PETROCHEMICAL
STUDDING
Studding is available in 10-12ft random lengths in all the main petrochemical grades in both imperial and metric diameters. Sizes range from 1/4″ up to 4″ in imperal and M6 up to M76 in metric. A list of the more popular grades is shown in the table below and other material are available on request.
| GRADE | ASTM | MATERIAL DESCRIPTION |
|---|---|---|
| B5 | A193 | Type 501 Stainless Steel, 4-6% Chromium |
| B6 | A193 | Type 410 Stainless Steel, 12% Chromium |
| B7 | A193 | Chromium-Molybdenum, AISI 4140 |
| B7M | A193 | Chromium-Molybdenum, AISI 4140 |
| B8 | A193 | Type 304 Stainless Steel |
| B8 Class 2 | A193 | Type 304 Stainless Steel, Strain Hardened |
| B8M | A193 | Type 316 Stainless Steel |
| B8M Class 2 | A193 | Type 316 Stainless Steel, Strain Hardened |
| B8C | A193 | Type 347 Stainless Steel |
| B8T | A193 | Type 321 Stainless Steel |
| B16 | A193 | Chromium-Molybdenum-Vanadium |
| L7 / L7M / L43 | A320 | Chromium-Molybdenum, AISI 4140, Low Temp Service |
| 660 A, B & D | A453 | Heat Resistant, Precipitation Hardening Steel |
MATERIAL GRADES
B5+
ASTMA193
Material DescriptionType 501 Stainless Steel, 4-6% Chromium
B6+
ASTMA193
Material DescriptionType 410 Stainless Steel, 12% Chromium
B7+
ASTMA193
Material DescriptionChromium-Molybdenum, AISI 4140
B7M+
ASTMA193
Material DescriptionChromium-Molybdenum, AISI 4140
B8+
ASTMA193
Material DescriptionType 304 Stainless Steel
B8 Class 2+
ASTMA193
Material DescriptionType 304 Stainless Steel, Strain Hardened
B8M+
ASTMA193
Material DescriptionType 316 Stainless Steel
B8M Class 2+
ASTMA193
Material DescriptionType 316 Stainless Steel, Strain Hardened
B8C+
ASTMA193
Material DescriptionType 347 Stainless Steel
B8T+
ASTMA193
Material DescriptionType 321 Stainless Steel
B16+
ASTMA193
Material DescriptionChromium-Molybdenum-Vanadium
L7 / L7M / L43+
ASTMA320
Material DescriptionChromium-Molybdenum, AISI 4140, Low Temp Service
660 A, B & D+
ASTMA453
Material DescriptionHeat Resistant, Precipitation Hardening Steel