Composition Comparison Graph For The
Knife Steels Cooks Steels Pneumo, George H Cook & Co Pneumo

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Ranges As Averages
Show Composition As:	Mass % Atom Count Molar Mass%
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Show The Following Elements

	C		Cr		W		V
	Mo		Co		Nb		N
	Mn		Ni		Si		Cu
			P		S

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Name	Base	C	Cr	Mo	V	W	Co	Ni	Mn	Si	S	P	Cu	Nb	N	Tech	Maker	CC
Name	Base	C	Cr	Mo	V	W	Co	Ni	Mn	Si	S	P	Cu	Nb	N	Tech	Maker	CC
Pneumo(UK) S1* X60CrWV7 45WCrV7 50WCrV8 45WCrV17 1.2250 1.2542 60WCrV8 45WCrV8 SKS4 2710 55WC20 45WCrV8 BS1 2542 58WCr9KU 45WCrV8KU 45WCrV8 6CrW2SI 5CrW2Si 19732 19733 C.6443 45WCrSi8 F.5241 F.5242 5HW2SF 4Ch2VS 6ChV2S 5KHV2SF T41901 45VSiCrW20 NZ2* Seminole Hard Top Notch Falcon 6&4 N PCSK BE2542 67Chisel UHB Regin 3 Regin 3 Vibro Excelo BCC Buster Atha Pneu NU-DIE XTRA CSM13 Keystone Alloy Chisel CCW Cromodie J.S. Punch Pneumo GGD-S1 H&R No.225 CHD1 Searcher Ok Crown H50 PK XL-Chisel LO-K 2550 OSIKRO2 KLAH ALHD EPM FMP399 FMP329 TENAX N Tenax S 2P JE K960 KE960 KEA145 Noresco Tyrant Extra Commando Super TKL TKL Stora18 Stora67 Thyrodur2550 Cyclops S1 Alco-M Alco-S Par-Exc VW3 VMC Maxtuff	Fe	0.45-​0.55	1.25-​1.75	0.40	0.15-​0.30	1.00-​3.00	?	?	0.20-​0.40	0.25-​0.45	0.03	0.03	?	?	?		Cooks Steels	UK
Pneumo(UK) S1* X60CrWV7 45WCrV7 50WCrV8 45WCrV17 1.2250 1.2542 60WCrV8 45WCrV8 SKS4 2710 55WC20 45WCrV8 BS1 2542 58WCr9KU 45WCrV8KU 45WCrV8 6CrW2SI 5CrW2Si 19732 19733 C.6443 45WCrSi8 F.5241 F.5242 5HW2SF 4Ch2VS 6ChV2S 5KHV2SF T41901 45VSiCrW20 NZ2* Seminole Hard Top Notch Falcon 6&4 N PCSK BE2542 67Chisel UHB Regin 3 Regin 3 Vibro Excelo BCC Buster Pneumo Atha Pneu NU-DIE XTRA CSM13 Keystone Alloy Chisel CCW Cromodie J.S. Punch GGD-S1 H&R No.225 CHD1 Searcher Ok Crown H50 PK XL-Chisel LO-K 2550 OSIKRO2 KLAH ALHD EPM FMP399 FMP329 TENAX N Tenax S 2P JE K960 KE960 KEA145 Noresco Tyrant Extra Commando Super TKL TKL Stora18 Stora67 Thyrodur2550 Cyclops S1 Alco-M Alco-S Par-Exc VW3 VMC Maxtuff	Fe	0.45-​0.55	1.25-​1.75	0.40	0.15-​0.30	1.00-​3.00	?	?	0.20-​0.40	0.25-​0.45	0.03	0.03	?	?	?		George H Cook & Co	UK