Commonly Used ASTM Materials in Process and Power Plants :
CARBON STEEL | STAINLESS STEEL | LOW ALLOY STEEL | LOW TEMP. CARBON STEEL | |
---|---|---|---|---|
FORGINGS | A105 | A182 Gr F 304 | 1 Cr 1/2 Moly A 182 Gr F12 | A350 Gr LF-2 |
A182 Gr F 316 | 1 -1/4 Cr 1/2 Moly A182 Gr F11 | |||
A182 Gr F 321 | 5Cr 1/2 Moly A182 Gr F5 | |||
A182 Gr F 347 | 9Cr 1 Moly A182 Gr F9 | |||
CASTINGS | A216 Gr WCB | A351 Gr CF8 (SS 304) | 1 1/4 Cr 1/2 Moly A217 Gr WC6 | A352 Gr LCB |
A351 Gr CF8 M(SS 316) | 5 Cr 1/2 Moly A217 Gr C-5 | |||
A351 Gr CF8 C(SS 321) | 9 Cr 1 Moly A217 Gr C-12 | |||
A351 Gr CF8 T(SS 347) | ||||
PIPE | A53 Gr B(WELDED/SEAMLESS) | A312 Gr TP 304 (WELDED &SEAMLESS) | 1 Cr 1/2 Moly A335 Gr P-12 | A333 Gr-6 |
A106 Gr B(SEAMLESS ALWAYS) | A312 Gr TP 316 (WELDED &SEAMLESS) | 1-1/2 Cr 1/2 Moly A 335 Gr P-11 | A671 | |
API 5L Gr B (LINED PIPING) | A312 Gr TP 321 (WELDED &SEAMLESS) | 5Cr 1/2 Moly A335 Gr-P5 | ||
A672(ONLY FOR LARGE BORE) | A312 Gr TP 347 (WELDED &SEAMLESS) | 9Cr 1 Moly A335 Gr-P9 | ||
A409 | 1-1/4 Cr 1/2 Moly A691(ONLY WELDED) | |||
A358 Gr 304/316/321/347 | ||||
(Class 1 TO 6 depending on type of welding) | ||||
SMALL BORE FITTINGS | FORGINGS ARE USED FOR SMALL BORE FITTINGS | |||
LARGE BORE FITTINGS | A234 Gr WPBS | A403 Gr WP 304 | 1 Cr 1/2 Moly A234 Gr WP-12 | A420 Gr WPL-6 |
A234 Gr WPBW | A403 Gr WP 316 | 1-1/2 Cr 1/2 Moly A 234 Gr WP-11 | ||
A403 Gr WP 321 | 5Cr 1/2 Moly A234 Gr-WP5 | |||
A403 Gr WP 347 | 9Cr 1 Moly A234 Gr-WP9 | |||
FLANGES | FORGINGS ARE USED FOR ALL FLANGES | |||
BOLT/NUT | A193 Gr B7 / A194 Gr 2H | A193 Gr B8 CLASS II / A94 Gr 8 | A193 Gr B16 / A194 Gr 8 | A320 Gr L7 / A194 Gr-4 |
A307 Gr B / A563 Gr A | ||||
SMALL BORE VALVES | FORGINGS ARE USED FOR SMALL BORE | |||
LARGE BORE VALVES | CASTINGS ARE USED FOR BIG BORE |
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