Ultra High Purity

uhp seamless welded

UHP Seamless & WeldedUltra high purity for semiconductor, microelectronics applications.

Item

  • Stainless Steel Tubes & Fittings

Applicable Specifications

  • ASTM A249, A269, A632, ASME SA249, SA269
  • ASTM A213, ASME SA213
  • JIS G3459

Typical Materials

  • 316/L single melt, EN1.4404, 316/L double melt (optional)
  • * Other materials available upon request

Finish

  • EP ID 0.25μm max, OD Mechanically Polished 0.80μm
  • BA ID 0.38μm max, OD Mechanically Polished 0.80μm
  • BA.AC (Anodic Cleaned) ID 0.38μm max, OD Mechanically Polished 0.80μm

Dimension

  • Imperial Sizes : OD .125” – 6”
  • A Sizes : OD 15A – 600A

Technical Requirements

  • Precision cleaned with warm ultra pure supersonic immerse & inner cleaning
  • N2 purged with heated and filtered nitrogen (gas purity 99.9998%)
  • Cleaned, purged and packaged in clean room Class 100
  • Individually End-capped, Double PE Sleeved, Wooden Box Packaging
  • Particle & Oil Residue Tested
  • Intergranular Corrosion Tested acc. to ASTM A 262 Practice E (optional)
uhp coaxial

UHP COAXIALUltra High Purity for special gas handling applications

Item

  • Stainless Steel Coaxial Tubes & Fittings

Applicable Specifications

  • ASTM A213, A269, A632, JIS G3459

Typical Materials

Inner Process Tube

  • 316/L single melt – seam type : seamless
  • 316/L double melt (optional)

Outer Containment Tube

  • 304 – seam type : welded
  • 304, 304/L, 316/L: seam type – seamless (optional)

Finish

EP | Inner Process Tube

  • ID 0.25μm max or 10 Ra max

BA | Outer Containment Tube

  • ID Bright Annealed, OD Mechanically Polished 0.80μm

Dimension

Imperial Sizes

  • .250” x .500”.375” x .625”.500” x .750”
  • .750” x 1.00”1.00” x 1.25”1.00” x 1.50”
  • 1.50” x 2.00”2.00” x 2.50”

Length

  • 4m
  • 6m

Technical Requirements

  • Precision cleaned with warm ultra pure supersonic immerse & inner cleaning
  • N2 purged with heated and filtered nitrogen (gas purity 99.9998%)
  • Cleaned, purged and packaged in clean room Class 100
  • Individually End- capped, Double PE Sleeved, Wooden Box Packaging
  • Particle & Oil Residue Tested
  • Outer Containment Tube – Helium – leak Tested (optional)
  • Intergranular Corrosion Tested acc. to ASTM A262 Practice E (optional)
asme bpe

ASME BPEFor Pharmaceutical Applications

Item

  • Stainless Steel Tubes & Fittings

Applicable Specifications

  • ASME SA249, ASTM A269, A270-S2, ASME BPE

Typical Materials

  • TP316L, EN1.4404, EN1.4435 restricted sulfur (0.005 – 0.015%)

Finish

SurfaceIDODPolish MethodPolish Method
FinishRa
(µ-inch/µm)
Ra
(µ-inch/µm)
IDOD
SF0BA/BABA/BAUnpolishedUnpolished
SF120/0.5032/0.8Mechanically PolishedMechanically Polished
SF225/0.6332/0.8Mechanically PolishedMechanically Polished
SF330/0.7632/0.8Mechanically PolishedMechanically Polished
SF415/0.3832/0.8Electro-polishedMechanically Polished
SF520/0.5032/0.8Electro-polishedMechanically Polished
SF625/0.6332/0.9Electro-polishedMechanically Polished

Dimension

  • Imperial Sizes: OD 1/4” – 6”

Finish

SurfaceIDODPolish MethodPolish Method
FinishRa
(µ-inch/µm)
Ra
(µ-inch/µm)
IDOD
SF0BA/BABA/BAUnpolishedUnpolished
SF120/0.5032/0.8Mechanically PolishedMechanically Polished
SF225/0.6332/0.8Mechanically PolishedMechanically Polished
SF330/0.7632/0.8Mechanically PolishedMechanically Polished
SF415/0.3832/0.8Electro-polishedMechanically Polished
SF520/0.5032/0.8Electro-polishedMechanically Polished
SF625/0.6332/0.9Electro-polishedMechanically Polished

Technical Requirements

  • Intergranular Corrosion Tested acc. to ASTM A270 S1
  • Weld Decay Test acc. to ASTM A249 S7
  • Meets minimum surface requirements (Cr/Fe Ratio. Depth Acc. H-3.3-1)
  • Thermocouple Cleaned according to ASTM A632 / S3
  • CFOS cleaning according to CGA G-4.1 and ASTM G 93-03 (optional)
uhp coaxial

3A, KSFor Food and Beverage, Hygienic Applications

Item

  • Stainless Steel Tube

Applicable Specifications

  • ASTM A270, KS D 3585

Typical Materials

  • 304, 304/L, 316/L

Finish

SurfaceIDODPolish MethodPolish Method
FinishRa
(µ-inch/µm)
Ra
(µ-inch/µm)
IDOD
BABA/BABA/BAUnpolishedUnpolished
BAPBA/BA32/0.8UnpolishedMechanically Polished
PBA20/0.5BA/BAMechanically PolishedUnpolished
MP25/0.532/0.8Mechanically PolishedMechanically Polished

Dimension

  • Imperial Sizes : OD 1/4” – 6”
  • A Sizes : 15A – 150A

Technical Requirements

  • Thermocouple Cleaned according to ASTM A632/S3 (optional)
  • Intergranular Corrosion Tested acc. to ASTM A270 S1