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ANSI DIN Carbon Steel Stainless Steel Lug Type Butterfly Valve 美标德标碳钢不锈钢凸耳式蝶阀
面议ASME B16.34 Cast Steel Pressure Seal Bonnet Gate Valve 美标B16.34铸钢压力自密封闸阀
面议Needle Valve 针型阀
面议Single Seat Double Seat Self Operated Control Valve 单座双座自动控制阀
面议Disc Lever Float Type Steam TrapAdjustable Bimetal Plate Steam Trap Valve 阀瓣杆浮子式蒸汽可调双金属板蒸汽疏水阀
面议High Pressure American Standard Clamped Stainless Steel Plug Valve 美标高压夹紧不锈钢旋塞阀
面议Y Type T Type Basket Valve Strainer Y型T型篮式阀过滤器
面议Forged Steel Valve Y Type Strainer 锻钢阀门Y型过滤器
面议Nps34 Cl800 Thread Bw Extended Port Gte Valve Nps34 Cl800螺纹加长端口闸阀
面议Extended Stem Low Temperature Socket Welded Thread Flanged Forged Steel Gate Valve 加长阀杆低温承插焊螺纹锻钢闸阀
面议Cast Steel Ductile Iron Rising Stem Gate Valve 明杆铸铁闸阀
面议Bronze Carbon Steel Stainless Steel Flexible Wedge Gate Valve 青铜碳钢不锈钢灵活楔式闸阀
面议Duplex stainless steel pipe generally refers to a steel composed of 50% Ferritic and 50% Austenitic phase structure. This composition gives them a better strength than either Ferritic or Austenitic steels. Duplex stainless steel has excellent pitting corrosion resistance and is also a nickel-saving stainless steel.
GUTE supplys the ASME SA789 and ASME SA790 Duplex Stainless Steel Pipe and tube materials for the Oil and Gas, Refinery, Petrochemical and Power Industries as S31803 Duplex steel Pipe, 2205 Duplex steel Pipe, S32750 Super Duplex steel Pipe, S32760 Super Duplex steel Pipe.
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Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Ni | Cr | Mo | N | Cu |
S31803 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 | 0.08–0.20 | - |
S32205 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5–6.5 | 22.0–23.0 | 3.0–3.5 | 0.14–0.20 | - |
S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 | 0.5 |
S32760 | 0.05 | 1.00 | 0.03 | 0.01 | 1.00 | 6.0-8.0 | 24.0-26.0 | 3.0-4.0 | 0.20-0.30 | 0.50–1.00 |
Mechanical properties | Tensile,min,ksi[MPa] | Yield,min,ksi[MPa] | Elongation,%(min) | Hardness,HB(max) |
S31803 | 90 [620] | 65 [450] | 25 | 290 |
S32205 | 95 [655] | 65 [450] | 25 | 290 |
S32750 | 116 [800] | 80 [550] | 15 | 300 |
S32760 | 109 [750] | 80 [550] | 25 | 300 |
Duplex Stainless steel pipes are manufactured according to the ASME B36.19 standard.
DUPLEX PIPE:S31803 Pipe, S32205 Pipe
SUPER DUPLEX PIPES: S32750 Pipe, S32760 Pipe
Duplex pipes and Super Duplex pipes match the following fittings materials: ASTM A815 (butt weld fittings) and ASTM A182 F51 / F53 / F55 / F60 (flanges / forged socket weld and threaded fittings).
Test:
Tension Test, Flattening Test, Hardness Test, or Bend Test; Hydrostatic Test or nondestructive electric test.
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Applications:
Chemical processing, transport and storage, Oil and gas exploration and processing equipment, Effluent scrubbing systems, Food processing equipment, Cargo tanks for ships and trucks, Biofuels plants