Standards:

In accord with GB/T12459\GB/T13401\HG/T21635\HG/T21631\SY5010\SH3408\Sh409\ASME B16.9\JIS B2311/2312/2313\DIN2605/2615/2616/2617, etc.

Size Range:
Seamless: from DN15 to DN600 (1/2" ~ 24" ) Pressure Class: SCH5S ~ SCH160S
Welded (single ) From DN1to DN600(1/2" ~ 24" ) Pressure Class: SCH5S ~ SCH160S
Welded (double) From DN200 to DN1200

Max ≤DN1800 (1/2" ~48" to ≤72" ), Pressure Class SCH5S ~ SCH160S
Materials:  
in accord with ASTM\JIS\DIN\GB.
ASTM:A234 WPB/WP12/WP11/WP22/WP5\A420 WPL6\A403 WP304/WP304L/WP316/WP316L/WP317/WP317L/WP321\S31803\2205
JIS: SUS304\SUS304L\SUS316\SUS316L\SUS316Ti\SUS317L\SUS321\SUS321H
DIN: 1.4301\1.4306\1.4401\1.4435\1.4571\1.4436\1.4438\1.4541
GB: 20#\20G\Q235A\Q235B\16Mn\16MnR\1Cr5Mo\12CrMo\12CrMoG\15CrMo\12Cr1MoV\0Cr18Ni9\00Cr19Ni10\0Cr17Ni12Mo2\0Cr18Ni12Mo2Ti\0Cr19Ni13Mo3\1Cr18Ni9Ti\0Cr18Ni10Ti

DN, mm	OD, mm	E, mm	T1, mm	Working Pressure PN(Mpa)	weight (kg.)
25	32	15	3	10	0.07
32	38	20	3	10	0.1
40	45	25	4	10	0.15
50	57	30	3	10	0.2
65	76	40	3.5	10	0.4
80	89	45	3.5	6.3	0.6
100	108	50	4	6.3	0.7
125	133	55	4	6.3	0.9
150	159	65	4.5	6.3	1.5
200	219	75	8	6.3	4.6
250	273	85	8	4	5.6
300	325	100	10	4	10.6
350	377	115	10	4	15.1
400	426	125	10	4	15.4
500	530	150	10	2.5	25