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Stainless Steel Bars
SS sheets , Plates & Strips
Carbon / Alloy Steel Pipes
Buttweld Fittings
Flanges Dimensions
Mild Steel
Weight & Wall Thk Pipes
Dimensional Tolerance
Specific density of SS
Heat Treatment Process
Hardness Conversion Chart
International Material
 Grade code

 

 

Brinnel Hardness HB

Vickers Hardness HV

Rockwell Hardness HRC

Rockwell Hardness HRB

Tensile Strength ksi

321

339

34

108

158

311

328

33

108

154

302

319

32

107

150

293

309

31

106

146

285

301

30

105

142

277

292

29

104

138

269

284

28

104

135

262

276

27

103

131

255

269

25

102

125

248

261

24

101

121

241

253

23

100

119

235

247

22

99

117

229

241

21

98

113

223

234

-

97

110

217

228

-

96

107

212

222

-

95

102

207

218

-

95

100

202

212

-

94

98

197

207

-

93

96

192

202

-

92

94

187

196

-

91

90

183

192

-

90

89

179

188

-

89

87

174

182

-

88

84

170

178

-

87

82

166

175

-

86

80

163

171

-

85

78

159

167

-

84

77

156

163

-

83

76

153

160

-

82

75

149

156

-

81

74

146

153

-

80

72

143

150

-

79

71

140

147

-

78

70

137

143

-

76

67

134

140

-

75

66

131

137

-

74

65

128

134

-

73

64

126

132

-

72

63

124

129

-

71

62

121

127

-

70

60

118

124

-

69

59

116

122

-

68

58

114

119

-

67

57

111

117

-

66

56

 

 
     
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