Stainless Steel

Stainless steel is a versatile and durable alloy renowned for its exceptional corrosion resistance and strength, making it a cornerstone material in various industries, particularly the steel industry. Composed primarily of iron, with chromium as its key alloying element, stainless steel gains its unique properties through the formation of a passive oxide layer on its surface. This oxide layer, primarily consisting of chromium oxide, acts as a shield, protecting the underlying metal from rust, stains, and corrosion, even in harsh environments.
Moreover, stainless steel exhibits excellent mechanical properties, including high tensile strength and temperature resistance, making it suitable for a wide range of applications, from kitchen utensils and appliances to architectural structures and industrial equipment. Its aesthetic appeal, low maintenance requirements, and recyclability further contribute to its widespread use across diverse sectors. In essence, stainless steel epitomizes the fusion of strength, longevity, and aesthetic appeal, making it an indispensable material in the modern steel industry and beyond.
  • ASTM A403 / A182 / A312 / A213 / A240

  • Buttweld Pipe Fittings, Forged Fittings, Flanges, Pipes, Tubes, Round Bar, Sheets, Fasteners, Gaskets

Stainless Steel products

Buttweld Fitting

Forged Fitting

Flanges

Pipes

Tube

GENERAL INFORMATION

  • EQUIVALENT GRADES
  • CHEMICAL COMPOSITION
  • MECHANICAL COMPOSITION
AISI/SAE Grade UNS EN Steel Number EN Steel Name DIN BS UNI JIS
(USA) (USA) (Europe) (Europe) (Germany) (UK) (Italy) (Japan)
301 S30100 1.431 X10CrNi18-8        
301LN   1.4318 X2CrNiN18-7        
303 S30300 1.4305 X8CrNiS18-9 X10CrNiS18-9 303S 31 X10CrNiS18-09 SUS 303
En58M
304 S30400 1.4301 X2CrNi19-11 X5CrNi18-9 304S 15 X5CrNi18-10 SUS 304
X2CrNi18-10 X5CrNi18-10 304S 16 SUS 304-CSP
  XCrNi19-9 304S 18  
    304S 25  
    En58E  
304L S30403 1.4306 X2CrNi19-11   304S 11   SUS304L
304LN S30453 1.4311 X2CrNiN18-10        
304H S30409 1.4948 X6CrNi18-11        
305 S30500 1.4303 X5CrNi18-12        
316 S31600 1.4401 X5CrNiMo17-12-2 X5CrNiMo17 12 2 316S 29 X5CrNiMo17 12 SUS 316
1.4436 X5CrNiMo18-14-3 X5CrNiMo17 13 3 316S 31 X5CrNiMo17 13 SUS316TP
    X5CrNiMo 19 11 316S 33 X8CrNiMo17 13  
    X5CrNiMo 18 11 En58J    
316L S31603 1.4404 X2CrNiMo17-12-2   316S 11   SUS316L
316LN S31653 1.4406 X2CrNiMoN17-12-2        
1.4429 X2CrNiMoN17-13-3
316Ti S31635 1.4571   X6CrNiMoTi17-12 320S 33    
317L S31703 1.4438 X2CrNiMo18-15-4        
321 S32100 1.4541   X6CrNiTi18-10 321S 31   SUS321
  J94204 1.4848 GX40CrNiSi25-20 SEW 595 GX40CrNiSi25-20 310C40   SCH22
  N08151 1.4859 GX10NiCrSiNb32-20 GX10NiCrSiNb32-20      
321H S32109 1.4878 X12CrNiTi18-9        
X8CrNiTi18-10
347H S34709 1.4906 X7CrNiNb18-10        
409 S40900 1.4512 X6CrTi12       SUH409
410 S41000            
430 S43000 1.4016   X6Cr17 430S 17   SUS430
440A S44002            
440B S44003 1.4112          
440C S44004 1.4125   X105CrMo17     SUS440C
430F S44020 1.4104   X14CrMoS17     SUS430F
431 S43100 1.4057 X17CrNi16-2 X16CrNi16 431S 29   SUS431
Grade C (Max) Mn (Max) P (Max) S (Max) Si (Max) Cr Ni Mo Nitrogen (Max) Cu/ Others
301 0.15 2.00 0.045 0.030 1.00 16.00 - 18.00 6.00 - 8.00 - 0.10 -
304 0.08 2.00 0.045 0.030 0.75 18.00 - 20.00 8.00- 10.50 - 0.10 -
304L 0.030 2.00 0.045 0.030 0.75 18.00 - 20.00 8.00- 12.00 - 0.10 -
310S 0.08 2.00 0.045 0.030 1.50 24.00- 26.00 19.00 - 22.00 - - -
316 0.08 2.00 0.045 0.030 0.75 16.00 - 18.00 10.00 - 14.00 2.00 - 3.00 0.10 -
316L 0.030 2.00 0.045 0.030 0.75 16.00 - 18.00 10.00 - 14.00 2.00 - 3.00 0.10 -
317 0.08 2.00 0.045 0.030 0.75 18.00 - 20.00 11.00 - 14.00 3.00 - 4.00 0.10 -
317L 0.030 2.00 0.045 0.030 0.75 18.00 - 20.00 11.00 - 15.00 3.00 - 4.00 0.10 -
321 0.08 2.00 0.045 0.030 0.75 17.00 - 19.00 9.00 - 12.00 - 0.10 Ti5 ( C + N ) Min or 0.70 max
347 0.08 2.00 0.045 0.030 0.75 17.00 - 19.00 9.00 - 13.00 - - Cb= 10x ( C Min ) or 1.00 Max
409 0.08 1.00 0.040 0.010 1.00 10.50 - 11.75 0.50 - - Ti= 6x (C+ N ) Min or 0.70 Max
409M 0.03 0.81.2 0.030 0.030 0.40.75 11.00- 12.00 1.5 max. - - Ti= 6x (C) Min or 0.70 Max
410S 0.08 1.00 0.040 0.030 1.00 11.50- 13.50 0.60 - - -
410 0.15 1.00 0.040 0.030 1.00 11.50- 13.50 0.75 - - -
420 0.35 0.50 0.035 0.015 0.50 12.00 - 13.00 0.20.3 - - -
430 0.12 1.00 0.040 0.030 1.00 16.00 - 18.00 0.75 - - -
Grade Tensile
Strength Mpa, (Min)
Yield
Strength
Mpa, (Min)
%Age
Elongation
in 50mm
gauge length min
Hardness (Max)
BHN Rb
301 515 205 40 217 95
304 515 205 40 201 92
304L 485 170 40 201 92
310S 515 205 40 217 95
316 515 205 40 217 95
316L 485 170 40 217 95
317 515 205 35 217 95
317L 515 205 40 217 95
321 515 205 40 217 95
347 515 205 40 201 92
409 380 170 20 179 88
409M 430 275 20 187 90
410S 415 205 22 183 89
410 450 205 20 217 89
420 700( max ) - 15 217 95
430 450 205 22 183 89

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