Specifications DOCKWEILER BPE

TP316L, the chemical compositions in accordance to Table DT-3
ASME BPE

Chemical Composition in weights%

C max. 0.035 Ni = 10.00 – 15.00
Cr = 16.00 – 18.00 P max. 0.045
Mn max. 2.00 Si max 1.0
Mo = 2.00 – 3.00 S = 0.005 – 0.017
further materials on request

Lagerabmessungen:

1/4“ x 0.035 (6.35 x 0.89 mm) to 6” x 0.109 (152.40 x 2.77 mm)

Tubes:
According to ASTM A 269 / A 270, DIN EN 10217-7 / DIN EN 10216-5
Length:
5900 - 6090 mm (max. 10% short lengths possible)
Fittings:

• Tube components: Prematerial according to ASTM A 269 / A 270, DIN EN 10217-7 / 10216-5
• Machined components: Prematerial according to ASTM A 479, DIN EN 10088-3, DIN 17440

Tolerances:
According to ASTM A 269 / A 270 (pharmaceutical tubes) or DIN EN ISO 1127 - D4/T3
Ends:
Tubes and fittings are prepared for orbital welding

Tubes: According to ASTM A269 and A270, S2 and DIN EN ISO 1127/ D4/T3
Fittings: According to ASME BPE, section DT

inner surface: As per ASME BPE, section SF, Table SF3

Tubes and fittings:

mechanically polished: Ra max: SF1 20 μin, 0.51 μm
mechanically polished and electropolished: Ra max: SF4 15 μin, 0.38 μm
Outer surface: Tubes and Fittings Ra ≤ 0.80 μm (32 μin)

• Tubes: Electropolishing procedure Spec. HE 175 4VN
• Fittings: Electropolishing procedure Spec. HE 111 4VN

• Verification of basic test certificate
• Verification of dimensions
• Visual control
• Roughness measurements
• Endoscopic inspection of bright finished tubes

• Dockweiler
• ASME BPE
• Surface symbol as per ASME BPE, section SF
• Dockweiler no. (batch no.)
• Heat number
• Material type
• Dimension

Ends are closed with white/transparent PE caps. Tubes and fittings are individually sleeved and sealed in PE, marked with a white sticker „Dockweiler BPE“, electropolished parts are closed with yellow caps and marked with white sticker „Dockweiler BPE” and yellow “ep”-sticker.

Delivery of tubes in tubular container or wooden crate, of fittings in strong cardboard box or wooden crate with shock absorbing filler.