Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"ASTM 790M UNS S32750 SMLS Duplex Steel Pipe","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/48\/3e\/9aac6e30501994c121272e836c9e-200x200-1\/astm_790m_uns_s32750_smls_duplex_steel_pipe.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"ASTM A790\/790M UNS S32750 (1.4410)","Certification":"ABS, GL, BV, GOST, TS, CCS, CNNC, ISO","Place of Origin":"China"}}
{"title":"Duplex Stainless Steel Pipe, ASTM A790 , ASTM A928 , S31803 , S32750, S32760,","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1d\/46\/c18d1bb6c55b9e005664cc26fe29-200x200-1\/duplex_stainless_steel_pipe_2c_astm_a790_2c_astm_a928_2c_s31803_2c_s32750_2c_s32760_2c_s31254_2c_254mo_2c_253ma.jpg","attrs":{"Place of Origin":"China, USA, Korea, UE","Brand Name":"YUHONG","Certification":"ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Minimum Order Quantity":"100KGS"}}
{"title":"Super Duplex Stainless Steel Pipes, EN 10216-5 1.4462 \/ 1.4410, UNS32760(1.4501)","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/5a\/4a\/768d54c53c4dde90d67ea9632a0f-200x200-1\/super_duplex_stainless_steel_pipes_2c_en_10216_5_1_4462_2f_1_4410_2c_uns32760_281_4501_29_2c_pickled_26_annealed_2c_2c20ft.jpg","attrs":{"Place of Origin":"China, USA, Korea, UE","Brand Name":"YUHONG SPECIAL STEEL","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Minimum Order Quantity":"100KGS"}}
{"title":"Duplex Steel Pipes , Super Duplex Pipes, A789, A790 , A928 S31803(2205) S32750","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c6\/64\/6b128cc50c8e244b69695b7e081a-200x200-1\/duplex_steel_pipes_2c_super_duplex_pipes_2c_a789_2c_a790_2c_a928_s31803_282205_29_s32750_282507_29_s32760.jpg","attrs":{"Place of Origin":"China","Brand Name":"YUHONG","Certification":"ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Minimum Order Quantity":"100KGS"}}
{"title":"ASTM A790 S32750 Super Duplex Steel Seamless Pipe Water Treatment Equipment","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4c\/20\/abd14e3e23feec7ec6c3993e7f39-200x200-1\/astm_a790_s32750_super_duplex_steel_seamless_pipe_water_treatment_equipment.jpg","attrs":{"Place of Origin":"China","Brand Name":"YUHONG","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Minimum Order Quantity":"500kgs"}}
{"title":"ASTM A790 UNS S32750\uff082507, 1.4410 ), Super Duplex Stainless Steel Pipes, PREN>40","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c9\/50\/d0a97184ab9bb4e0d66261e9eaf0-200x200-1\/astm_a790_uns_s32750_ef_bc_882507_2c_1_4410_29_2c_super_duplex_stainless_steel_pipes_2c_pren_3e40.jpg","attrs":{"Place of Origin":"China","Brand Name":"YUHONG","Certification":"ABS, BL, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015","Minimum Order Quantity":"100KGS"}}
{"title":"Duplex Stainless Steel Pipe ,SA789, SA790, SA928,DIN17456\/17458,EN10216-5 UNS","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ae\/20\/ba7e287d9b6c22b2cd6917c54c93-200x200-1\/duplex_stainless_steel_pipe_2csa789_2c_sa790_2c_sa928_2cdin17456_2f17458_2cen10216_5_uns_s31803_2cs32205_2cs32101_2cs32304_2cs3275.jpg","attrs":{"Place of Origin":"China,USA, Korea, UE","Brand Name":"YUHONG SPECIAL STEEL","Certification":"ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Minimum Order Quantity":"100KGS"}}
Duplex Stainless Steel Pipe, ASTM A790/790M UNS S32750 (1.4410)
YUHONG SPECIAL STEEL deals with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.
Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),
UNS32760(1.4501)
Chemical Composition
Grade
C
max
Si
max
Mn
max
P
max
S
max
Cr
Ni
Mo
N
UNS S32750
0.030
0.8
1.2
0.030
0.015
24.0-26.0
6.0-8.0
3.0-5.0
0.24-0.32
UNS S31803
0.030
1.0
2.0
0.020
0.020
21.0-23.0
4.5-6.5
2.5-3.5
0.08-0.20
UNS S31500
0.030
1.0
1.2-2.0
0.030
0.030
18.0-19.0
4.5-5.5
2.5-3.5
0.05-0.10
Physical Properties
Grade
Y.S.MPa min
T.S.Mpa min
Elongation %
Hardness HRC
UNS S32750
550
800
15
20
UNS S31803
450
620
25
20
UNS S31500
440
630
30
20
Duplex Stainless Steel Pipe Application:
Chemical processing, Transport and Storage.
Oil and gas exploration and offshore rigs.
Oil and gas refining.
Marine environments.
Pollution control equipment.
Pulp and paper manufacturing
Chemical process Plant
Some of the quality tests carried out by us includes:
Corrosion Test
Conducted only when specially requested by the client
Chemical Analysis
Test done as per required quality standards
Destructive / Mechanical Testing
Tensile | Hardness | Flattening | Flare | Flange
Reverse-bend and Re. flat tests
Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
Eddy Current Testing
Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
Hydrostatic Testing
100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
Air Under Pressure Test
To check any evidence of air leakage
Visual Inspection
After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections
Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
