VANGUARD STEEL LTD.

VANGUARD STEEL LTD.

STEEL PRODUCT MANUAL

VANGUARD STEEL LTD.

PRODUCT MANUAL

INDEX

SECTIONS

CONTENTS

1. ALLOY STEELS

AISI 3312 AISI 4130 AISI 4140 AISI 4145 AISI 4340 AISI 8620 EN 30 B

2. COLD FINISHED STEELS

AISI 1018 AISI 12L14 AISI 1045 T&G CHROMED SHAFTING INDUCTION HARDENED SHAFTING AISI 4140 PRECISION

3. HOT ROLLED STEELS

AISI 1020 AISI 1040/1050

4. TOOL STEELS

AISI O-1 AISI A-2 AISI D-2 AISI H-13 AISI S-7

5. DRILLRODS

AISI W-1/O-1

6. FLATGROUND STOCK

AISI 0-1/A-2

7. MACHINING ALLOWANCES

PAGES

1-3 4-5 6-8 9 10-12 13-15 16

1-2 3 4-5 6-7 8-9 10

1 2-3

1 2 3 4 5

1-2

1-2

1

( CONTINUED) INDEX - PAGE 1

VANGUARD STEEL LTD.

PRODUCT MANUAL

INDEX

SECTIONS

CONTENTS

8. THEORETICAL WEIGHTS

ESTIMATING PURPOSES WEIGHT FORMULAS WEIGHT-ROUNDS WEIGHT-SQUARE WEIGHT-HEXAGONS WEIGHT-OCTAGON WEIGHT-FLATS

9. ALLOYING ELEMENTS IN STEEL

10. CHEMICAL COMPOSITIONS INDEXING SYSTEM CARBON STEELS ALLOY STEELS TOOL STEELS

11. CONVERSIONS

CONVERSION TABLES DECIMAL EQUIVALENTS TEMPERATURE TABLE IMPACT ENERGY VALUES STRESS VALUES KSI TO MPA HARDNESS TENSILE STRENGTH

12. GLOSSARY OF TERMS

13. COLOR CODES

14. MATERIAL SAFETY DATA SHEETS

PAGES

1 2-3 3-6 7 8 9 10-14

1-3 4-6 7-10 11-14

1 2 3-11 12 13-15 16-18 19-21

INDEX - PAGE 2

VANGUARD STEEL LTD.

PRODUCT MANUAL

SECTION 1.

ALLOY STEELS

VANGUARD STEEL LTD.

PRODUCT MANUAL

ALLOY STEELS - 3312

AISI /SAE 3312 (UNS G 33106)

A 3-1/2% NICKEL-CHROMIUM CASE HARDENING ALLOY STEEL

TYPICAL ANALYSIS

C.

Mn. P. MAX. S. MAX. Si.

Ni.

0.08/0.13 .045/0.60 0.025 0.025 0.20/0.35 3.25/3.75

Cr.

1.40/1.75

A HIGH ALLOY CARBURIZING STEEL POSSESSING SUPREME TOUGHNESS AND FATIGUE RESISTANCE IN BOTH CARBURIZED AND NON-CARBURIZED CONDITION. ITS ALLOY CONTENT PROVIDES EXTREMELY HIGH CORE STRENGTH, ALLOWING THIS STEEL TO BE USED FOR TOUGHER APPLICATIONS THAN THE WIDELY USED AISI 8620. IT CAN BE AIR HARDENED FOR MINIMAL DISTORTION WHEN HEAT TREATING INTRICATE SHAPES. IT RETAINS EXCELLENT LOW-TEMPERATURE PROPERTIES, AND AS SUCH IS USEFUL FOR SHOCK RESISTANT MACHINE PARTS IN AREAS SUBJECT TO INTENSE COLD. IT MAY BE USED IN THE HEAT-TREATED NONCARBURIZED CONDITION FOR APPLICATIONS REQUIRING EXTRA STRENGTH AND TOUGHNESS. NORMALLY, THIS GRADE IS SUPPLIED IN THE ANNEALED CONDITION.

TYPICAL APPLICATIONS

HEAVY DUTY GEARS, TRANSMISSION COMPONENTS, PINIONS, PISTON PINS, SPLINE SHAFTS, ROCK DRILLING BIT BODIES, PLASTIC MOLDS, ETC.

MECHANICAL PROPERTIES - ANNEALED

THE FOLLOWING ARE AVERAGE VALUES AND MAY BE CONSIDERED AS REPRESENTATIVE:

TENSILE STRENGTH, PSI YIELD STRENGTH, PSI ELONGATION, % REDUCTION IN AREA, % BRINELL HARDNESS

105,000 78,000 24 64 212

( CONTINUED)

SECTION 1 - PAGE 1

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