Approvals Bell Helicopter Heat Treating - VAC AERO International - #2

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QPS Code

BPS Category

Code Code Description

L-K 1

FLT

4453 IH1 PR1

4462 SN1

4139 XA5

4140 XB 4140 XII 4140 Xi 4140 XI

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APPROVED FOR FLIGHT SAFETY, CRITICAL, AND PRIMA

INSPECTION, COND WROUGHT ALUMINUM ALLOY SHEET,

BAR, PLATE, FORCINGS * '^cvnrRUSIONS TO DETERMINE HEAT TREAT.

APPROVED FOR PRIMAB TS

FORMING TITANIUM SH OLD FORMING

HEAT TREATMENT OF A UM ALLOY 2024 LESS THAN .036 INCH

(HAND/SPECIAL QUENCH)~(INCLUDES XA1, XA2, XA3, XA4).

HI )Y STEEL, SEO 2

HI > STEEL, SECT. 3

HE , I ¹ l^tl " l i'" >« G AND PH STEELS, SECT. 4

H! A I IF i 1 1¹ >• rl AM) I - f ,

in

N

N

N Y

N

N N N

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Austenitizing (Hardening) - 2(Ar,H2,N2), 12(Vacuum with Internal Oil Quench) Tempeneg (1100°F and below) - j if) 1 ICJl Ar, H2,N2), 8,9,11 14 I Hi all Vacuum) Tempering (1150°F and below) - 4,5,7(all Air) Tempering (1000°F and below) - 15(Air) Tempering (1200°F and 1250°F, e.g. 4130, 4135, 4140, 4340 at 100 and 125 KSI mm) - 8,9,14,18(all Vacuum) Normalizing, Annealing - 2,10,11 (all Ar,H2,N2), 8,9,12,14,18(all vacuum) Stress Relieving - 2,10,11 (all Ar,H2,N2) 4, 5, 7,15(ali Air), 8,9,12,14,18(all Vacuum) Stainless Steel - XH: Annealing - 2,10,11 (all Ar,H2,N2), 8,9,12,14,18(AU Vacuum) Austenitizing (Hardening 400 series) - 14,18( Vacuum) Stress Relieving (300 series except 321/347) - 2,10,1 Kail Ar,H2,N2), 4,5,7,15 (all Air) Stress Relieving (321/347, between 800-1100°F) - 8,9.12.14,18 (all" V tcuuni) Tempering and Stress Relieving (400 series, below 1100°F) - 2,10 1 Kail Ar, FI2,N2), 4,5,7,10 i« Air), 8,9,12,14,18(all Vacuum) I'H Steel - XI: Homogenization - 2,10,1 l(all Ar,H2,N2), 9,14,18 (all Vacuum) Solution Eleat Treating I ¹ i' (Vacuum) Austenite i onditioning - 2,10,1 Kail Ar,H2,N2) 8,9,12,14,18(ali Vacuum) Precipitation Hardening (1100°F and b i-.u, 2 JO 1 Kail three Ar,H2,N2), r.\12,14,18(all Vacuum) Precipitation i L , L...iit Ml*' °F and below) - 4,5,7(all Air) Precipitation Hardening (1000°F and below) - 15 (Air) Maraging (18% Ni) - 2,10,1 Hall Ar, H2, N2) 8,9,12,14,18(all Vacuum), 4 Z 7,l50ll Air) Ultu High Strength - XL For 52100, 4330V and 300M Austenitizing - 12(Vacuum with Internal Oil Quench) Tempering - 4,5,7,15(all Air) Normalizing and Annealing-2,10,11 (all Ai fi: N2), 8 9 12,14 IS Oil Vacuum) Fui HI 1 and I LP IFudening 14J8( Vacuum) 1st Temper - 8,9,14,18(all Vacuum) 2nd and 3rd Iutiv r 8,9 14,18(all V i 'mm;;; 1 10 i lLdl Vr. II¹ NO 1 iv Aermet 100 Austenitizing - 12( Vacuum with internal Oil Quench) Deep Oe^fOOOU ) t s- '\_g.,_M 4?Tv)ibAnj htanium X! R- Stress Relieving - 8,9,12,14,18(all Vacuum), 2,10,11 (all Ar, H2, N2) SN1 « .(mud .(..ur.v.idnv* < ni, KVa 10/4,LK,:.13I"),; T8h,1435, 1554. 1712 and 1798