Stainless steel small diameter seamless steel pipe(2)

Stainless steel small diameter seamless steel pipe outer diameter, wall thickness tolerance(GB/T 3090—2000)(Unit: mm)

Size Allowable deviation Size Allowable deviation
Ordinary level Advanced Ordinary level Advanced
Outer diameter D <=1.0 ±0.03 ±0.02 Wall thickness δ <0.2 +0.03 -0.02 +0.02 -0.01
>1.0~2.0 ±0.04 ±0.02 0.2~0.5 ±0.04 ±0.03
>2.0 ±0.05 ±0.03 >0.5 ±10%δ ±7.5δ
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