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Threading Solutions - Vargus

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Recommended Grades and Cutting Speeds Vc [ft/min]<br />

Mini and Micro<br />

Vc[ft/min]<br />

Material<br />

Unalloyed steel<br />

Low carbon (C=0.1-0.25 %)<br />

Medium carbon (C=0.25-0.55 %)<br />

High Carbon (C=0.55-0.85 %)<br />

Low alloy steel Non hardened<br />

P<br />

(alloying elements ­ 5%)<br />

Hardened<br />

Hardened<br />

High alloy steel Annealed<br />

(alloying elements > 5%)<br />

Hardened<br />

Low alloy (alloying elements 5%)<br />

Stainless steel Non hardened<br />

Feritic<br />

Hardened<br />

Stainless steel Austenitic<br />

Austenitic<br />

Super austenitic<br />

Stainless steel Non hardened<br />

Cast feritic<br />

Hardened<br />

M Stainless steel Austenitic<br />

Cast austenitic<br />

Hardened<br />

High temperature Annealed(Iron based)<br />

alloys<br />

Aged (Iron based)<br />

Annealed(Nickel or Cobalt based)<br />

Aged (Nickel or Cobalt based)<br />

Titanium alloys Pure 99.5 Ti<br />

a+b alloys<br />

Extra hard steel Hardened & tempered<br />

Malleable Ferritic (short chips)<br />

cast iron<br />

Pearlitic (long chips)<br />

Hardness<br />

Brinell<br />

HB<br />

125<br />

150<br />

170<br />

180<br />

275<br />

350<br />

200<br />

325<br />

200<br />

225<br />

200<br />

330<br />

180<br />

200<br />

200<br />

330<br />

200<br />

330<br />

200<br />

280<br />

250<br />

350<br />

400Rm<br />

1050Rm<br />

55HRc<br />

130<br />

230<br />

VMX<br />

Micro Inserts<br />

164-394<br />

131-328<br />

98-262<br />

164-230<br />

131-197<br />

98-164<br />

98-164<br />

82-131<br />

98-164<br />

82-131<br />

197-328<br />

131-197<br />

164-295<br />

131-197<br />

131-197<br />

98-164<br />

131-197<br />

98-164<br />

82-148<br />

66-98<br />

49-66<br />

33-49<br />

197-328<br />

131-164<br />

66-131<br />

164-230<br />

164-230<br />

Coated<br />

VKP / VBX<br />

Mini Inserts<br />

459-656<br />

394-590<br />

361-590<br />

328-508<br />

295-476<br />

262-443<br />

213-377<br />

164-328<br />

98-164<br />

82-131<br />

262-394<br />

180-312<br />

197-328<br />

164-295<br />

197-262<br />

148-213<br />

164-230<br />

131-197<br />

82-148<br />

66-98<br />

49-66<br />

33-49<br />

197-328<br />

131-164<br />

66-131<br />

197-262<br />

197-262<br />

VHX<br />

Mini Inserts<br />

66-164<br />

49-131<br />

49-98<br />

66-148<br />

33-82<br />

33-82<br />

82-164<br />

66-131<br />

<strong>Threading</strong><br />

Technical Data<br />

Grey cast iron<br />

Low tensile strength<br />

High tensile strength<br />

180<br />

260<br />

164-230<br />

131-197<br />

197-262<br />

131-230<br />

K<br />

Nodular SG iron<br />

Aluminium alloys<br />

Wrought<br />

Feritic<br />

Pearlitic<br />

non aging<br />

Aged<br />

160<br />

260<br />

60<br />

100<br />

164-230<br />

197-262<br />

328-984<br />

328-492<br />

197-262<br />

230-295<br />

262-787<br />

328-558<br />

98-197<br />

82-164<br />

Aluminium alloys<br />

Cast<br />

Cast & aged<br />

75<br />

90<br />

328-492<br />

197-328<br />

328-492<br />

197-328<br />

82-164<br />

66-131<br />

Aluminium alloys<br />

Cast Si 13-22%<br />

130<br />

328-492<br />

328-492<br />

49-98<br />

Copper and<br />

copper alloys<br />

Brass<br />

Bronze and non leaded copper<br />

90<br />

100<br />

197-328<br />

197-328<br />

262-656<br />

262-656<br />

49-115<br />

49-115<br />

127

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