Steel grades
67 grades found.
15-5PH
15-5PH is a refinement of 17-4PH with tighter control of delta ferrite, giving better transverse toughness and ductility…
17-4PH
17-4PH (type 630) is the most widely used precipitation-hardening stainless steel, combining near-316 corrosion resistan…
17-7PH
17-7PH (type 631) is a semi-austenitic precipitation-hardening stainless supplied soft and formable, then transformed an…
201
201 is a chromium-manganese austenitic stainless steel in which manganese and nitrogen replace part of the nickel of 304…
202
202 is a chromium-manganese austenitic grade similar to 201 but with higher manganese and slightly more chromium and nic…
2101 Duplex
2101 is a lean duplex stainless in which manganese and nitrogen replace most of the nickel, giving roughly twice the yie…
2205 Duplex
2205 is the most widely used duplex stainless steel, with a roughly 50/50 ferrite-austenite structure giving twice the y…
2304 Duplex
2304 is a lean duplex grade with corrosion resistance comparable to 316L and roughly double its yield strength, without …
2507 Super Duplex
2507 is a super duplex stainless with 25% chromium, 4% molybdenum and high nitrogen, giving a PREN above 40 and outstand…
253MA
253MA is a nitrogen-alloyed, cerium-bearing heat-resistant austenitic stainless (a proprietary Outokumpu grade under UNS…
254 SMO
254 SMO is a 6% molybdenum super-austenitic stainless with nitrogen and copper, giving a PREN above 42. It was developed…
2Cr13
2Cr13 (new designation 20Cr13) is China’s 420-type martensitic stainless: a hardenable 13% chromium steel used Q&T for p…
301
301 is a metastable austenitic stainless steel with lower nickel than 304, so it work-hardens dramatically during cold f…
302
302 is essentially 304 with a slightly higher carbon allowance, giving a little more strength after cold work. It is wid…
303
303 is the free-machining version of 304, with sulfur (and often phosphorus) added to break chips. It is the standard ba…
304
304 is the most widely used stainless steel in the world, an 18-8 austenitic grade balancing corrosion resistance, forma…
304H
304H is the high-carbon variant of 304, with carbon held between 0.04 and 0.10% to guarantee creep-rupture strength at e…
304L
304L is the low-carbon version of 304, specified for welded fabrications because its carbon cap of 0.030% prevents sensi…
305
305 is a high-nickel austenitic grade whose extra nickel lowers the work-hardening rate compared with 304. It is chosen …
309
309 is a high-chromium, high-nickel austenitic grade developed for elevated-temperature oxidation resistance. It also se…
309S
309S is the low-carbon version of 309, preferred for welded high-temperature fabrications because it resists carbide pre…
310
310 is a 25Cr-20Ni heat-resistant austenitic grade with excellent oxidation resistance up to about 1035 °C in continuous…
310S
310S is the low-carbon version of 310 and the most common heat-resistant sheet and plate grade for welded furnace fabric…
314
314 is a heat-resistant grade like 310 but with silicon raised to 1.50–3.00% for still better scaling resistance in cycl…
316
316 adds 2–3% molybdenum to the 18-10 base of 304, which markedly improves pitting and crevice corrosion resistance in c…
316H
316H is the high-carbon variant of 316, specified where creep strength is required in high-temperature pressure equipmen…
316L
316L is the low-carbon version of 316 and the most specified molybdenum-bearing stainless for welded equipment. It combi…
316LN
316LN is 316L chemistry reinforced with 0.10–0.16% nitrogen. The nitrogen raises yield strength by roughly a quarter ove…
316Ti
316Ti is the titanium-stabilised version of 316, long standardised in European practice as 1.4571. The titanium binds ca…
317
317 increases molybdenum to 3–4% over 316, giving a further step in pitting and acid resistance for aggressive chemical …
317L
317L is the low-carbon version of 317, with 3–4% molybdenum for welded equipment in hot chloride and acid service beyond…
317LMN
317LMN is the low-carbon, nitrogen-bearing version of the 317 family with 4–5% molybdenum. It sits between 317L and the …
321
321 is a titanium-stabilised 18-10 stainless developed for welded equipment operating between 425 and 900 °C, where unst…
321H
321H is the high-carbon, titanium-stabilised variant of 321, combining sensitisation resistance with guaranteed creep st…
329
329 is the original commercial duplex stainless (the JIS SUS329J1 family), a 25% chromium, low-nickel ferritic-austeniti…
347
347 is the niobium-stabilised counterpart of 321, preferred for welded high-temperature service because niobium carbides…
347H
347H is the high-carbon niobium-stabilised grade for creep-range pressure service, combining the sensitisation resistanc…
353MA
353MA is a silicon-, nitrogen- and cerium-alloyed heat-resistant austenitic stainless (a proprietary Alleima grade under…
3Cr13
3Cr13 (new designation 30Cr13) is the higher-carbon 420-family stainless of GB/T 1220 — the volume Chinese grade for kni…
403
403 is a 12% chromium martensitic stainless developed for steam turbine blades, where controlled cleanliness and temper …
405
405 is an aluminium-bearing ferritic stainless designed to remain non-hardening when cooled from welding temperatures, u…
409
409 is a titanium-stabilised 11% chromium ferritic stainless developed for automotive exhaust systems. It offers enough …
410
410 is the basic martensitic stainless steel, the lowest-cost grade that can be hardened by heat treatment. It trades co…
410L
410L is a low-carbon 12% chromium ferritic stainless: reducing carbon below 0.03% keeps it soft, weldable and free of th…
410S
410S is the low-carbon, non-hardening version of 410: with carbon held below 0.08% it does not form brittle martensite i…
416
416 is the free-machining version of 410, with sulfur added so it cuts faster than any other stainless grade. It is the …
420
420 is a hardenable 13% chromium martensitic stainless used for cutlery, surgical instruments and wear parts. Note: DIN …
420F
420F is the free-machining version of 420, resulfurized (0.15% S minimum) so that hardened stainless parts can be produc…
430
430 is the most widely used ferritic stainless steel, a 17% chromium, nickel-free grade with good corrosion resistance i…
430F
430F is the free-machining version of 430, with sulfur added for chip breaking in high-volume screw machining. It keeps …
431
431 is a nickel-bearing martensitic stainless that develops the best combination of hardness, toughness and corrosion re…
434
434 adds about 1% molybdenum to the 430 base, improving pitting resistance and giving it the best corrosion performance …
436
436 is a niobium-stabilised ferritic stainless with the molybdenum addition of 434. The stabilisation makes it more suit…
439
439 is a stabilised 17–19% chromium ferritic stainless with low carbon and nitrogen, giving better formability, weldabil…
440A
440A is the lowest-carbon member of the 440 high-carbon martensitic series, trading a little attainable hardness for tou…
440B
440B is the middle member of the 440 series, with carbon between 440A and 440C, balancing edge hardness against toughnes…
440C
440C is a high-carbon martensitic stainless capable of the highest hardness of any standard stainless grade, used for be…
444
444 is a stabilised, molybdenum-bearing super-ferritic stainless whose pitting resistance rivals 316L while being immune…
446
446 is a high-chromium ferritic heat-resistant grade with outstanding oxidation and sulfidation resistance at high tempe…
904L
904L is a high-nickel, molybdenum- and copper-bearing super-austenitic stainless developed for sulfuric acid and hot chl…
A351 CF3
ASTM A351 CF3 is the cast equivalent of 304L: carbon capped at 0.03% so welded cast assemblies resist sensitization with…
A351 CF3M
ASTM A351 CF3M is the cast equivalent of 316L — molybdenum for chloride resistance plus ≤0.03% carbon so welded castings…
A351 CF8
ASTM A351 CF8 is the cast equivalent of 304 stainless: the standard material for corrosion-resistant valve bodies, pump …
A351 CF8M
ASTM A351 CF8M is the cast equivalent of 316 stainless — the molybdenum-bearing grade for chloride-bearing process strea…
Alloy 20
Alloy 20 is a niobium-stabilized nickel-iron-chromium alloy with molybdenum and copper, developed specifically for hot s…
S32760 (F55)
S32760 (sold as Zeron 100 / F55) is a super duplex stainless alloyed with tungsten and copper on top of the 25% chromium…
SUH35 (21-4N)
SUH35 is the JIS G4311 heat-resistant valve steel known worldwide as 21-4N: an austenitic Cr-Mn-Ni-N steel whose nitroge…