标准：
ASME/ANSI B16.5, B16.47, B16.48,
MSS SP44, API6A, AWWA C207, BS 3293,
DIN/EN 1092-1, JIS B2220, UNI, BS4504,
BS10, SABS1123, AS2129
Customized Flanges Φ73-8,000mm
尺寸类型：
Size: 1/4-144”; Wall thickness: SCH5S-SCH160(SCHXXS),
Type: Welding Neck; Blind; Plate; Loose; Slip on; Socket Welding;
Lap Joint; Threaded; Long Welding Neck ; Orifice ; Tube Sheet
材质：
Carbon & Alloy Steel Series:碳钢及合金钢系列
S235JR(J2/JRG2/J2G3);S275JR(J2/NL);S355JR(J2/J2G3/NL);
S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;P355GH;
C45(E);42CrMo4;34CrNiMo6; 080M15;070M20;080M40;
ASTM SA182 F9,F11,F22;A36;A105(N);A266;A283 Class A-D;
A350 LF2;A516 G55-70; A572 G42-65;A694 F42-F70;
SS400;SF440A;S25C;SNCM439;SM490A
Stainless Steel Series:不锈钢系列
ASME SA-182 F304/304L; F316/316L; F317/317L; F321; 904L; F51;F53;F55
Inconel Alloy Steel Series:镍基合金钢系列
ASTM SB-564 UNS N04400; N06625;N08825
热处理：
按要求进行退火、正火、回火、淬火、固溶化等热处理
