile Pipe
Machinery Industry


Since established in 2007, Sheng Ding Yuan makes every effort to get much more development, now owns series products, such as Cold Drawn High Precision Seamless Steel Tube, Hydraulic System Brightness Fuel Tube, Diesel Engine Common-Rail High Pressure Fuel Tube, Black Phosphated Hydraulic Tube, High Pressure Seamless Square Tube, which widely used in industry equipment, hydraulic system, cars, ships, diesel engine high pressure common-rail system, engineering machinery, fabric equipments, heat exchanger, chemical machinery, and some other businesses, and now annual output up to over 8000 tons.
