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Steel Type Grade

Summary of Properties

Nominal Chemical Analysis %

Related Standards

Specified Mechanical Properties

Heat Treatment

C Mn Cr Mo Ni V Mb Cu N & Specifications Limiting Minimum Tensile Properties Impact Properties Hardness
Ruling UTS 0.2 % PS EL R of A Charpy `V` Notch ( Max )
Section ksi ksi % % Joules Temp HB
Carbon LF2 Standard carbon flange steel with notch 0.15 1.20 12 12 12 Optional V/Nb 1 1 ASTM A350 1 70 36 22 30 20 "-50F" 197 As specified by customer
Steels 12 toughness 12 12 12 2 to customer requirements 1 1 1 1 1 1 1 1 1 1 1
12 X65 Higher strength, tough weldable steel with 0.08 1.30 12 12 1 1 1 1 1 API 5LX 6" 77 65 1 1 50 "-50F" 1 Water quenched &
12 Flanged Steel good resistance to Hydrogen Induced Cracking 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 tempered
1 1 1 1 11 11 1
Alloy 4130 Standard 0.3% C CrMo steel with good 0.30 0.50 1.00 0.20 1 1 1 1 1 API 6A Type 2 2" 100 80 16 35 1 1 235 Water quenched &
Steels 1 combination of strength and toughness 1 1 1 1 1 1 1 1 1 NACE MR0175 12 1/4" 90 80 18 35 20 "-75F" 235 tempered
1 1 1 1 1 1 1 1 1 1 1 1 AISI 4130 1 1 1 1 1 1 1 1 1
1 4140 Standard 0.4% C CrMo steel for use at higher 0.40 0.80 1.00 0.20 1 1 1 1 1 API 6A Type 2 3" 140 110 14 35 1 1 341 Oil/Water quenched &
1 1 strength levels 1 1 1 1 1 1 1 1 1 NACE MR0175 7" 120 100 14 30 40 "23C" 302 tempered
1 1 1 1 1 1 1 1 1 1 1 1 AISI 4140 7" 100 80 20 40 54 "23C" 235 1
1 4140 Mod Enhanced hardenability version of 4140 for 0.40 0.80 1.00 0.33 1 1 1 1 1 NACE MR0175 10" 100 80 20 40 54 "23C" 235 Oil/Water quenched &
1 1 larger section sizes 1 1 1 1 1 1 1 1 1 1 14 3/8" 100 80 20 40 1 1 1 tempered
1 4145 Standard 0.45% C CrMo steel for high strength 0.45 0.90 1.00 0.20 1 1 1 1 1 API Sections 4/5/6 6 1/2" 140 110 13 40 54 "23C" 341 Oil/Water quenched &
1 1 in medium section sizes 1 1 1 1 1 1 1 1 1 AISI 4145 1 1 1 1 1 1 1 1 tempered
1 4145 Mod Enhanced hardenability version of 4145 for 0.47 1.10 1.10 0.33 1 1 1 1 1 API Sections 4/5/6 6 7/8" 140 120 13 40 54 "23C" 341 Oil/Water quenched &
1 1 larger section sizes, suitable for drill collars 1 1 1 1 1 1 1 1 1 1 12 1/4" 135 110 13 40 54 "23C" 341 tempered
1 9Cr1Mo High strength alloy steel with corrosion 0.12 0.50 9.00 1.00 1 1 1 1 1 ASTM A199 11" 100 80 20 40 54 "23C" 235 Oil quenched &
1 1 resistance superior to the 41xx series 1 1 1 1 1 1 1 1 1 ASTM A213 1 1 1 1 1 1 1 1 double tempered
1 1 1 1 1 1 1 1 1 1 1 1 NACE MR0175 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1
Martensitic 410 13% Cr steel with high strength and better 0.10 0.50 13.00 1 1 1 1 1 1 ASTM A276 10" 100 80 20 40 20 "-10C" 235 Oil quenched &
Stainless 1 corrosion resistance than alloy steel 1 1 1 1 1 1 1 1 1 ASTM A479 1 1 1 1 1 1 1 1 tempered
Steels 1 1 1 1 1 1 1 1 1 1 1 NACE MR0175 1 1 1 1 1 1 1 1 1
1 420 Lower ferrite 13% Cr steel for improved 0.20 0.80 13.00 1 1 1 1 1 1 ASTM A276 6" 110 90 17 35 1 1 260 Oil quenched & tempered/
1 1 corrosion resistance and enhanced workability 1 1 1 1 1 1 1 1 1 1 6" 100 85 20 40 15 "-10C" 241 double tempered
1 F6NM 13% Cr steel with excellent low temperature 0.02 0.70 13.00 0.35 4.00 1 1 1 1 UNS 42400 6" 100 80 15 35 42 "-60C" 241 Air hardened &
1 1 impact properties and corrosion resistance 1 1 1 1 1 1 1 1 1 NACE MR0175 1 1 1 1 1 1 1 1 double tempered
1 1 1 0.02 0.70 13.00 0.55 4.00 1 1 1 1 ASTM A182 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1
Precipitation 520B Machinable corrosion resistant steel with 0.05 0.80 13.50 1.50 5.50 1 0.30 1.70 1 1 1 180 150 10 1 20 IZOD 1 Solution treated & aged
Hardening 1 freedom from distortion on heat treatment to 1 1 1 1 1 1 1 1 1 1 1 160 150 12 1 27 @ 1 1
Stainless 1 high strengths 1 1 1 1 1 1 1 1 1 1 1 135 110 15 1 54 "23C" 1 1
Steels 17/4 Improved corrosion resistant age-hardening 0.05 0.80 16.00 1 4.00 1 0.30 3.50 1 UNS S17400 Condition 1 1 1 1 1 1 1 1
1 1 stainless steel with minimal distortion and 1 1 1 1 1 1 1 1 1 ASTM A564 H900 190 170 10 40 1 1 448 Solution treated & aged
1 1 scaling on heat treating after machining 1 1 1 1 1 1 1 1 1 NACE MR0175 H1150 135 105 16 50 41 "23C" 352 1
1 1 1 1 1 1 1 1 1 1 1 1 W 1.4548 H1150M 115 75 18 55 74 "23C" 293 1
1 1 1 1 1 1 1
Austenitic 304 Standard stainless steels for high corrosion 0.04 1.50 18.50 1 9.00 1 1 1 1 ASTM A182 1 75 30 30 50 1 1 1 Solution treated &
Stainless 304L resistance 0.02 1.50 18.50 1 10.50 1 1 1 1 1 1 70 25 30 50 1 1 1 quenched
Steels 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 316 Standard stainless steels for corrosion 0.04 1.50 17.00 2.50 12.50 1 1 1 1 ASTM A182 1 75 30 30 50 1 1 1 Solution treated &
1 316L resistance higher than 304 types 0.02 1.50 17.00 2.50 13.00 1 1 1 1 1 1 70 25 30 50 1 1 1 quenched
1 316LN 1 0.02 1.50 17.00 2.50 12.00 1 1 1 0.14 1 1 75 30 30 50 1 1 1 1
1 NB. Improved machinable versions of austenitic steels ( prefixed IM ) are also available 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1
Duplex 22/5 Higher strength steel with superior resistance 0.02 1.50 22.60 3.00 5.50 1 1 11 0.17 ASTM A182 1 90 65 25 45 1 1 1 Solution treated &
Stainless 1 to stress corrosion cracking for chloride and/or 1 1 1 1 1 1 1 11 1 UNS S31803 1 1 1 1 1 1 1 1 quenched
Steels 1 sour gas conditions 1 1 1 1 1 1 1 11 1 NACE MR0175 1 1 1 1 1 1 1 1 1
1 25/7 Higher Cr duplex for improved pitting & 0.02 1.20 25.00 3.00 7.00 1 1 11 0.17 1 1 100 70 25 45 1 1 1 Solution treated &
1 1 corrosion resistance 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 quenched
1 Super Duplex Enhanced higher strength duplex steel with high 0.02 0.50 25.50 3.50 7.00 1 1 0.70 0.23 UNS S32760 1 110 80 25 1 1 1 1 Solution treated &
1 1 resistance to chloride stress corrosion cracking 1 1 1 1 1 1 1 "+0.70%W" 1 1 1 1 1 1 1 1 1 1 quenched