WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD
Provide reliable and complete pipeline accessories and solutions for the world.
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socket welding equal or Reducing tee high pressure pipe fitting Duplex steel F51/S31803 F53/S32750
"zheheng steel" is a specializing in the production and supply of stainless steel pipe fittings manufacturer. The main products are socket tees, socket elbows, other stainless steel socket pipe fittings and other products. The company strictly follows ASTM, JIS, DIN, EN production execution. Short delivery time.
"ZHEHENG STEEL"is the manufacturer and supplier of various pipe fittings & flanges etc. which made from stainless and carbon steel, these products are widely used in the fields of electric power, petroleum, gas, chemical, shipbuilding, infrastructure, etc.
Product Scope
We’re able to supply butt welding pipe fittings, forged flanges, forged pipe fittings, cast pipe fittings, swage nipple & bull plug, nipples, bulkhead tank fittings, ball valves…and many customized products with material as follows;
ASTM: 304,304L,316,316L,317,321,A234 WPB,A105,A106B ...
JIS: SUS304,SUS304L,SUS316,SUS316L...
DIN: 1.4301,1.4306,1.4401,1.4435,1.4571...
Production Standards
ASME B16.9/B16.11/B16.5/B16.47,MSS SP-43/83/95/97/114,
JIS B2309/2220/2311/2312/2313,BS 3293/3799,
DIN 2533/2576/2605/2615/2616/2617/2631/2633,
EN 1092-1,GOST 12821-80/12822-80 ...
Size Range
Butt welding pipe fittings: 1/2” ~ 80” Wall thickness: SCH5S ~ SCH160,XXS
Forged flanges: 1/2” ~ 60” Pressure rating: 150LB ~ 2500LB
Forged pipe fittings: 1/8” ~ 4” Pressure rating: 1000LB, 2000LB,3000LB,6000LB,9000LB
Cast pipe fittings: 1/8” ~ 4” Pressure rating: 150LB
| Steel Grade | C | Mn | Si | Cr | Ni | Mo | other |
| S31803 | 0.03 | 2 | 1 | 21-23 | 4.5-6.5 | 2.5-3.5 | N 0.08-0.2 |
| S32550 | 0.04 | 1.5 | 1 | 24-27 | 4.5-6.5 | 2.9-3.9 | N 0.1-0.25 Cu1.5-2.5 |
| S32750 | 0.03 | 1.2 | 0.08 | 24-26 | 6--8 | 3--4 | N0.24-0.32 Cu0.5 |
| S32760 | 0.03 | 1 | 1 | 24-26 | 6--8 | 3--4 | N0.2-0.3Cu0.5-1W0.5-1 |
| N08904 | 0.02 | 2 | - | 19-21 | 24-26 | 4--5 | Cu1-2 |
| S32900 | 0.08 | 1 | 0.08 | 23-28 | 3--6 | 1--3 | |
| RS-2 | 0.06 | 1 | 2 | 17-22 | 24-28 | 2.5-3.5 | Cu2-3 |
| A4 | 0.08 | 12--15 | 0.7 | 16.5-18.5 | - | 1.8-2.2 | N0.2-0.3 |
| S31254 | 0.02 | 1 | 0.8 | 19.5-20.5 | 17.5-18.5 | 6-6.5 | N0.18-0.22Cu0.5-1 |
| S31805 | 0.05-0.1 | 0.8 | 1.4-2 | 20-22 | 10--12 | ||
At present, China's American standard high-pressure socket stainless steel tee industry still has some problems. For example, China's American standard stainless steel tee enterprises are mainly low-level, small-scale, family workshop-style enterprises. In terms of products, due to repeated investment and insufficient technology introduction, the leading products of China's American standard stainless steel tee enterprises are still low-quality public products. At present, the various American standard stainless steel tees produced by Chinese enterprises generally have shortcomings such as external leakage, internal leakage, low quality appearance, short life, inflexible operation, and unreliable valve electric and pneumatic devices. At the international level in the early 1980s, some American standard stainless steel tees required for high temperature, high pressure and key equipment still depend on imports.
