Seamless Coil Tube
(BA Tube)

Material: TP 304/304L, 316/316L, 321, 316L with Min 2.5 Mo, T91, 800, 600, etc.
Tube delivery condition: bright annealing (BA)
Tube type: seamless, no welds of any kind
Coil Lengths: max 90 kg per coil tube, for example 6×1 size, max length is 700m
Note: the price higher follow with the longer length
Standard: ASTM A269, EN10216-5
O.D. from 6 to 25.4mm
W.T. from 0.71 to 2.11mm
Chemical composition:
in accordance with DIN EN 10216-5 respectively ASTM A269

Mechanical and technical properties:
in accordance to DIN EN 10216-5 respectively ASTM A269
Soft annealed max. Hardness 150 HV10 Tolerance +10 points
Model type and surface integrity:
in accordance with 10216-5, ASTM 269
Surface roughness Ra < 0.5 μm
Cleanliness of the tubes:
bore cleanliness in accordance to DIN 8905. The coils shall be dry, clean and free from swarf, drawn and roller marks.
Pressure Test:
100% tested at the appropriate pressure stated under water.
All coils must be flushed and dried after pressure testing to avoid contamination.

Tolerance:
D4/T4, Diameter of ball for ball bearing check.
PMI TEST 100% GOOD.
ELONGATION IN 50MM LONGITUDINAL.
HEAT TREATMENT 1050℃ FOR 5MIN (W.Q.)
MEASUREMENTS & SURFACE: GOOD.
IC ASTM A-262 PRACTICE E.NACE MR0175-MR0103.
FLARING TESTING AS ASS. TO ASTM A1016.
FLATTENING TESTING IS ACC. TO ASTM A1016.
100% HYDROSTATIC TEST AS PER A1016/A1016M.
MARKING SAMPLE: JW STEEL, TP316/316L, seamless, Bright Annealed, ASTM A269, OD3/8” X WT0.035” HEAT NO.160326T02.
MATERIAL ACC TO ASME SECTION II PART A 2010 EDIT.
CERT TO EN 10204 3.1 IN ACCORDANCE WITH PED ANNEX 1.PARAGRAPH 4.3.

Packages

A non adhesive label shall be affixed to each coil in accordance to DIN EN.
10216-5 respectively ASTM A269 In addition each packing unit is to be labeled with the coil length (front size 20mm).
The ends of the coil shall be sealed with end-caps, each coil has to be tied three times (no adhesive tape).

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