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Materials

Iron 

  • All Classes of Grey Iron
  • All Grades of Ductile Iron
  • White Iron
  • Ni-Resist
  • Malleable Iron

Carbon Steel

  • WCB
  • WCA
  • WCC
  • LCB
  • LCC
  • CE41/CE43
  • ASTM A27

Stainless Steel

  • CF3
  • CF3M
  • CF8
  • CF8M
  • CF8C
  • CG3M
  • CG8M
  • 303B
  • CF16F
  • CA15
  • 416
  • CA40
  • CA6NM
  • 431
  • STG11T
  • CB30
  • CN7M
  • CN3MCu
  • 904L
  • CN3NM
  • CF3MN
  • CG6MMN
  • CF10SMnN
  • CK3MCuN
  • Cu5MCuC

High Temperature

  • HK30
  • HK30 Mod
  • HK40
  • HH
  • HL
  • HK
  • CH20
  • CH20 Mod
  • CK20
  • HT

Low-Alloy Steel

  • 90/60
  • 105/85
  • 120/95
  • 150/125
  • 165/150
  • 4130/4140
  • 4340
  • 8620
  • WC1
  • WC6
  • WC9
  • C5
  • C12
  • 8640
  • 6150
  • 4620
  • 4150
  • STG50
  • STG32T
  • 1065
  • LC2
  • LC3
  • ASTM A 487

Duplex Alloys

  • 6A/CD3MWCuN
  • 5A/CE3MN
  • 4A/CD3MN
  • 3A/CD6MN
  • 2A/CE8MN
  • 1A/CD4MCu
  • 1B/CD4MCuN

Precipitating Hardening

  • 17-4PH
  • 155PH

Monels

  • M35
  • Comp B
  • Comp C
  • Comp D
  • M30C
  • M30H
  • M25S

Nickel Base

  • CY40
  • N12MV
  • CW12MW
  • CW6MC
  • CW2M
  • CW6M
  • CZ100
  • Hast G30
  • Inconel 600
  • Inconel 611
  • Inconel 657
  • CX2MW
  • N7M
  • HX

Abrasive/Tool Steel

  • D2
  • M2
  • M52
  • CS7
  • NiHard
  • D7
  • A2
  • 52-100
  • ASTM A532 Cl. III
  • Hadfield B2
  • 440C

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Our Value

  • Why SIGMA OEM
  • Quality
  • Global Expertise
  • Processes Expertise
  • Industries Expertise
  • Supply Chain Management
  • Customized Service Models

Recent OEM Insights Blog

#GlobalSourcerer, SIGMA’s Superhero of the Supply Chain

**NEW** SIGMA OEM Products Catalog

Mitchell Rona, Executive Vice President, #GlobalSourcerer, works from his home office

Introducing New SIGMA OEM Team Members

Quality - Service - Commitment - Delivered.  

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