Type of Stainless Steel
Suppliers
Manufacturing Process
Specifications
Alloying Elements
100

This type of stainless includes all 300 series alloys

Austenitic

100

A long-term partner of C&B and is the main maxx round bar supplier

Marcegaglia (Outokumpu)

100

The process of taking larger feed stock through a die, to produce a smaller size. 

Cold Drawing

100

Method of testing that checks for surface defects

Eddy Current Testing

100

This is where the majority of raw material comes from for stainless steel.

Scrap Metal

200

This type of stainless includes 17-4, 15-5, 13-8

Precipitation Hardening (PH)

200

This supplier's entire melting and manufacturing process is completed in the U.S. and is focused on round bar and flat-roll products

North American Stainless (NAS)

200

The finishing process similar to grinding but for larger sizes.

Peeling

200

This specification covers the chemical requirements for wrought stainless steels used for the manufacture of surgical instruments

ASTM F899

200

To be considered free machining, add this element.

Sulfur

300

This type of stainless includes 410, 416, 420, 440C, 400 series

Martensitic

300

Production is primarily focused on stainless steels and specialty alloys, available in round, square, flat, & hexagonal. Their trademark material is called maxival.

Valbruna

300

This is a secondary melt furnace under vacuum conditions which removes both solid and gaseous impurities

VAR - Vacuum Arc Remelting furnace

300

A test report (cert) measures chemistry and _____ properties of a particular material

Physical

300

The L in 304/L and 316/L stands for

Low Carbon


400

This type of stainless includes 430, 430F

Ferritic

400

Production includes stainless flat, square, and hexagonal profiles – hot-rolled and cold-drawn. Mill is in Portugal.

Bollinghaus

400

This type of secondary furnace is used to further refine material after EAF, but with open air conditions.

Electro Slag Remelting (ESR)

400

On a test report for 17-4 annealed material, hardness is reported in both annealed (as shipped) and _____ condition

H900

400

This element gives stainless steel its corrosion resistance.

Chromium

500

This type of stainless includes LDX 2101, 2205, 2304

Duplex 

500

A global leader in high-performance specialty alloy-based materials and process solutions for critical applications in the aerospace, transportation, defense, energy, industrial, medical, and consumer electronics markets.

Carpenter

500

This type of furnace is an alternative primary melt to an EAF furnace. It is used for specialty grades that require the cleanest possible material.

Vacuum Induction Melting (VIM)

500

An add-on specification to AMS 5643 (for 17-4) 

AS6279

500

18-8 (Cr-Ni) is this alloy.

304

M
e
n
u