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Material

Maximum hardness

HB

HRB

Soft lron

90

56

LowCS

120

68

F5

130

72

SS304

160

83

SS304L

160

83

SS309

160

83

SS316

160

83

SS316L

160

83

SS316Ti

160

83

SS321

160

83

SS347

160

83

SS410

140

86

Nickel 200

110

62

Monei 400

150

80

Inconel 600

150

80

Inconel 625

160

83

Inconel 800/800H

180

89

Inconel 825

160

80

Hastelloy C276

190

83

Type 904

160

83

N07718

190

91

F51

230

98

F53

230

98

F55

240

100


 

 model

Ra

μm

RMS

(μin)

R

1.6

(63)

RX

1.6

(63)

BX

0.8

(32)