Size： O.D. Φ70（-0.1，+0.15） wall thickness 2.0±0.1 Inner pass depth +0.05/-0.1 straightness ≤0.3mm/m circular degree ≤0.15mm

Size： ①O.D. Φ45±0.1mm ②I.D. Φ41（-0.05，+0.1）mm ③wall thickness 2.0±0.10mm ④Inner pass depth +0.05/-0.1 ⑤straightness ≤0.3mm/m ⑥circular degree ≤0.15mm

Size： ①I.D. Φ50±0.10mm ②O.D. Φ54±0.10mm ③wall thickness 2.0±0.10mm ④Inner pass depth +0.05/-0.1 ⑤straightness ≤0.3mm/m ⑥circular degree ≤0.15mm

Size： ①O.D. Φ58(-0.1，+0.15) ②wall thickness 3.75±0.1 ③Inner pass depth +0.05/-0.1 ④straightness ≤0.3mm/m ⑤circular degree ≤0.15mm

Size： ①O.D. Φ58(-0.1，+0.15) ②wall thickness 2.5±0.1 ③Inner pass depth +0.05/-0.1 ④straightness ≤0.3mm/m ⑤circular degree ≤0.15mm

Size： ①O.D. Φ45±0.10 ②I.D. Φ43(-0.05，+0.10) ③wall thickness 1.0±0.10 ④Inner pass depth +0.05/-0.1 ⑤straightness ≤0.3mm/m ⑥circular degree ≤0.15mm

Size： ①O.D. Φ52(-0.1，+0.1) ②wall thickness 2.5±0.1 ③Inner pass depth +0.05/-0.1 ④straightness ≤0.3mm/m ⑤circular degree ≤0.15mm

Size： ①O.D. Φ54(-0.1~+0.15) ②wall thickness 2.5±0.1 ③Inner pass depth +0.05/-0.1 ④straightness ≤0.3mm/m ⑤circular degree ≤0.15mm

Size： O.D. Φ45±0.1 I.D. Φ40（-0.05，+0.1） wall thickness Φ2.5±0.1 Inner pass depth +0.05/-0.1 straightness ≤0.3mm/m circular degree ≤0.15mm

Size： ①O.D. Φ50(-0.1~+0.15) ②wall thickness Φ2.5±0.1 ③Inner pass depth +0.05/-0.1 ④straightness ≤0.3mm/m ⑤circular degree ≤0.15mm