Identifies material by it marking, ASTM specification, size range and mechanical problems.
Material Marking |
Specification |
Material |
Size Range |
Mechanical Properties |
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Proof Load
|
Yield Strength Min (psi) |
Tensile Strength
|
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SAE J429 Grade 5 |
Medium Carbon Steel, Quenched and Tempered | 1/4 thru 1 Over 1 to 1-1/2 |
85,000 74,000 |
92,000 81,000 |
120,000 105,000 |
ASTM A449 | 1/4 thru 1 Over 1 to 1-1/2 Over 1-1/2 thru 3 |
85,000 74,000 55,000 |
92,000 81,000 58,000 |
120,000 105,000 90,000 |
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A325 | ASTM A325 Type 1 |
Medium Carbon Steel, Quenched and Tempered | 1/2 thru 1 1-1/8 thru 1-1/2 |
85,000 74,000 |
92,000 81,000 |
120,000 105,000 |
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ASTM A325 Type 2 |
Low Carbon Martensitic Steel, Quenched and Tempered | 1/2 thru 1 | 85,000 | 92,000 | 120,000 |
A325 | ASTM A325 Type 3 |
Atmospheric Corrosion Resisting Steel, Quenched and Tempered | 1/2 thru 1 1-1/8 thru 1-1/2 |
85,000 74,000 |
92,000 81,000 |
120,000 105,000 |
BC | ASTM A354 Grade BC |
Alloy Steel, Quenched and Tempered | 105,000 95,000 |
109,000 99,000 |
125,000 115,000 |
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SAE J429 Grade 7 |
Medium Carbon Alloy Steel, Quenched and Tempered 4 | 1/4 thru 1-1/2 | 105,000 | 115,000 | 133,000 |
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SAE J429 Grade 8 |
120,000
|
130,000
|
150,000
|
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ASTM A354 Grade BD | |||||
A490 | ASTM A490 | Alloy Steel, Quenched and Tempered |
1/2 thru 1-1/2 | 120,000 | 130,000 | 150,000 min 170,000 max |
Material
|
Specification |
Material |
Size Range |
Mechanical Properties |
||
Proof Load Min (psi) |
Yield Strength Min (psi) |
Tensile Strength
|
||||
F593C | ASTM F593 Grp 1 Cond CW1 |
303, 304, 304L, 305, 384, XM1, 18-9LW, 302HQ, 303Se | 1/4 Thru 5/8
3/4 Thru 1 1/2 |
— | 65,000
45,000 |
100,000
85,000 |
F593D | ASTM F593 Grp 1 Cond CW2 |
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F593G | ASTM F593 Grp 2 Cond CW1 |
316, 316L | — | |||
F593H | ASTM F593 Grp 2 Cond CW2 |
Material Marking |
Specification |
Material |
Size Range |
Mechanical Properties |
||
Proof Load
|
Yield Strength
|
Tensile Strength
|
||||
B7 | ASTM A193 Grade B7 |
AISI 4140, 4142, OR 4105 | 1/4 thru 2-1/2 Over 2-1/2 thru 4 Over 4 thru 7 |
— — — |
105,000 95,000 75,000 |
125,000 115,000 100,000 |
B16 | ASTM A193 Grade B16 |
CrMoVa Alloy Steel | 105,000 95,000 85,000 |
125,000 115,000 100,000 |
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B8 | ASTM A193 Grade B8 |
AISI 304 | 1/4 and larger | — | 30,000 | 75,000 |
B8M | ASTM A193 Grade B8M |
AISI 316 | ||||
B8SH | ASTM A193 Grade B8 Cl. 2 |
AISI 304 Strain Hardened |
1/4 thr 3/4 Over 3/4 thru 1 Over 1 thru 1-1/4 Over 1-1/4 thru 1-1/2 |
— — — — |
100,000 80,000 65,000 50,000 |
125,000 115,000 105,000 100,000 |
B8MSH | ASTM A193 Grade B8M Cl. 2 |
AISI 316 Strain Hardened |
95,000 80,000 65,000 50,000 |
110,000 100,000 95,000 90,000 |
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L7 | ASTM A320 Grade L7 |
AISI 4140, 4142 or 4145 |
1/4 thru 2-1/2 | — | 105,000 | 125,000 |
B8 | ASTM A320 Grade B8 |
AISI 304 | 1/4 and larger | — | 30,000 | 75,000 |
B8C | ASTM A320 Grade B8C |
AISI 347 | ||||
B8T | ASTM A320 Grade B8T |
AISI 321 | ||||
B8F | ASTM A320 Grade B8F |
AISI 303 or 303Se |
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B8M | ASTM A320 Grade B8M |
AISI 316 | ||||
B8 | ASTM A320 Grade B8 Cl. 2 |
AISI 304 Strain Hardened |
1/4 thru 3/4 Over 3/4 thru 1 Over 1 thru 1-1/4 Over 1-1/4 thru 1-1/2 |
— — — — |
100,000 80,000 65,00 50,00 |
100,000 80,000 65,00 50,00 |
B8M | ASTM A320 Grade B8M Cl. 2 |
AISI 316 Strain Hardened |
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B8T | ASTM A320 Grade B8T Cl. 2 |
AISI 321 Strain Hardened |
Material Marking |
Specification |
Material |
Size Range |
Mechanical Properties |
||
Proof Load
|
Yield Strength
|
Tensile Strength Min (psi) |
||||
8.8 or 88 | ISO 898 Class 8.8 |
Alloy Steel, Quenched & Tempered | All Sizes thru 38mm |
85,000 | 92,000 | 120,000 |
10.9 or 109 | ISO 898 Class 10.9 |
120,000 | 130,000 | 150,000 | ||
12.9 or 129 | ISO 898 Class 12.9 |
140,000 | 155,000 | 175,000 | ||
A2-70 | ISO 3506 A2 | 304, 304L, 321, 347 | All Sizes Thru 20mm | — | 65,000 | 100,000 |
A4-70 | ISO 3506 A4 | 316, 316L, 317, 317L |