Class 150,Class 300,Class 400,Class 600,Class 900,Class 1500,Class 2500

1/2”-24”(Class 150-900), 1/2”-2¹/₂”(Class 1500,Class 2500)

ASNI/ASME B16.5 Threaded Flange Materials:

Carbon Steel:ASTM A105,A350 LF2,SS400,P235GH,P250GH,C22.8,Q235,20#,16Mn etc.

Stainless Steel:ASTM A182 F304,F304L,F316,F316L,F321,F347,F310,F44,F51 etc.

Alloy Steel:ASTM A694 F42,F46,F52,F56,F60,F65,F70,A182 F5,F9,F91,F12,F11,F22 etc

NPT 2 inch Class 150 A105 ANSI B16.5 Threaded Flange Product Show: 

NPT 2 inch Class 150 A105 ANSI B16.5 Threaded Flange

NPT 2 inch Class 150 A105 ANSI B16.5 Threaded Flange 

Established in 1982, HEBEI HAIHAO GROUP STEEL PIPE ENGINEERING CO,.LTD. Our group is the biggest flange & pipe fittings manufacturer in our area, covers an area of 78,000 square meters with the building area of 55,000 square meters. We have fixed assets of 30 million Yuan. Situated in Industrial Area of Mengcun County, the Home of Elbow and Pipe Fitting of China, With Cangzhou Port in the east and Beijing and Tianjin cities in the north, we enjoy a convenient transportation.

Our cetificates show:

Our company has got API,ABS,ISO,HSL,BV,CE CERTIFICATES.

Workshop

Process

Question 1: How many staff working on your plant? 

Answer: 660 workers and staff members with a strong technical force, including 26 engineers, 48 assistant engineers and 68 technicians.

Question 2:  What kind of certificate do you have?

Answer: ISO,API,ABS CERTIFICATES.

Question 3: What market experiences do you have?

Answer: We have experiences of working in  Russia,USA ,Germany Korea,Vietnam, India ,Indonesia, Malaysia, Philippines,Iran, Kazakhstan, Romania, Costa Rica, Georgia, Kuwait,Turkmenistan, Ukraine and Jordan etc. market.

Question 4:  What kind of largest diameter seamless and welded pipe fittings available to producing in your workshops ?

Answer: ELBOW( largest diameter seamless 30",welded 96" )

                TEE( largest diameter seamless 24",welded 96" )

                 REDUCER( largest diameter seamless 24",welded 96" )

Question 5: Do you have the laboratory in your factory?

Answer: Yes, we have.

Question 6: Can you supply FASTENERS?

Answer: Yes, we can supply Bolt, U-bolt and screw nut.

Question 7: What test do you usually do?

Answer: After production, we will make NDT inspection. About elbows, usually we use ultrasonic test by a certain percentage. If client needs special requirement,we will make as per their requirement.

Question 8: The period of production a volume about 300 tn of products;

Answer:  About 300 tons products, it costs 20-30 days,and 40 days including painting,marking and packing.

Question 9: The whole production capacity of your own production facilities;

Answer: About DN15-DN6000 flange,18000 tons per year;DN15-DN1200 elbow, reducer and tee,15000 tons per year.