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astm a193 b7 a194 2h

Place of Origin Hebei, China Brand Name PESCO Size: M5-M64(1/4″-4″)
Material B7,B7M,B16 Standard ASTM A193

Specifications
astm a193 b7 a194 2h stud bolts and nuts Teflon
1.size:M5-M64(1/4″-4″)
2.Grade:B7,B7M,B16
3.Material:B7,35CRMO,40cr,42crmo

Recommended Nuts

Bolt grade Nut grade
B7 A194 Grade2H
B7M A194 Grade2HM
B16 A194 Grade4

Chemical Properties

Element 2,2H,and 2HM 4 7and7M(AISI4140)
Carbon 0.40%min 0.40-0.50% 0.37-0.49%
Manganese 1.00%max 0.70-0.90% 0.65-1.10%
Phosphorus,max 0.040% 0.035% 0.035%
Sulfur,max 0.050& 0.040% 0.040%
Silicon 0.40%max 0.15-0.35% 0.15-0.35%
Chromium 0.75-1.20%
Nickel
Molybdenum 0.20-0.30% 0.15-0.25%