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Add: South of Qiantong Road, Cangzhou City, Hebei, China

Contact us:Sunny Yang

Phone: 86-13303171370

Tel: 86-317-8517170

Fax: 86-317-5527266

E-mail: export@jundesteelpipe.com

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Tolerance of Outside Diameter and Wall Thickness Of steel pipe

Dec 25, 2017

 

Standard

Tolerance of Pipe Body

Tolerance of  Pipe End

Large diameter thick-walled spiral steel pipe Tolerance of Wall Thickness

Out Diameter

Tolerance

Out Diameter

Tolerance

GB/T3091

OD≤48.3mm

≤±0.5

OD≤48.3mm

-

≤±10%

48.3<od≤273.1mm

≤±1.0%

48.3<od≤273.1mm< span="" style="padding: 0px; margin: 0px;">


273.1<od≤508mm

≤±0.75%

273.1<od≤508mm< span="" style="padding: 0px; margin: 0px;">

-0.8+2.4

OD>508mm

≤±1.0%

OD>508mm

-0.8+3.2

GB/T9711.1

OD≤48.3mm

-0.79+0.41

-

-

OD≤73

-12.5%+20%

60.3<od≤457mm

≤±0.75%

OD≤273.1mm

-0.4+1.59

88.9≤OD≤457

-12.5%+15%

508<od≤941mm

≤±1.0%

OD≥323.9

-0.79+2.38

OD≥508

-10.0%+17.5%

OD>941mm

≤±1.0%

-

-

-

-

GB/T9711.2

60<od≤610mm

±0.75%D±3mm

60<od≤610mm

±0.5%D±1.6mm

4mm<wt<25mm

±12.5%T±15.0%T

610<od≤1430mm

±0.5%D±4mm

610<od≤1430mm

±0.5%D±1.6mm

WT≥25mm

-3.00mm+3.75mm

OD>1430mm

-

OD>1430mm

-

-

-10.0%+17.5%

SY/T5037

OD<508mm

≤±0.75%

OD<508mm

≤±0.75%

OD<508mm

≤±12.5%

OD≥508mm

≤±1.00%

OD≥508mm

≤±0.50%

OD≥508mm

≤±10.0%

API 5L PSL1/PSL2

OD<60.3

-0.8mm+0.4mm

OD≤168.3

-0.4mm+1.6mm

WT≤5.0

≤±0.5

60.3≤OD≤168.3

≤±0.75%

168.3<od≤610

≤±1.6mm

5.0<wt<15.0

≤±0.1T

168.3<od≤610

≤±0.75%

610<od≤1422

≤±1.6mm

T≥15.0

≤±1.5

610<od≤1422

≤±4.0mm

OD>1422

-

-

-

OD>1422

-

-

-

-

-

API 5CT

OD<114.3

≤±0.79mm

OD<114.3

≤±0.79mm

≤-12.5%

OD≥114.3

-0.5%1.0%

OD≥114.3

-0.5%1.0%

≤-12.5%

ASTM A53

≤±1.0%

≤±1.0%

≤-12.5%

ASTM A252

≤±1.0%

≤±1.0%

≤-12.5%


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Contact information

South of Qiantong Road,Cangzhou City,Hebei,China

86-317-8517170

whatsapp: 86-13303171370

export@jundesteelpipe.com

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