Material: TP 304/304L, 316/316L,310S, 321 etc.
Tube delivery condition: bright annealing (BA)
Tube type: weld, TAW
Coil Lengths: max 3000 m per coil tube
Standard: ASTM A269, A249
O.D. from 3 to 25.4mm
W.T. from 0.3 to 2.0mm
Gas Welding Stainless Steel Fluid Tube
Chemical composition:
in accordance with ASTM A269
Mechanical and technical properties:
in accordance to ASTM A269
Soft annealed max. Hardness 150 HV10 Tolerance +10 points
Model type and surface integrity:
in accordance with ASTM A269
Surface roughness Ra < 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, welded, Bright Annealed, ASTM A269, OD3/8'' X WT0.035'' HEAT NO.160326T22
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
Package:
A non adhesive label shall be affixed to each coil in accordance to DIN EN
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).
