TM 1-1500-204-23-6 Table 4-10.  Identification of Steel- CONT Commercial Current designation Specification Type Shape Conditions Tubing - continued Inconel MIL-T-7840 Seamless or Round Cold-Drawn Welded Welded 321 18-8 MIL-T-6737 Welded As Required Annealed Only G321 18-8 MIL-T-8606 Seamless or As Required Annealed Only Welded Drawn X347 MIL-T-6737 Welded As Required Annealed Only G347 18-8 MIL-T-8606 Seamless or As Required Annealed Only Welded Drawn Commercial Current Physical Surface designation Specification Type Condition Conditions Wire Hard-Drawn 4-7-59 A (Spring) Class A- B (Zinc-Coated) Uncoated Class B- Zinc-Coated General QQ-W-412 I. A (Spheroidize I.  Oil Purpose QQ-W-428 II Annealed Tempered III. at Finish Spring Size) Wire B (Spheroidize II.  Hard-Drawn Annealed III.  Soft and Lightly Drawn) Bars and Rods 302 and 316 QQ-W-423 Spring Corrosion- Temper Resistant Annealed 4-26