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Designed for critical and purity applications such as semiconductor manufacturing, LSIs high purity tubing delivery of gases, chemicals and solvents, or use in ultra High vacuum piping for reducing out gas rate. From advanced manufacturing processes, including special cold drawing and cold pilgering, not just precision for sizes, but also enhance material substrutes density by cold pilgering process. The ID is cold rolling to a 15Ra(0.4µm) finished, by Hydrogen bright annealed process removed tube lubrication and optimum anti-corrosion ability, stress free, good mechanical properties follow by precision cleaning process to removed any residual contaminants, simulated natural light inspection at both ends verifies cleaning before the tubes are nitrogen purged and capped.
Surface Treatment: Bright annealed, polished outside and inside surface,Electronic Polishing.


Bright Annealing Tubing/High-purity E-Polishing Tubng for Semi-conductor industry
ASTM/ASME JIS En DIN C Cr Ni Mo N Others
TP304 SUS304     0.080 8.0~20.0 8.0~11.0   Max:0.1  
TP304L SUS304L 1.4307 X2CrNi18-9 0.035 18.0~20.0 10.0~12.0   Max:0.11  
TP316 SUS316L     0.080 16.0~18.0 8.0~11.0 2.00~3.00    
TP316L SUS316L 1.4404 X2CrNiMo17
-12-2
0.035 16.0~18.0 10.0~15.0 2.00~3.00 0.15~0.35
TP316L SUS316L 1.4436 X3CrNiMo17
-13-3
0.050 16.5~18.5 10.5~13.0 2.50~3.00    
TP321 SUS316 1.4541 X6CrNiTi18-10 0.080 17.0~19.0 9.00~12.0   Max:0.11 Ti: 5*(C+N)~0.70
 
UNS Tensile Strength
Min, Mpa
Yield Strength
Min, Mpa
Elongation in 2INCH.
Or 50mm Min, %
Hardness Max,
HRC
1.4301 500~700 195 35 90HRB
1.4307 460~680 180 35 90HRB
1.4401 510~710 205 30 90HRB
1.4404 490~690 190 30 90HRB
1.4436 510~710 205 30 90HRB
1.4541 500~730 200 30 90HRB

Pressure Ratings: Based on using the more conservative Barlow formula where P=(2TxS)/O
P=burst pressure T=wall thickness S=tensile strength O=outside diameter.

 
ASTM A249/ASME SA249 Welded austenitic steel boiler, superheater, heat-exchanger, and condenser tubes
ASTM A269, ASME SA269 Seamless and welded austenitic stainless steel tubing for general service
EN10305-1 Precision steel tubes
EN10216-5 Seamless steel tubes for pressure purposes
EN10217-5 Welded steel tubes for pressure purposes
ASTM A270/ASME SA270 Seamless and welded austenitic stainless steel sanitary tubing
JIS G3447 Stainless steel sanitary tubing
JIS G3459 Stainless steel pipes
 
 
1.100% PMI / SPECTRO CHEMICAL ANALYSIS TESTS
2.100% DIMENSION TESTS & 100% VISUAL EXAMINATION
3.TENSION TEST, FLARING TESTS(FOR SEAMLESS TUBE/PIPE)/FLANGE TESTS(FOR WELDED TUBE/PIPE), HARDNESS TEST, REVERSED FLATTENING TEST(FOR WELDED TUBE/PIPE), FLATTENING TEST (FOR SEAMLESS TUBE/PIPE)
4.100% HYDROSTATIC TEST/100% NON-DESTRUCTIVE TESTS
5.ROUGNESS TESTS

NOTES : ALL THE TESTS AND INSPECTION NEED TO PROVIDE WITH REPORTS ACCORDING TO STANDARD AND TEST RESULTS
 
1.CRYSTALLING PHASE ANALYSIS
2.INTERGRANULAR ATTACK TESTS
3.IMPACT ATTACK TEST UNDER LOW TEMPERATURE
4.U-BEND BALLING PASS TEST
5.PT TEST ON BENDING AREA
6.ULTRO-SONIC TESTING
a.MTC (MATERIAL TEST CERTIFICATION) ACCORDING TO EN10204/3.1 OR EN 10204/3.2
b.RAW MATERIAL CERTIFICATION
c.ALL THE TEST & INSPECTION REPORTS AS PER PO AND STANDARDS
d.HEAT TREATMENT REPORT
e.SHIPPING NOTIFICATION BEFORE SHIPMENT
f.QUALITY WARRANTY LETTER
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