U-BOLT

U-Bolt

u-bolt-1
U-Bolt-2
Metric / JIS F 3022

NomanalSize Out diaof Pife R d1 ThreadDia(d2) A Type B Type C Type
H E H E H E
10 21.7 12 10 M10 39 20 47 30
20 27.2 15 10 M10 45 20 53 30
25 34.0 18 10 M10 52 20 60 30
32 42.7 23 10 M10 60 20 68 30
40 48.6 26 10 M10 66 20 74 30
50 60.5 32 10 M10 78 20 86 30
65 76.3 40 12 M12 98 25 108 35
80 89.1 46 12 M12 110 25 120 35
90 101.6 52 12 M12 123 25 133 35
100 114.3 59 16 M16 141 50
125 139.8 72 16 M16 167 50
150 165.2 85 16 M16 192 50
175 190.7 98 16 M16 218 50
200 216.3 111 20 M20 249 60
225 241.8 124 20 M20 274 60
250 267.4 137 20 M20 300 60
300 318.5 163 24 M24 357 70
350 355.6 181 24 M24 394 70
400 406.4 207 24 M24 444 70
450 457.2 233 30 M30 505 85
500 508.0 259 30 M30 556 85
550 5585.8 284 30 M30 606 85
600 609.6 310 36 M36 663 100
650 660.4 335 36 M36 713 100
700 711.2 361 36 M36 164 100
750 762.0 387 36 M36 818 100
800 812.8 413 42 M42 875 115

u-bolt01
u-bolt02
u-bolt03
u-bolt04
u-bolt05
u-bolt06
Chemical Requirements
SpecificationGrade C Si Mn PMax SMax Ni Cr Mo Vanadium
ASTM A193 Gr B7 0.37-0.49 0.15-0.35 0.65-1.10 0.035 0.04 0.75-1.20 0.15-0.25
ASTM A193 Gr B7M 0.37-0.49 0.15-0.35 0.65-1.10 0.035 0.04 0.75-1.20 0.15-0.25
ASTM A193 Gr B16 0.36-0.47 0.15-0.35 0.45-0.70 0.035 0.04 0.80-1.15 0.50-0.65 0.25-0.35
ASTM A193 Gr B8 Max 0.08 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A193 Gr B8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0
ASTM A193 Gr B6 Max 0215 Max 1.00 Max 1.00 0.045 0.03 11.5-13.5
ASTM A320 Gr L7 0.38-0.48 0.15-0.35 0.75-1.00 0.035 0.04 0.80-1.10 0.15-0.25
ASTM A320 Gr L7M 0.38-0.48 0.15-0.35 1.75-1.00 0.035 0.04 0.80-1.10 0.15-0.25
ASTM A320 Gr B8 Max 0.08 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A320 Gr B8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0
ASTM A325 TYPE 1 0.28-0.55 Min 0.60 0.040 0.05 Boron Min 0.0005
ASTM A325 TYPE 2 0.15-0.34 Min 0.70 0.040 0.05
ASTM A354 Gr BC 0.30-0.53 0.035 0.04
ASTM A354 Gr BD 0.30-0.53 0.035 0.04
ASTM A449 TYPE1 0.28-0.55 Min 0.60 0.040 0.05 Boron Min 0.0005
ASTM A449 TYPE 2 0.15-0.38 Min 0.70 0.040 0.05
ASTM A490 TYPE1 0.30-0.48 0.040 0.04
JIS G4303 SUS310S Max 0.08 Max 1.50 Max 2.00 0.045 0.03 19.0-22.0 24.0-26.0
JIS G4105 SCM 435 0.33-0.38 0.15-0.35 0.60-0.85 0.030 0.03 0.90-1.20 0.15-0.30
JIS G4105 SCM 440 0.38-0.43 0.15-0.35 0.60-0.85 0.030 0.03 0.90-1.20 0.15-0.30
JIS G4107 SNB 5 Min 0.10 Max 1.00 Max 1.00 0.040 0.03 4.00-6.00 0.40-0.65
JIS G4107 SNB 7 0.38-0.48 0.20-0.35 0.75-1.00 0.040 0.04 0.80-1.10 0.15-0.25
JIS G4107 SNB 16 0.36-0.44 0.15-0.35 0.45-0.70 0.040 0.04 0.80-1.15 0.50-0.65
JIS G4051 S45C 0.42-0.48 Max 0.40 0.60-0.90 0.040 0.035
ASTM A194 Gr 2H Min 0.40 Max 0.40 Max 1.00 0.040 0.05
ASTM A194 Gr 2HM Min 0.40 0.15-0.35 Max 1.00 0.040 0.05
ASTM A194 Gr 7M 0.37-0.49 0.15-0.35 0.65-1.10 0.040 0.04 0.75-1.20 0.15-0.25
ASTM A194 Gr 4 0.40-0.50 0.15-0.35 0.70-0.90 0.035 0.04 0.20-0.30
ASTM A194 Gr 7 0.37-0.49 0.15-035 0.65-1.10 0.040 0.04 0.75-1.20 0.15-0.25
ASTM A194 Gr 8 Max 0.06 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A194 Gr 8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.00-3.00
ASTM A563 Gr A.B.C Max 0.55 0.012 0.15
ASTM A563 Gr Gr D Max 0.55 Min 0.30 0.040 0.05
ASTM A563 gR Gr DH 0.20-0.55 Min 0.60 0.040 0.05
Mechanical Requirements
Specification Grade Diameter inch (mm) Tesile Strength Min Yiled Strength Min E.L % Min R.A % Min Haedness Tempering Temp”F (“c) Min
HB H.B H.C
A193 Gr B7 2½ and under 125,000psi 100,000psi 16 50 1,100(593)
Over 2½ to 4 115,000psi 95,000psi 16 50 1,100(593)
A193 Gr B7M 2½ and under 105,000psi 80,000psi 18 50 200-235 93-99 1,150(620)
A193 Gr B16 2½ and under 125,000psi 105,000psi 18 50 253-319 25-34 1,200(650)
Over 2½ to 4 110,000psi 95,000psi 17 45 353-319 25-34 1,200(650)
A193GrB8.B8M All diameters 75,000psi 30,000psi 30 50 Max 223 Max 96
A193 Gr B6 Up to 4 110,000psi 85,000psi 15 50 1,100(593)
A320 Gr L7 2½ and under 125,000psi 105,000psi 16 50
A320 Gr L7M 2½ and under 100,000psi 80,000psi 18 50 Max 235 Max 99 1,150(620)
A320GrB8.B8M All diameters 75,000psi 30,000psi 35 50 Max 223 Max 96
A325 ½ to 1 120,000psi 92,000psi 248-331 24-35 800(427)
1⅛ to 1½ 105,000psi 81,000psi 14 35 223-293 19-31 800(427)
A354 Gr BC ¼ to 2½ 125,000psi 109,000psi 16 50 255-331 26-36 800(427)
Over 1 to 1½ 115,000psi 99,000psi 16 45 235-311 22-33 800(427)
A354 Gr BD ¼ to 2½ 150,000psi 130,000psi 14 40 311-363 33-39 800(427)
Over 1 to 1½ 140,000psi 115,000psi 14 40 293-363 31-39 800(427)
A449 ¼ to 1 120,000psi 92,000psi 14 35 255-321 25-34 800(427)
Over 1 to1½ 105,000psi 81,000psi 14 35 223-285 19-30 800(427)
Over 1½ to 3 90,000psi 58,000psi 14 35 183-235 800(427)
A490 ½ to 1½ 150-170ksi 130,000ksi 14 40 311-352 33-38 800(427)
JIS SUS 310S 53 kgf/㎟ 21kgf/㎟ 40 50 Max 187 Max 90
JIS SCM 435 95kgf/㎟ 80kgf/㎟ 15 50 269-331 29-35 (530-630)
JIS SCM 440 100kgf/㎟ 85kgf/㎟ 12 45 285-352 29-39 (530-630)
JIS SNB 5 70kgf/㎟ 56kgf/㎟ 16 50 (595)
JIS SNB 7 Up to 63(mm) 88kgf/㎟ 74kgf/㎟ 16 50 (595)
Over(63) to (100) 82kgf/㎟ 67kgf/㎟ 16 50 (595)
JIS SNB 16 Up to 63(mm) 88kgf/㎟ 74kgf/㎟ 18 50 (650)
Over (63) to (100) 77kgf/㎟ 67kgf/㎟ 17 50 (650)
JIS S45C 70kgf/㎟ 50kgf/㎟ 17 45 201-269 14.5-27 (550-650)
A194 Gr 2 159-352 Min 84 1,000(538)
A194 Gr 2H To 1½ 248-352 24-38 850(455)
Over 1½ 212-352 Min 95 Max 38 850(455)
159-237 Max 22 1,150
228-271 20-28 1,100
159-237 Max 22 1,100
248-352 24-38 1,100
126-300 60-105
A563 Gr A ¼ to 4 116-302 Min 68 Max 32
A563 Gr B ¼ to 1½ 121-302 Min 69 Max 32
A563 Gr C ¼ to 4 143-352 Min 78 Max 38 800(427)
A563 Gr D ¼ to 4 159-352 Min 84 Max 38 800(427)
A563 Gr DH ¼ to 4 248-352 24-38 800(427)

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