Wholesale OEM/ODM Cold Rolled Galvanized/Precision/Black/Carbon Steel Seamless Pipes for Boiler and Heat Exchanger ASTM/ASME SA179 SA192 A53 A106

Our products and solutions are greatly recognized and trustworthy by customers and may fulfill constantly changing financial and social requires for Wholesale OEM/ODM Cold Rolled Galvanized/Precision/Black/Carbon Steel Seamless Pipes for Boiler and Heat Exchanger ASTM/ASME SA179 SA192 A53 A106, We generally offer most effective top quality merchandise and great assistance for the majority of enterprise users and traders . Warmly welcome to affix us, let's innovate together, and fly dreams. Our products and solutions are greatly recognized and trustworthy by customers and may fulfill constantly changing financial and social requires for China Steel Pipe and Seamless Steel Pipe, We are looking forward to cooperating closely with you to our mutual benefits and top development. We guaranteed quality, if customers were not satisfied with the products' quality, you can return within 7days with their original states.

Applicable Standard

GB3087：Seamless steel pipe for low and medium pressure boiler

GB9948：Seamless steel pipe for petroleum cracking

GB6479：Seamless steel pipes for high-pressure fertilizer equipment

GB/T17396：Hot rolled seamless steel pipe for hydraulic prop

Characteristics and Application

20# steel belongs to high-quality low-carbon carbon steel, cold-extruded and hardened steel. The steel has low strength, good toughness, plasticity and weldability. It belongs to high-quality low-carbon carbon steel, cold-extruded and hardened steel. The steel has low strength, good toughness, plasticity and weldability. It is generally used to manufacture seamless pipes with low stress and high toughness requirements.

Size Range

Grade	Size Range
	OD						WT
20#	21～1200						3～130

 

Chemical Component

Grade

Chemical Component %

C

Si

Mn

Cr

Mo

V

Ti

B

Ni

Cu

Nb

N

W

P

S

20#

0.17- 0.23

0.17- 0.37

0.35- 0.65

≤ 0.25

—

—

—

—

≤ 0.30

≤ 0.20

—

—

—

≤ 0.030

≤ 0.030

 

Mechanical Property

Grade

Mechanical Property

Tensile Strength(MPa)

Tensile Strength(Mpa)

Elogation(L/T)

Impact(J) Vertical/Horizontal

Hardness(NB)

20#

410- 550

≥ 245

≥20%

≥40/27

—

 

Advantage

1. Delivery period: Large inventory make sure minimum delivery period, mainly 5-7 days.

2. Cost management: Resources at hand and vast experience of cost management let us can provide most suitable resource combination base on customer's needs

3. Top mill resource: Can provide full set certificate and qualification documents to prove high quality and provide support to tender.

4. Strict QC system: Whole flow onsite inspection, fully test and report, third-party inspection

5. After service: all products traceable, Tracing the source of liability

Our products and solutions are greatly recognized and trustworthy by customers and may fulfill constantly changing financial and social requires for Wholesale OEM/ODM Cold Rolled Galvanized/Precision/Black/Carbon Steel Seamless Pipes for Boiler and Heat Exchanger ASTM/ASME SA179 SA192 A53 A106, We generally offer most effective top quality merchandise and great assistance for the majority of enterprise users and traders . Warmly welcome to affix us, let's innovate together, and fly dreams. Wholesale OEM/ODM China Steel Pipe and Seamless Steel Pipe, We are looking forward to cooperating closely with you to our mutual benefits and top development. We guaranteed quality, if customers were not satisfied with the products' quality, you can return within 7days with their original states.