Product

Oil casing

Standard

API 5CT

Material

API J55 , K55 , N80 , L-80 , P110 , C95 etc.

OD

4 1/2''~13 3/8''   30~508`'mm

WT

SCH5,SCH10,SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS  2~30mm

Usage

Structure Use,water transport,Building,Machinery,Traffic,Aviation,Oil development ect.

OD Tolerances

D<50mm,+-0.5mm ,D>50MM,+-1%

WT Tolerances

WT +-12.5%

Chemical

C:0.17-0.24%,Si:0.17-0.37%,MN:0.35-0.65%,P:<0.035%,

S:<0.035%,Cu:<0.25%,Ni<0.25%,Cr:<0.25%

Tensile strength

390MPA

Yield Point

WT<16MM 245MPA, WT >16-30MM 235MPA

Elongation

20%

Rigidity

≤241HB

Length

2-12m Random,5.8M FIXED,6M FIXED,9M FIXED

Surface

Black paint as rusty protect

Ends

2"below plain ends,2" above beveled ends

Method

140mm below cold drawn,140mm above hot rolled,273mm above hot expand

Packing

6 steel strip,bundles,Caps , plastic wrap,loading belt oras per clients requirements