We are professional provider of stainless steel pipe in China, including stainless steel welded tube and seamless pipe, our products apply for many industries such as oil and gas, water treatment, mining, food, chemical engineering medicine, paper and pulp.

Stainless steel welded pipe and seamless tube mills covers an area of 100000 square meters, over 300 skillful employees with more than 20 engineers, we have advanced producing equipment and testing device, each year we provide stainless steel pipe over 5000 metric tons

With many years experiences, we has completed quality management system, from material inspection to final product, we strictly comply with standard in quality control, and hold a series certificates including ISO 9001:2008, PED.

We hope more and more distributors and vendors will come to visit our factory and cooperate with us in the next years and try to win the mutual profits by close cooperation. We guarantee that we will constantly provide you with our best services, superior quality all the time.

A/SA 213 (ASTM/ASME A/SA213): Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

 

A/SA 249 (ASTM/ASME A/SA249): Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

 

A/SA 268 (ASTM/ASME A/SA268): Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

 

A269 (ASTM A269): Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

 

A 270 / BPE (ASTM A270): Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing

 

A/SA 312 (ASTM/ASME A/SA3120): Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

 

A/SA358 (ASTM/ASME A/SA358): Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

 

A/SA376 (ASTM/ASME A/SA376): Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipe for High-Temperature Central-Station Service

 

A511 (ASTM A511): Standard Specification for Seamless Stainless Steel Mechanical Tubing

 

A554 (ASTM A554): Standard Specification for Welded Stainless Steel Mechanical Tubing

 

A 778 (ASTM A778): Standard Specification For Welded, Unannealed Austenitic Stainless Steel Tubular Products

 

A/SA 688 (ASTM/ASME A/SA 688): Standard Specification for Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes

 

A/SA 789 (ASTM/ASME A/SA 789): Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

 

A/SA790 (ASTM/ASME A/SA 790): Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

Chemical Composition(%)
Grade	C	Si	Mn	P	S	Cr	Ni	Mo	N
201	≤0.15	≤0.75	5.5~7.5	≤0.060	≤0.03	16.00~18.00	3.5~5.5	-	-
202	≤0.15	≤1.00	7.5~10.00	≤0.060	≤0.03	17.00~19.00	4.0~6.0	-	≤0.25
301	≤0.15	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	6.00~8.00	-
302	≤0.15	≤1.00	≤2.00	≤0.035	≤0.03	17.00~19.00	8.00~10.00	-
304	≤0.07	≤1.00	≤2.00	≤0.045	≤0.03	18.00~20.00	8.00~10.50	-
304L	≤0.030	≤1.00	≤2.00	≤0.045	≤0.03	18.00~20.00	9.00~13.00	-
310S	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	24.00~26.00	19.00~22.00	-
316	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	10.00~14.00	2.00~3.00
316L	≤0.03	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	12.00~15.00	2.00~3.00
321	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	17.00~19.00	9.00~13.00	-
430	≤0.12	≤0.75	≤1.00	≤0.040	≤0.03	16.00~18.00		-
2205	≤0.03	≤1.00	≤2.00	≤0.030	≤0.015	22.00~23.00	4.5~6.5	2.5~3.5
2507	≤0.03	≤0.08	≤1.20	≤0.035	≤0.015	24.00~26.00	6.00~8.00	3.0~5.0
904L	≤0.02	≤1.00	≤2.00	≤0.045	≤0.035	19.00~23.00	23.00~28.00	4.0~5.0
INCONEL28	≤0.03	≤1.00	≤2.50	≤0.030	≤0.030	≤28.0	≤34.0	≤4.0
MONEL400	≤0.30	≤0.5	≤2.00	-	≤0.024	-	≥63.0	-
INCONEL800	≤0.10	≤1.00	≤1.50	-	≤0.015	≤23.0	≤35	4.0~5.0