High Quality Inner Surface 0.4 Um Stainless Steel Precision Seamless Tubes

• Type: Stainless Steel Precision Tube
• Standard: ASTM, AISI, GB, DIN, EN
• Grade: 300 Series
• Certification: ISO
• Shape: Round
• Technique: Cold Rolled
• Model NO.: TP 304, 304L, 316, 316L
• Surface Treatment: Bright
• Od Sizes: 3 Mm to 65 Mm
• Transport Package: Wooden Cases
• Specification: OD range 3 mm up to 65 mm
• Trademark: TONGJI ENGINEERING
• Origin: China
• HS Code: 7307419000
• Production Capacity: 40 Tons/ Month

Product Description

Stainless Steel Precision Tube

Specification: ASTM A213, A269, A511, A312, A270
Grades: TP304, 304L, 316, 316L, 317L, 310S, 321, 347, S30813

Excellent Dimensional Accuracy and consistency In OD,
OD range OD 3 mm up to 65 mm
WT range: 0.2mm up to 4 mm
Tough tolerance in Dimension for customers critical needs

Finish Condition: Bright Annealed, Polishing, Mirror.
Inner Surface Roughness control Ra 0.4 Max at any point along full length, Min Ra 0.15 um.

Excellent Straightness meets customers critical needs.
Application: Medical Treatment, Pneumatic Cylinders, Automotive & Heating, Textile spinning flyers, Electronical components, Medical instruments.

Commodity	Stainless Steel  Precision Tube
Process method	Cold drawn/ Cold rolled/ Welded
Materials Grades	304,304L, 321, 312, 316, 316L, 309S,310S, 317/317L 347H,904L etc & Duplex Steel S31803, S32205
Standards:	ASTM A249, ASTM A269,ASTM A312 , ASTM A789/ A790, ASTM A511 or Closer
Surface Finished	Clean ,Mechanical Polish both inside and outside or as required
Polish Grades	180 - 800 grit
Roughness	Ra 0.15~ 0.4 max, depending on the size.
Pressure	Normal to 60Mpa max. Special technical parameter in detail
Inspection Testing	100% Ultrasonic Test, 100%Eddy Current Test, 100%Hydraulic Test,  100% X-Ray Test to welded pipe or as required.
	Mechanical Test, Hardness Test, Inter-granular corrosion Test.
Certificate	EN 1024 3.1/ 3.1B/ 3.2, PED, DNV, TUV.
Packing	Wooden case/ Steel framed plywood case/ simple packing.
Delivery Time	By mutual agreement.