About Jiangyin Donghao Stainless Steel Pipe Co.,Ltd

Brief Introduction: 
ISO 9001-2008, PED97/23/EC and ASME Boiler and Pressure Vessel Code Certificate certified. Built in 2005, Cover area over 40,000㎡, more than 200 employees, annual production capacity of Stainless Steel Seamless Tubes & Pipes, Nickel Alloy Seamless Tubes is more than 10,000 Metric Tons. Now Jiangyin Donghao Stainless Steel Pipe is one of the largest and most reliable manufacturer of stainless steel and Nickel Alloy Seamless Tubes and Pipes in China.

Mainly Products:

Boiler Tubes and Condenser Tubes
U bend Stainless Steel Tubing
Duplex Stainless Steel Pipes
Heat Ex-changer Tubes
Nickel Alloy Seamless Tubing
Big OD Size Stainless Steel Pipe
Cold Drawn Bright Annealing Precision Stainless Tubing
Heat Resisting Stainless Steel Tubes and Pipes

Mainly Raw Material Supplier: 
BAOSTEEL / TISCO / POSCO / Yongxing Special Stainless Steel / Sandvik / Outokumpu / Nippon Steel

Mainly Certificate List:
Business License of Enterprise Legal Person
Third Part Inspection Accepted according to EN 10204 3.2
ISO 9001 - 2008 issued by Lloyd's,
PED no. 97/23/EC for Stainless Steel Tubing and Nickel Alloy Tubing By Lloyd's,
ASME Boiler and Pressure Vessel Code Certificated Certificate for Stainless Steel Tubing Issued by TUV
Manufacturer License of Special Equipment for Pressure Vessel Stainless Steel Tubing Issued by AQSIQ
GJB 9001B - 2009 China Aerospace Quality Management System for Stainless Steel Tubing and Nickel Alloy Tubing

Mainly Equipment: 

8 Sets of Cold Drawn Mills
2 Sets of Precision Cold Drawn Mills with Korea import lubricant
11 Sets of LG30-H Cold Rolling Mills; 
2 Sets of LD40-H Three-Rollers Precision Cold Rolling Mills;
2 Sets of LG50 Cold Rolling Mills;
3 Sets of LG60-H Cold Rolling Mills;
1 Set of LG120-H Cold Rolling Mill; 
1 Set of Solution Annealing Furnace;
1 Set of Bright Annealing Furnace;
1 Set of GNR Direct Reading Spectrometry(Made In Italy);
4 Sets of Straightening Equipment

PMI Testing, Chemical Analysising, Mechanical Experiments, Ultrasonic Testing, Eddy Current Testing, Hydraulic test, Hydrostatic Testing, Inter-granular corrosion, Metallurgical Microscopy, Spectral Analysis system.

Tubes and Pipes Size: OD: 6-530mm, WT: 0.5-45mm; Length Max in 24000mm

Material Grades: 

Austenitic Stainless Steel: 
304/304L(1.4301/1.4307); 316/316L (1.4401/1.4404);316Ti(1.4571); 321(1.4541); 310S(1.4845); 317L(1.1138); 321H(1.4878); 304H(1.4948); 347H(1.4550);

Martensitic Stainless Steel:
410(1.4006), 410S(1.4000), 420(1.4021)

Ferritic Stainless Steel:
405(1.4002), 409L, 430(1.4016)

Super-Austenitic Stainless Steel: 
N08904 (904L) N08367(6Mo), S31254(6Mo), S30432, S31042

Duplex Stainless Steel: 
SAF1805, SAF2205(1.4462), S32304(1.4362), S31803(1.4462), S32101(1.4162)

Super-Duplex Stainless Steel: 
S32750(1.4410)

Nickel Base Alloy Seamless Tubes:
Alloy 20 (UNS N08020), Monel 200 (UNS 02200), Monel 400 (UNS N04400), Incoloy 800 (UNS N08800), Incoloy 800H (UNS N08810), Incoloy 825(UNS N08825), Inconel 600 (UNS N06600), 4J29, 4J36, GH3030, GH3039,

Standard: 
EN 10216-5; DIN 17456;DIN17458;DIN17459;
ASTM: A213/ASTM A312/ASTM A269/ASTM A789/ASTM A790/ASTM A511/ASTM A376;
ASME SA213/ASME SA312/ASME SA269/ASME SA789/ASME SA790/ASME SA511/ASME SA376;
JIS G3459;JIS G3463;
GOST 9940 GOST 9941 
or Standards stipulated in the technical agreement.