Archive for January, 2013

Your Source for Automatic Drills, Multiple Spindle Heads, and more

AutoDrill Multi Spindle Heads

We have a large selection of multi spindle heads to satisfy your drilling & tapping needs.

We can offer fixed spindle drill & tap heads:

Custom Gear Driven Drill & Tap HeadFour and Six Spindle Geared Drill and Tap Heads Four Spindle Geared Drill and Tap Head

We can offer adjustable gear driven drill & tap heads:

Three Spindle Bolt Circle Geared Drill and Tap Head - BCD or PCDTwo Spindle Gear Driven Adjustable Drill and Tap Head

We can offer universal joint drill & tap heads:

Universal Arm Head

Universal Arm Head

 

Please CONTACT US to discuss your application and receive prompt product cost, literature and technical help.

Martinensitic Stainless Steels

MartinensiticStainlessSteelsChart.pdf

400 Series Martensitic Stainless Steels
Grade C Mn Si Cr Ni Mo P S Comments/Applications
410 0.15 1.0 0.5 11.5-13.0 0.04 0.03 The basic composition.  Used for cutlery, steam and gas turbine blades and buckets, bushings…
416 0.15 1.25 1.0 12.0-14.0 0.60 0.04 0.15 Addition of sulphur for machinability, used for screws, gears etc.  416 Se replaces sulphur by selenium.
420 0.15-0.40 1.0 1.0 12.0-14.0 0.04 0.03 Dental and surgical instruments, cutlery….
431 0.20 1.0 1.0 15.0-17.0 1.25-2.0 0.04 0.03 Enhanced corosion resistance, high strength.
440A 0.60-0.75 1.0 1.0 16.0-18.0 0.75 0.04 0.03 Ball bearings and races, gauge blocks, molds and dies, cutlery.
440B 0.75-0.95 1.0 1.0 16.0-18.0 0.75 0.04 0.03 As 440A, higher hardness
440C 0.95-1.20 1.0 1.0 16.0-18.0 0.75 0.04 0.03 As 440B, higher hardness

Steel Alloy Designation System

SteelAlloyDesignationSystemChart.pdf

Steel Alloy Designation System
 AISI-SAE  Designation Number Type and Description
Carbon Steels 
10xx Plain Carbon (Mn. 1.00% max.)
11xx Resulfurized
12xx Resulfurized and rephosphorized
15xx Plain Carbon (max. Mn. Range 1.00 – 1.65%)
Manganese steels
13xx Mn 1.75
Nickel steels
23xx Ni 3.50
25xx Ni 5.00
Nickel-chromium steels
31xx Ni 1.25; Cr 0.65, 0.80
32xx Ni 1.75; Cr 1.07
33xx Ni 3.50; Cr 1.50, 1.57
34xx Ni 3.00; Cr 0.77
Molybdenum steels
40xx Mo 0.20, 0.25
44xx Mo 0.40, 0.52
Chromium-molybdenum steels
41xx Cr 0.50, 0.80, 0.95; Mo 0.12, 0.20, 0.25, 0.30
Nickel-chromium-molybdenum steels
43xx Ni 1.82; Cr 0.50, 0.80; Mo 0.25
43BVxx Ni 1.82; Cr 0.50; Mo 0.12, 0.25; V 0.03 min.
47xx Ni 1.05; Cr 0.45; Mo 0.20, 0.35
S1xx Ni 0.30; Cr 0.40; Mo 0.12
86xx Ni 0.55; Cr 0.50; Mo 0.20
87xx Ni 0.55; Cr 0.50; Mo 0.25
88xx Ni 0.55; Cr 0.50; Mo 0.35
93xx Ni 3.25; Cr 1.20; Mo 0.12
94xx Ni 0.45; Cr 0.40; Mo 0.12
97xx Ni 1.00; Cr 0.20; Mo 0.20
98xx Ni 1.00; Cr 0.80; Mo 0.25
Nickel-molybdenum steels
46xx Ni 0.85, 1.82; Mo 0.20, 0.25
48xx Ni 3.50; Mo 0.25
50xx Cr 0.27, 0.40, 0.50, 0.65
51xx Cr 0.80, 0.87, 0.92, 0.95, 1.00, 1.05
50xxx Cr 0.50; C 1.00 min.
51xxx Cr 1.02; C 1.00 min.
52xxx Cr 1.45; C 1.00 min.
Chromium-vanadium steels
61xx Cr 0.60, 0.80, 0.95; V 0.10, 0.15
Tungsten-chromium steels
92xx Si 1.40, 2.00; Mn 0.65, 0.82, 0.85; Cr 0.00, 0.65
Silicon-manganese steels
92xx Si 1.40, 2.00; Mn 0.65, 0.82, 0.85; Cr 0.00, 0.65
High-strength low-alloy steels
9xx Various SAE grades
Boron steels
xxBxx B denotes boron steels
Leaded steels
xxLxx L denotes leaded steels