KOHE

Steel grade EN10219-1	Minimum yield strength ReH (t≤16mm) N/mm²	Minimum yield strength ReH (16≤t≤40mm) N/mm²	Minimum ultimate tensile strength Rm (3≤t≤40mm) N/mm²	Minimum elongation (t≤40mm) %	Chemical composition (% max)
Steel grade EN10219-1	Minimum yield strength ReH (t≤16mm) N/mm²	Minimum yield strength ReH (16≤t≤40mm) N/mm²		Minimum elongation (t≤40mm) %	C	Mn	P	S	Si	N	CEV (t≤20mm)
S 235 JRH	235	225	340-470	24	0.17	1.40	0.045	0.045	-	0.009	0.35
S 275 JOH	275	265	410-560	20	0.20	1.50	0.040	0.040	-	0.009	0.40
S 355 JOH	355	345	490-630	20	0.22	1.60	0.040	0.040	0.55	0.009	0.45
S 420 MH	420	400	500-660	19	0.16	1.70	0.035	0.030	0.50	0.020	0.43
S 460 MH	460	440	530-720	17	0.16	1.70	0.035	0.030	0.60	0.025	-

Steel grade API 5L① ISO 3183	Minimum yield strength ReH N/mm²	Minimum tensile strength Rm N/mm²	Minimum elongation② %	Chemical composition for PSL 1 pipe with t≤25.0mm④ (% max)
Steel grade API 5L① ISO 3183	Minimum yield strength ReH N/mm²	Minimum tensile strength Rm N/mm²	Minimum elongation② %	C③	Mn③	P	S
L 245 or B	245	415	23	0.26	1.20	0.030	0.030
L 290 or X42	290	415	23	0.26	1.30	0.030	0.030
L 320 or X46	320	435	22	0.26	1.40	0.030	0.030
L 360 or X52	360	460	21	0.26	1.40	0.030	0.030
L 390 or X56	390	490	19	0.26	1.40	0.030	0.030
L 415 or X60	415	520	18	0.26⑤	1.40⑤	0.030	0.030
L 450 or X65	450	535	18	0.26⑤	1.45⑤	0.030	0.030
L 485 or X70	485	570	17	0.26⑤	1.65⑤	0.030	0.030

① API 5L (2007):American Petroleum Institute / ISO 3183 (2007). PSL: Product Specification Level.
② Minimum elongation:depends on tensile test piece cross-sectional area.
③ For each reduction of 0.01% below the specified max C concentration, an increase of 0.05% above the specified max Mn concentration is permissible, up to a max of 1.65% for grades L245/B to L360/X52, 1.75% for L390/x56 to L450/x65 and 2.00% for L485/x70.
④ 0.5% max for Cu,0.50% max for Ni, 0.50% max for Cr, 0.15% max for Mb.
⑤ Unless otherwise agreed.

Steel grade of tubular piles