Material Designation Max Hardness
Rockwell B
Max Hardness
Brinell
Soft Iron D 56 90
Low Carbon Steel S 68 120
4-6 Chrome F-5 72 130
304 Stainless Steel S304 83 160
316 Stainless Steel S316 83 160
347 Stainless Steel S347 83 160
410 Stainless Steel S410 86 170

 

 

Size PSI Rating No. Soft Iron Part No. Stainless Part No. Size PSI Rating No. Soft Iron Part No. Stainless Part No.
1-13/16 10/20M BX-151 RGSTBX-151 RGSS316BX-151 2-1/16 2000 R-23 RGSTR-23 RGSS316R-23
2-1/16 10/20M BX-152 RGSTBX-152 RGSS316BX-152 5000 R-24 RGSTR-24 RGSS316R-24
2-9/16 10/20M BX-153 RGSTBX-153 RGSS316BX-153 2-9/16 2000 R-26 RGSTR-26 RGSS316R-26
3-1/16 10/20M BX-154 RGSTBX-154 RGSS316BX-154 5000 R-27 RGSTR-27 RGSS316R-27
4-1/16 10/20M BX-155 RGSTBX-155 RGSS316BX-155 3-1/8 2/3000 R-31 RGSTR-31 RGSS316R-31
5-1/8 10M BX-169 RGSTBX-169 RGSS316BX-169 5000 R-35 RGSTR-35 RGSS316R-35
7-1/16 10/20M BX-156 RGSTBX-156 RGSS316BX-156 4-1/16 2/3000 R-37 RGSTR-37 RGSS316R-37
9 10/15M BX-157 RGSTBX-157 RGSS316BX-157 5000 R-39 RGSTR-39 RGSS316R-39
11 10/20M BX-158 RGSTBX-158 RGSS316BX-158 5-1/8 2/3000 R-41 RGSTR-41 RGSS316R-41
13-5/8 5M BX-160 RGSTBX-160 RGSS316BX-160 5000 R-44 RGSTR-44 RGSS316R-44
10/20M BX-159 RGSTBX-159 RGSS316BX-159 7-1/16 2/3000 R-45 RGSTR-45 RGSS316R-45
16-3/4 5/10M BX-162 RGSTBX-162 RGSS316BX-162 5000 R-46 RGSTR-46 RGSS316R-46
18-3/4 5M BX-163 RGSTBX-163 RGSS316BX-163 9 2/3000 R-49 RGSTR-49 RGSS316R-49
18-3/4 10/15M BX-164 RGSTBX-164 RGSS316BX-164 5000 R-50 RGSTR-50 RGSS316R-50
21-1/4 5M BX-165 RGSTBX-165 RGSS316BX-165 11 2/3000 R-53 RGSTR-53 RGSS316R-53
10M BX-166 RGSTBX-166 RGSS316BX-166 5000 R-54 RGSTR-54 RGSS316R-54
26-3/4 2M BX-167 RGSTBX-167 RGSS316BX-167 13-5/8 2/3000 R-57 RGSTR-57 RGSS316R-57
26-3/4 3M BX-168 RGSTBX-168 RGSS316BX-168 16-3/4 2000 R-65 RGSTR-65 RGSS316R-65
3000 R-66 RGSTR-66 RGSS316R-66
20-3/4 2000 R-73 RGSTR-73 RGSS316R-73
21-1/4 3000 R-74 RGSTR-74 RGSS316R-74