1. Standard:
ASTM A53, ASME SA53, ASTM A106, ASME SA106, ASTM A179, ASME SA179, ASTM A192, ASME SA192, ASTM A210, ASME SA210, ASTM A213, ASME SA213, DIN1629, DIN 17175, JIS, BS, API 5L

2. Grade:
ASTM A53 Grade Aor Grade B, ASTM A106 Grade Aor Grade B, A 179, 1 192, ASTM A210-A1, ASME SA210-A1, ASTM A213 -t11, ASME SA213-t11, ASTM A213 -t12, ASME SA213-t12, ASTM A213 -t13, ASME SA213-t13, API 5L X 42 X 52, DIN1629 st 37.0, st 44.0, DIN 17175 st 35.8, st 45.8, 13CrMo 44, BS 3059-1 320, BS 3059-2 360, 440 620, JIS G 3461 STB 340

3. Specification:Outside Diameter: 6-630 mm; Wall Thickness: 0.8-20mm;

4. Packing: as per customers' requirements

5. Payment terms: T/T, L/C at sight, D/P at sight.
6. Trade terms: FOB, CRF, CIF.

7.Application:  Alloy steel pipe applies to petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, corrosion resistant seamless steel pipe used. Alloy steel pipe can be made according to the customers requirements.


Tianjin Sanjuyuan Trade Co., Ltd is a famous trading company which specializes in high quality seamless steel tubes/pipes and many kinds of alloy pipes,stainless steel pipes, copper tubes, aluminum tubes. Our company can also supply all kinds of high pressure boiler tubes, low and medium pressure pipes, oil cracking pipes, oil bushing pipes, chemical fertilizer pipes, fluid pipes, structure pipes, hydraulic prop pipes and line pipes.
As one of the biggest steel pipe agents in China, we can certainly ensure high quality and competitive price. In the course of cooperation with clients from all over the world, we have established stable and long-term relationships with our customers through our unremitting efforts and perfect service. We enjoy a good reputation in the industry of steel products and hope to expand our business to more countries and districts.