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Stainless Steel Pipe Fittings

Stainless steel pipe fittings are durable connectors made from stainless steel, offering excellent corrosion resistance and strength.
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Stainless steel pipe fittings are durable connectors made from stainless steel, offering excellent corrosion resistance and strength. They are used in plumbing, chemical processing, and industrial piping systems where reliable, leak-proof connections are essential, even in harsh environments.


Standard

ASTM A182, ASTM A403, ASTM A815, MSS SP-43


Austenitic Stainless Steel
ASTM/ASME
       Grade
GB Unified
     Number
EN Grade Chemical Component %
C Cr Ni Mn P S Mo Si Cu N Other
201 1Cr17Mn6Ni5N
≤0.15 16.00-18.00 3.50-5.50 5.50-7.50 ≤0.060 ≤0.030 - ≤1.00 - ≤0.25 -
201L 03Cr17Mn6Ni5N
≤0.030 16.00-18.00 3.50-5.50 5.50-7.50 ≤0.060 ≤0.030
≤1.00
≤0.25
202 1Cr18Mn8Ni5N
≤0.15 17.00-19.00 4.00-6.00 7.50-10.00 ≤0.060 ≤0.030
≤1.00 - ≤0.25 -
204 03Cr16Mn8Ni2N
≤0.030 15.00-17.00 1.50-3.50 7.00-9.00




0.15-0.30
301 1Cr17Ni7 1.4310  ≤0.15 16.00-18.00 6.00-8.00 ≤2.00 ≤0.045 ≤0.030 - ≤1.00 - 0.1 -
302 1Cr18Ni9
≤0.15 17.00-19.00 8.00-10.00 ≤2.00 ≤0.035 ≤0.030 - ≤1.00 - - -
303 Y1Cr18Ni9 1.4305 ≤0.15 17.00-19.00 8.00-10.00 ≤2.00 ≤0.20 ≥0.15 1) ≤1.00 - - -
303se Y1Cr18Ni9Se
≤0.15 17.00-19.00 8.00-10.00 ≤2.00 ≤0.20 ≥0.15 - ≤1.00 - - Se≥0.15
304 0Cr18Ni9 1.4301 ≤0.08 18.00-20.00 8.00-10.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - - -
304L 00Cr19Ni10 1.4307 ≤0.030 18.00-20.00 8.00-10.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - - -
304H 0Cr18Ni9 1.4948 0.04~0.10 18.00-20.00 8.00-10.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - - -
304N1 0Cr19Ni9N
≤0.08 18.00-20.00 7.00-10.50 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - 0.10-0.25 -
304N2 0Cr18Ni10NbN
≤0.08 18.00-20.00 7.50-10.50 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - 0.15-0.30 Nb≤0.15
304LN 00Cr18Ni10N 1.4311 ≤0.030 17.00-19.00 8.50-11.50 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - 0.12-0.22 -
305 1Cr18Ni12
≤0.12 17.00-19.00 10.50-13.00 ≤2.00 ≤0.045 ≤0.030 - ≤1.00 - - -
309S 0Cr23Ni13 1.4828 ≤0.08 22.00-24.00 12.00-15.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - - -
309H 0Cr23Ni13
0.04~0.10 22.00-24.00 12.00-15.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - - -
310S 0Cr25Ni20 1.4842 ≤0.08 24.00-26.00 19.00-22.00 ≤2.00 ≤0.045 ≤0.030 - ≤1.5 - - -
310H 0Cr25Ni20 1.4821 0.04~0.10 24.00-26.00 19.00-22.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - - -
310MoLN 022Cr25Ni22Mo2N 1.4466 ≤0.02 24.00-26.00 20.50-23.50 ≤2.00 ≤0.030 ≤0.01 1.60-2.60 ≤0.50 - 0.09-0.15 -
314 0Cr25Ni20Si 1.4841 ≤0.25 23.00-26.00 19.00-22.00 ≤2.00 ≤0.045 ≤0.030 - 1.5-3.0 - - -
316 0Cr17Ni12Mo2 1.4401 ≤0.08 16.00-18.50 10.00-14.00 ≤2.00 ≤0.045 ≤0.030 2.00-3.00 ≤0.75 - - -
316L 00Cr17Ni14Mo2 1.4404 ≤0.030 16.00-18.00 10.00-14.00 ≤2.00 ≤0.045 ≤0.030 2.00-3.00 ≤0.75 - - -
316LMod

≤0.030 17.00-18.50 13.00-15.00 ≤2.00 ≤0.040 ≤0.030 2.20-3.00 ≤1.00 - 0.22 -
316H 0Cr17Ni12Mo2N
0.04~0.10 16.00-18.00 10.00-14.00 ≤2.00 ≤0.045 ≤0.030 2.00-3.00 ≤0.75 - 0.10-0.22 -
316Ti 0Cr17Ni12Mo2Ti 1.4571 ≤0.08 16.00-18.50 10.00-14.00 ≤2.00 ≤0.045 ≤0.030 2.00-3.00 ≤0.75 - - Ti5(C+N)~0.7
316N 00Cr17Ni13Mo2N
≤0.030 16.00-18.50 10.50-14.50 ≤2.00 ≤0.045 ≤0.030 2.00-3.00 ≤0.75 - 0.12-0.22 -
316J1 0Cr18Ni12Mo2Cu2
≤0.08 17.00-19.00 10.00-14.50 ≤2.00 ≤0.045 ≤0.030 1.20-2.75 ≤0.75 1.00-2.50 - -
316J1L 00Cr18Ni14Mo2Cu2
≤0.030 17.00-19.00 12.00-16.00 ≤2.00 ≤0.045 ≤0.030 1.20-2.75 ≤0.75 1.00-2.50 - -
317 0Cr19Ni13Mo3
≤0.08 18.00-20.00 11.00-15.00 ≤2.00 ≤0.045 ≤0.030 3.00-4.00 ≤0.75 - 0.1 -
317L 00Cr19Ni13Mo3 1.4438 ≤0.03 18.00-20.00 11.00-15.00 ≤2.00 ≤0.045 ≤0.030 3.00-4.00 ≤0.75 - 0.1 -
317J1 0Cr18Ni16Mo5
≤0.08 16.00-19.00 15.00-17.00 ≤2.00 ≤0.045 ≤0.030 4.00-6.00 ≤0.75 - - -
321 0Cr18Ni10Ti 1.4541 ≤0.08 17.00-19.00 9.00-12.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - 0.1 Ti5(C+N)~0.7
321H 0Cr18Ni10Ti 1.494 0.04~0.10 17.00-19.00 9.00-12.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - 0.1 Ti4(C+N)~0.7
347 0Cr18Ni11Nb 1.4550  ≤0.08 17.00-19.00 9.00-13.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - - Nb≥10*C%-1.0
347H 0Cr18Ni11Nb 1.4942 0.04~0.10 17.00-19.00 9.00-13.00 ≤2.00 ≤0.045 ≤0.030 - ≤0.75 - - Nb≥8*C%-1.0
329 0Cr26Ni5Mo2 1.4460  ≤0.08 23.00-28.00 2.00-5.00 ≤1.00 ≤0.040 ≤0.030 1.00-2.00 ≤0.75 - - -
329J1 0Cr26Ni5Mo2
≤0.08 23.00-28.00 2.00-5.00 ≤1.00 ≤0.045 ≤0.030 1.00-2.00 ≤0.75 - - -
330 N08330
≤0.15 14.00-17.00 33.00-37.00 ≤2.00 ≤0.045 ≤0.040 1.00-2.00 ≤1.5 - - -
XM-19 Nitronic50
≤0.06 20.50-23.50 11.50-13.50 4.00-6.00 ≤0.045 ≤0.030 1.50-3.00 ≤1.00 - 0.20-0.40 Nb0.1~-0.3V 0.1~-0.3 


Ferritic Stainless Steel
ASTM/ASME
       Grade
Other Name Chemical Component %
C Cr Ni Mn P S Mo Si Cu N Other
405 0Cr13Al ≤0.08 11.50-14.50 0.6 ≤1.00 ≤0.040 ≤0.030 - ≤1.00 - - Al 0.10-0.30
409 S40900 ≤0.03 10.50-11.70 0.5 ≤1.00 ≤0.040 ≤0.020 - ≤1.00 - 0.03 Ti6(C+N)-0.5 Nb0.17
430 S43000 ≤0.12 16.00-18.00 0.75 ≤1.00 ≤0.040 ≤0.030 - ≤1.00 - - -
429 - ≤0.020 14.00-16.00 - ≤1.00 ≤0.040 ≤0.030 0.75-1.25 ≤1.00 - ≤0.020 Nb:3C+0.3~1.00
436 S43600 ≤0.025 16.00-19.00 - ≤1.00 ≤0.040 ≤0.030 0.75-1.0 ≤1.00
≤0.025 Nb+Ti:8(C+N)~0.80
439 S43035 ≤0.030 17.50-18.50 - ≤1.00 ≤0.040 ≤0.015 - ≤1.00 - ≤0.030 Ti+Nb:0.2+4C~0.75
441 S44100 ≤0.030 17.50-18.50 - ≤1.00 ≤0.040 ≤0.015 - ≤1.00 - ≤0.030 Ti:0.1-0.6 Nb:3C+0.3~1.0
442 S44200 ≤0.025 18.0-23.0 - ≤1.00 ≤0.040 ≤0.035 - ≤1.00 -

443 S44300 ≤0.025 19.5-22.0 - ≤1.00 ≤0.035 ≤0.015 - ≤1.00 - ≤0.025 Nb+Ti:0.2+4(C+N)~0.75
444 S44400 ≤0.025 17.00-20.00 - ≤1.00 ≤0.040 ≤0.030 1.75-2.5 ≤1.00
≤0.035 Ti+Nb:0.2+4(C+N)~0.8
446 S44600 ≤0.2 23.0-27.0 0.75 ≤1.50 ≤0.040 ≤0.030 - ≤1.00
0.25
XM27 00Cr27Mo ≤0.010 25.00-27.50 - ≤0.40 ≤0.035 ≤0.030 0.75-1.50 ≤0.40 - ≤0.015 -


Martensitic Stainless Steel       
ASTM/ASME
       Grade
Other Name Chemical Component %
C Cr Ni Mn P S Mo Si Cu N Other
403 1Cr12 ≤0.15 11.50-13.00 - ≤1.00 ≤0.040 ≤0.030 - ≤0.50 - - -
410 1Cr13 0.08~0.15 11.50-13.50 - ≤1.00 ≤0.040 ≤0.030 - ≤1.00 - - -
410J1 1Cr13Mo 0.08-0.18 11.50-14.00 - ≤1.00 ≤0.040 ≤0.030 0.30-0.60 ≤1.00 - - -
420 2Cr13 ≥0.15 12.00-14.00 - ≤1.00 ≤0.040 ≤0.030 - ≤1.00 - - -
420J2 3Cr13 0.26-0.35 12.00-14.00 - ≤1.00 ≤0.040 ≤0.030 - ≤1.00 - - -

4Cr13 0.36-0.45 12.00-14.00 - ≤1.00 ≤0.040 ≤0.030 - ≤1.00 - - -
431 1Cr17Ni2 ≤0.2 15.00-17.00 1.25-2.50 ≤1.00 ≤0.040 ≤0.030 - ≤1.00 - - -
440A 7Cr17 0.60-0.75 16.00-18.00 - ≤1.00 ≤0.040 ≤0.030 0.75 ≤1.00 - - -
440B 8Cr17 0.75-0.95 16.00-18.00 - ≤1.00 ≤0.040 ≤0.030 0.75 ≤1.00 - - -
440C 11Cr17 0.95-1.20 16.00-18.00 - ≤1.00 ≤0.040 ≤0.030 0.75 ≤1.00 - - -


Martensitic Precipitation-Hardening Stainless Steel
ASTM/ASME
       Grade
Other Name Chemical Component %
C Cr Ni Mn P S Mo Si Cu N Other
17-4PH 630/1.4542 ≤0.07 15.50-17.50 3.00-5.00 ≤1.00 ≤0.040 ≤0.030 - ≤1.00 3.00-5.00 - Nb+Ta:0.15-0.45
17-7PH 631 ≤0.09 16.00-18.00 6.50-7.50 ≤1.00 ≤0.040 ≤0.030 - ≤1.00 - - Al 0.75-1.50
15-5PH XM12/1.4545 ≤0.07 14.00-15.50 3.50-5.50 ≤1.00 ≤0.040 ≤0.030 2.00-3.00 ≤1.00 2.50-4.50 - Nb:0.15-0.45


Martensitic Free Cutting Stainless Steel
ASTM/ASME
       Grade
Other Name Chemical Component %
C Cr Ni Mn P S Mo Si Cu N Other
416 Y1Cr13 ≤0.15 12.00-14.00 - ≤1.25 ≤0.06 ≥0.15 - ≤1.00 - - -
416Se S41623 ≤0.15 12.00-14.00 - ≤1.25 ≤0.06 ≥0.15 - ≤1.00 - - Se≥0.15
420F Y3Cr13 0.3-0.40 12.00-14.00 0.5 ≤1.25 ≤0.06 ≥0.15 - ≤1.00 0.6 - -
430F Y1Cr17 ≤0.12 16.00-18.00 - ≤1.25 ≤0.06 ≥0.15 - ≤1.00 - - -
440F Y11Cr17 0.95-1.20 16.00-18.00 - ≤1.25 ≤0.06 ≥0.15 - ≤1.00 - - -
303 1.4305 ≤0.15 17.00-19.00 8.00-10.00 ≤2.00 ≤0.20 ≥0.15 - ≤1.00 - - -
303se Y1Cr18Ni9Se ≤0.15 17.00-19.00 8.00-10.00 ≤2.00 ≤0.20 ≥0.15 - ≤1.00 - - Se≥0.15


Duplex Stainless Steel
Grade Other Name EN Grade Chemical Component %
C Cr Ni Mn P S Mo Si Cu N W Other
2205 F51(S31803) 1.4462 ≤0.03 ≥21 2.5~3.5 ≤2 ≤0.03 ≤0.02 ≥2.5 ≤1 - 0.08~0.2 - -
F60(S32205) 1.4462 ≤0.03 ≥22 2.5~3.5 ≤2 ≤0.03 ≤0.02 ≥3 ≤1 - 0.08~0.2 - -
2507 F53(S32750) 1.4410 ≤0.03 24~26 6~8 ≤1.2 ≤0.035 ≤0.02 3~5 ≤0.8 ≤0.5 0.24~0.32 - -
F55 S32760 1.4501 ≤0.03 24~26 6~8 ≤1 ≤0.03 ≤0.01 3~4 ≤1 0.5~1 0.2~0.3 0.5~1 -
329 S32900
≤0.08 23~28 3~6 ≤1.5 ≤0.04 ≤0.03 1~3 ≤1 - - - -
A4é’˘ 0Cr17Mn13Mo2N
≤0.08 16.5~18.5 - 12~15 ≤0.045 ≤0.02 1.8~2.2 ≤0.7 - 0.2~0.3 - -
TDS2101 S32101 1.4162 ≤0.04 21~22 1.35~1.7 4~6 ≤0.04 ≤0.03 0.1~0.8 ≤1 0.1~0.8 0.2~0.25 - -
TDS2003 S32003
≤0.03 19.5~22.5 3~4 ≤2 ≤0.03 ≤0.02 1.5~2 ≤1 - 0.14~0.2 - -
S32906

≤0.03 28~30 5.8~7.5 ≤1.2 ≤0.03 ≤0.03 1.5~2.6 ≤1 ≤0.8 0.3~0.4 - -
S32304
1.4362 ≤0.03 21.5~24.5 3~5.5 ≤2.5 ≤0.04 ≤0.03 0.05~0.6 ≤1 0.05~0.6 0.05~0.2 - -
SUS329J4L

≤0.03 24~26 5.5~7.5 ≤1.5 ≤0.04 ≤0.03 2.5~3.5 ≤1 - 0.08~0.3 - -


Supler Stainless Steel
Grade Other Name Chemical Component %
C Cr Ni Mn P S Mo Si Cu N Nb Al Other
904L UNS NO8904 ≤0.02 19~23 23~28 ≤2 ≤0.045 ≤0.035 4~5 ≤1 1~2 ≤0.1 - - -
253MA UNS S30815 0.05~0.1 20~22 10~12 ≤0.8 ≤0.04 ≤0.03 - 1.4~2 - 0.14~0.2 - - Ce0.03~0.08
254SMO UNS S31254 ≤0.02 19.5~20.5 17.5~18.5 ≤1 ≤0.03 ≤0.01 6~6.5 ≤0.8 0.5~1 0.18~0.22 - - -
AL-6XN 1.4529 ≤0.03 20~22 23.5~25.5 ≤2 ≤0.04 ≤0.03 6~7 ≤1 ≤0.75 0.18~0.25 - - -
S31050 310MoLn
1.4466
≤0.02 24~26 21~23 ≤2 ≤0.03 ≤0.15 2~3 ≤0.4 - 0.1~0.16 - - -
U3
≤0.02 24~26 19~21 2.5~3 ≤0.02 ≤0.15 2.5~3 ≤0.4 - 0.2~0.3 - - -
HD
≤0.03 17~19 18~20 ≤1 ≤0.03 ≤0.01 0.3~0.8 4.5~6 1.5~2.5 - - - -
C4
≤0.03 13~15 13~15 ≤1 ≤0.035 ≤0.03 - 3~4.5 - - - - -
DS-2
≤0.02 8~11 22~25 ≤1 ≤0.03 ≤0.03 - 5~7 - - - - -
69111 0Cr12Mn5Ni4Mo3Al ≤0.09 11~12 4~5 4.4~5.3 ≤0.03 ≤0.03 2.7~3.3 ≤0.8 - - - 0.5~1 -
S45000 XM-25 ≤0.05 14~16 5~7 ≤1 ≤0.03 ≤0.03 0.5~1 ≤1 1.25~1.75 - ≥8*C% - -


Quality Control

We have adopted the Quality Policy that there can be no compromise where the quality of our products is concerned. A strict systematic quality control program ensures that products conform to customer specifications in component, size and physical properties.


Stainless Steel Pipe Fittings


Packing

All our products are packed, stored, transported according to the international regulation.

The stainless steel bar rods are packed with woven bags, kraft paper, bundles, wooden cases, etc. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement. Plywood cases are available for special protection. Other kinds of packing can be offered if request.


Stainless Steel Pipe Fittings Packing


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