Material Specification We manage procurement and provide value-added services
Specification codes among different country of origins
Type of Pipes Specification Code. Appilcation
Manufacturing
Method		 KOREA JAPAN U.S.A U.K
Steel Pipe for
Ordinary Piping		 ERW, SMLS KS D3507/SPP JIS G3452/SGP ASTM A53 BS 1387
ERW, SMLS KS D3631/SPPG - - -
ERW, SAW KS D3583/SPW JIS G3457/STPY ASTM A134/A139
ASTM A671/672		 -
Steel Pipe for
Pressure Service		 ERW, SMLS KS D3562/SPPS JIS G3454/STPG ASTM A53/API 5L BS 3601
Structural Purpose ERW KS D3517/STKM JIS G3445/STKM ASTM 513 BS 980/BS 1717/BS 1775
ERW, SAW KS D3566/STK JIS G3444/STK ASTM A500 BS 980/BS 1139/BS 4848
ERW KS D3568/SPSR JIS G3466/STKR ASTM A500 BS 4848
ERW, SAW KS F4602/SKK JIS A5525/SKK ASTM A252 -
Line Pipe ERW, SMLS, SAW - - API 5L
(Gr.A.B/X42-X80)		 -
Oil country Tubular Goods (OCTG) ERW, SMLS - - API 5CT
(H40, J55, N80, L80, P110)		 -
Steel Pipe
for building Structure		 ERW, SAW KS D3632/STKN JIS G3475/STKN - -
PE Coated Pipe ERW, SMLS, SAW KS D3589
KS D3607		 JIS G3469/P - -
Comparison between Manufacturing Type and ASTM Grade
Material Plate Pipe Electric Fusion
Welded Pipe		 Tube Wrought Fitting Appilcation
Carbon steel A285 Gr.A
A285 Gr.B
A285 Gr.C		 A53 Gr.A
A53 Gr.B		 A671 Gr.CA55
A672 Gr.A45-A55
A135 Gr.A & B		 A214(Welded)
A179(Seamless)		 A234 Gr.WPB
Killed Carbon Steel Killed Carbon Steel A106 Gr.A
A106 Gr.B
A333 Gr.1
(API 5L)		 A672 Gr.B55-B70
A672 Gr.C55-C70		 A179
A210
A192
A334 Gr.1
A334 Gr.6		 A234 Gr.WPB
Comparison between EN and ASTM
EN ASTM Appilcation
EN10216-2 A106 A179 A192 A210 A335(A213)
P195GH Grade A Low Carbon Low Carbon
P265GH Grade B Grade A1
Grade C Grade C
13Cr Mo4-5 P12(T11)
10CrMo9-10 P22(T22)
X10CrMoVnb9-1 P91(T91)
X10CrMoVnb9-2 P92(T92)