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Material Composition General

The document summarizes various steel types including their chemical composition, properties, and related standards. It describes carbon steels, alloy steels, martensitic stainless steels, precipitation hardening stainless steels, austenitic stainless steels, and duplex stainless steels. For each type and grade, it provides the nominal chemical analysis including carbon, manganese, chromium, molybdenum and other elements. It also lists the typical properties and applicable industry standards.

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Balaji RG
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115 views1 page

Material Composition General

The document summarizes various steel types including their chemical composition, properties, and related standards. It describes carbon steels, alloy steels, martensitic stainless steels, precipitation hardening stainless steels, austenitic stainless steels, and duplex stainless steels. For each type and grade, it provides the nominal chemical analysis including carbon, manganese, chromium, molybdenum and other elements. It also lists the typical properties and applicable industry standards.

Uploaded by

Balaji RG
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Steel Type Grade Summary of Properties Nominal Chemical Analysis % Related Standards
C Mn Cr Mo Ni V Mb Cu N & Specifications

Carbon LF2 Standard carbon flange steel with notch 0.15 1.20 12 12 12 Optional 1 1 ASTM A350
V/Nb
Steels 12 toughness 12 12 12 2 to customer requirements 1
12 X65 Higher strength, tough weldable steel with 0.08 1.30 12 12 1 1 1 1 1 API 5LX
12 Flanged Steel good resistance to Hydrogen Induced Cracking 1 1 1 1 1 1 1 1 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
Steels 1 combination of strength and toughness 1 1 1 1 1 1 1 1 1 NACE MR0175
1 1 1 1 1 1 1 1 1 1 1 1 AISI 4130
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
1 1 strength levels 1 1 1 1 1 1 1 1 1 NACE MR0175
1 1 1 1 1 1 1 1 1 1 1 1 AISI 4140
1 4140 Mod Enhanced hardenability version of 4140 for 0.40 0.80 1.00 0.33 1 1 1 1 1 NACE MR0175
1 1 larger section sizes 1 1 1 1 1 1 1 1 1
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
1 1 in medium section sizes 1 1 1 1 1 1 1 1 1 AISI 4145
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
1 1 larger section sizes, suitable for drill collars 1 1 1 1 1 1 1 1 1
1 9Cr1Mo High strength alloy steel with corrosion 0.12 0.50 9.00 1.00 1 1 1 1 1 ASTM A199
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 1 1 1 1 NACE MR0175

Martensitic 410 13% Cr steel with high strength and better 0.10 0.50 13.00 1 1 1 1 1 1 ASTM A276
Stainless 1 corrosion resistance than alloy steel 1 1 1 1 1 1 1 1 1 ASTM A479
Steels 1 1 1 1 1 1 1 1 1 1 1 NACE MR0175
1 420 Lower ferrite 13% Cr steel for improved 0.20 0.80 13.00 1 1 1 1 1 1 ASTM A276

1 1 corrosion resistance and enhanced workability 1 1 1 1 1 1 1 1 1


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
1 1 impact properties and corrosion resistance 1 1 1 1 1 1 1 1 1 NACE MR0175
1 1 1 0.02 0.70 13.00 0.55 4.00 1 1 1 1 ASTM A182

Precipitation 520B Machinable corrosion resistant steel with 0.05 0.80 13.50 1.50 5.50 1 0.30 1.70 1
Hardening 1 freedom from distortion on heat treatment to 1 1 1 1 1 1 1 1 1
Stainless 1 high strengths 1 1 1 1 1 1 1 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
1 1 stainless steel with minimal distortion and 1 1 1 1 1 1 1 1 1 ASTM A564
1 1 scaling on heat treating after machining 1 1 1 1 1 1 1 1 1 NACE MR0175
1 1 1 1 1 1 1 1 1 1 1 1 W 1.4548

Austenitic 304 Standard stainless steels for high corrosion 0.04 1.50 18.50 1 9.00 1 1 1 1 ASTM A182
Stainless 304L resistance 0.02 1.50 18.50 1 10.50 1 1 1 1
Steels 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 316L resistance higher than 304 types 0.02 1.50 17.00 2.50 13.00 1 1 1 1
1 316LN 1 0.02 1.50 17.00 2.50 12.00 1 1 1 0.14
1 NB. Improved machinable versions of austenitic steels ( prefixed IM ) are also
available

Duplex 22/5 Higher strength steel with superior resistance 0.02 1.50 22.60 3.00 5.50 1 1 0.17
11 ASTM A182
Stainless 1 to stress corrosion cracking for chloride and/or 1 1 1 1 1 1 1 1 11 UNS S31803
Steels 1 sour gas conditions 1 1 1 1 1 1 1 1 11 NACE MR0175
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 corrosion resistance 1 1 1 1 1 1 1 11 1
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 1 resistance to chloride stress corrosion cracking 1 1 1 1 1 1 1 "+0.70%W" 1

25/May/2010

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