3/8x3.1/2x36 A-2 Flat Stock 1-8552-54649 L.S. Starrett

Occupational safeguard health and safety personal protection lines of equipment at the elevated Industrial & Scientific. Planning for the future will be a grandeur, good project if you take 3/8x3.1/2x36 A-2 Flat Stock into the account. L.S. Starrett is an expert in safeguard process optimization, worries manufacturing efficiency, and lowering production costs. Now you can afford to supply your department of research with new line of reasonably priced equipment and consumables.

No. 497 Air Hardening – Standard
FEATURES:

• The 5% chromium content makes this steel especially desirable for punches and dies to be used in long production runs since it gives the tools far longer life. Up to 50% more pieces per sharpening can be produced than with oil hardening steel.
• Full-length identification eliminates confusion with other steels.
• Maintains close dimensional accuracy throughout the heat treating process. The wide 75° hardening range makes this virtually foolproof.
• High wear resistance is also ideal for punches and dies to stamp silicon, stainless steels, monel metal, and other types of abrasive material.

HARDENING:

• Wide hardening range of 1, 700°F to 1, 775°F, with 1, 750°F recommended for most work.
• For heavier sections use the high side of the range.
• Heat uniformly throughout but do not soak longer than necessary.
• Cool in still air.
• No pre-heat is required if pack or atmosphere controlled furnace methods are used, but with the open furnace method a pre-heat of 1, 450° F is recommended.

TEMPERING:

• A tempering time of two hours at 1, 700°F to 1, 775°F is recommended (quench – still air, Rockwell C – 63.5 to 65).
• For maximum toughness, double temper for two hours at each temperature recommended.
• Following table may also be used as a guide, depending on type of work:

– Light blanking punches and dies: 400°F to 425°F. – Heavy blanking punches and dies: 700°F. – Annealing: 1, 525°F to 1, 575°F. Furnace cool at no more than 50° per hour to 800° for maximum softness.
TOLERANCES:

• Thickness – ±.001'.
• Width – Up to 8' + .000/.005', 9' and over + .000/.015', squares ± .010'.
• Length – 18'+1/4' / 36'+5/8', Saw cut oversize to allow for finish cutting.
• Squareness – Edge All: .003 per inch, Finish: 35 microinch or finer.

NOMINAL ANALYSIS (AISI A2):

• Carbon – 1.00
• Chromium – 5.25
• Manganese – .60
• Tungsten – 1.00
• Silicon – .40
• Vanadium – .25

ALSO AVAILABLE (Please Inquire):

• 18' and 36' A2 Air Hardening – Oversize.
• 18' and 36' A6 Air Hardening – Standard.
• 18' and 36' A6 Air Hardening – Oversize.

3/8X3.1/2X36 STARRETT A-2 FLAT STOCK

Length : 36'
Thickness : 3/8'
Type : A2 Air Hardening
Width : 3-1/2'

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