Due to steel allocation restrictions we cannot accept returns on stainless orders at this time. All sales are final for Stainless Products.

Grade Information

Mechanical Properties

 

Standard

Grade

Size (inches)

Tensile, ksi

Yield, ksi min

Yeild, MPa min

Elong. % min

RA % min

F1554

36

1/2"-4"

58-80

36

248

23

40

 

 

F1554

 

 

55

1/2"-2"

 

 

75-95

55

380

21

30

2-1/4-2-

1/2"

22

2-3/4"-3"

20

3-1/4"-4"

18

F1554

105

1/2"-3"

125-150

105

724

15

45

A193

B7

1/2"-2-1/2"

125

105

 

16

50

2-3/4"-4"

115

95

 

Chemical Properties

 

Element

36

Grade 55/105

Grade B7

< .76"

.76"-1.5"

> 1.5"

Carbon (max)

.26%

.27%

.28%

 

.37-.49%

Manganese

 

.60%-.90%

 

.65-1.10%

Phosphorus (max)

.04%

.04%

.035%

Sulfur (max)

.05%

.05%

.04%

Copper (min)

.20%

.20%

 

 

 

-If your print calls for SI Grade 55 we must know at the time the order is placed. If not specified, the Grade 55 may not be weldable.

-When Grade 36 is specified, a weldable Grade 55 may be furnished at the supplier's option.

-This sheet is for informational purposes only. Please consult your blueprint or engineer before selecting the proper grade.