Table of alloys
Ductile iron
Alloy UTS YS (ksi) elong. (%) Typical hardness (BHN) Description ASTM equivalence
SF60 65 45 12,5 140-225 Ductile Iron ASTM A 536 cl. 65-45-12
SF6018 60 40 18 140-190 Ductile Iron ASTM A 536 cl.60-40-18
SP80 80 55 6 180-250 Ductile Iron ASTM A536 cl 80-55-06
SH100 100 70 3 210-300 Ductile Iron ASTM A536 cl 100-70-03


Gray iron
Alloy UTS YS (ksi) elong. (%) Typical hardness (BHN) Description ASTM equivalence
GE30 30 160-210 Gray Iron ASTM A48 cl 30
GC40 40 170-230 Gray Iron ASTM A48 cl 40
GA50 50 190-250 Gray Iron ASTM A48 cl 50
GM60 55 210-280 Gray Iron ASTM A48 cl 60
CGI350 50 35 1 163-229 Compacted graphite Iron ASTM A842 Grade 350


Heat resistant iron
Alloy UTS YS (ksi) elong. (%) Typical hardness (BHN) Description ASTM equivalence
HE 25 170-210 Gray Iron ASTM A319 cl I
HE6 25 170-250 Gray Iron ASTM A319 cl I type A mod.
HE3 25 170-250 Gray Iron ASTM A319 cl I type B
HESP 25 170-250 Gray Iron ASTM A319 cl II type A mod.
HE1 25 170-250 Gray Iron ASTM A319 cl II type C
HE5 25 170-250 ASTM A319 cl II type D Gray Iron
HR 40 300-370 Abrasion Resistant Cast Iron ASTM A319 cl III type D
HS 60-100 45-75 2-10 200-280 Ductile Iron


Abrasion resistant iron
Alloy UTS YS (ksi) elong. (%) Typical hardness (BHN) Description ASTM equivalence
CT4 500-750 Abrasion Resistant Cast Iron ASTM A532 cl II type B mod
CT4C 450-700 Abrasion Resistant Cast Iron ASTM A532 cl II type B mod
CT4HC 550-750 Abrasion Resistant Cast Iron ASTM A532 cl II type B mod
CT5C 500-700 Abrasion Resistant Cast Iron ASTM A532 cl II type B mod
HC250 350-650 Abrasion Resistant Cast Iron ASTM A532 cl III type A
NH1 500-700 Abrasion Resistant Cast Iron ASTM A532 cl I type A
NH2 550-700 Abrasion Resistant Cast Iron ASTM A532 cl I type B
NH4 500-700 Abrasion Resistant Cast Iron ASTM A532 cl I type D
NH11 550 min Abrasion Resistant Cast Iron ASTM A532 cl I type A
WE Chilled: 450-550
gray: 180-240
Gray Iron & Abrasion r. Cast Iron
WT15 300-450 Ductile Iron ASTM A536 cl 120-90-02


Corrosion resistant iron
Alloy UTS YS (ksi) elong. (%) Typical hardness (BHN) Description ASTM equivalence
NR1 25 131-183 Austenitic Gray Iron ASTM A436 type 1
NR12 30 149-212 Austenitic Gray Iron ASTM A436 type 1B
NR4 25 118-174 Austenitic Gray Iron ASTM A436 type 2
NR10 25 118-159 Austenitic Gray Iron ASTM A436 type 3
NR9 25 149-212 Austenitic Gray Iron ASTM A436 type 4
NR8 20 99-124 Austenitic Gray Iron ASTM A436 type 5
NR2 58 30 8 139-202 Austenitic Gray Iron ASTM A439 type D-2
CRS2 58 30 7 148-211 Austenitic Gray Iron ASTM A439 type D-2B
NR6 58 28 20 121-171 Austenitic Gray Iron ASTM A439 type D-2C
NR11 55 30 6 139-202 Austenitic Gray Iron ASTM A439 type D-3
NR5 55 30 10 131-193 Austenitic Gray Iron ASTM A439 type D-3A


Abrasion resistant Steel
Alloy UTS YS (ksi) elong. (%) Typical hardness (BHN) Description AISI
AC1 550-600 Martensitic Stainless Steel 440C
AP1 300-350 Chrome-Moly Steel (perlitic)
AP2 325-375 Chrome-Moly Steel (perlitic)
AP3 350-400 Chrome-Moly Steel (perlitic)


Heat resistant steel
Alloy UTS YS (ksi) elong. (%) Typical hardness (BHN) Description ASTM equivalence AISI SAE
HC 55 190 Heat Resistant Steel ASTM A297 type HC 446 70446
HC2NI 55 223 Heat Resistant Steel ASTM A297 type HC
(with 2% Ni min)
446 70446
HD 190 Heat Resistant Steel ASTM A297 type HD 327 70327
HF 70 35 25 165 Heat Resistant Steel ASTM A297 type HF 302B 70308
HH 75 35 10 180 Heat Resistant Steel ASTM A297 type HH 309 70309
HI 180 Heat Resistant Steel ASTM A297 type HI
HK 65 35 10 170 Heat Resistant Steel ASTM A297 type HK 310 70310
HT 65 4 180 Heat Resistant Steel ASTM A297 type HT 330 70330
HU 65 4 170 Heat Resistant Steel ASTM A297 type HU N/A 70331
HX 60 176 Heat Resistant Steel ASTM A297 type HX N/A 70335


Corrosion resistant steel
Alloy UTS YS (ksi) elong. (%) Typical hardness (BHN) Description ASTM equivalence AISI SAE
CA15 115 100 20 260 max Stainless Steel (martensitic) ASTM A743 type CA15 410 60410
CA40 100 70 15 269 max Stainless Steel (martensitic) ASTM A743 type CA40 420 60420
CA6NM 110 80 15 285 max Stainless Steel (martensitic) ASTM A743 type CA6NM N/A N/A
CB7CU1 145 115 9 319 Stainless precipitation hardening
(martensite satured with copper)
ASTM A747 CB7CU1 17-4PH N/A
CD4MCU 100 70 16 N/A Stainless Steel Duplex
(austenitic/ferritic)
ASTM A890 grade 1A N/A N/A
CF8 70 30 30 N/A Stainless Steel (austenitic) ASTM A743 type CF8 304 60304
CF8M 70 30 30 N/A Stainless Steel (austenitic) ASTM A743 type CF8M 316 60316
CG8M 70 30 30 N/A Stainless Steel (austenitic) ASTM A743 type CG8M 317
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