Black ASTM A335 P22 Alloy Steel Seamless Heavy Wall Pipe

Overview
Product Description
Specification
Company Profile
Main Products
Certifications
Packing & Delivery
Our Valued Clients
FAQ

Overview

Basic Info.

Model NO.	ASTM A106 Gr. B API 5L Gr. B ASTM A53 Gr. B ASTM
Material	Carbon Steel
Surface Treatment	Black
Usage	Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape	Round/Square
Standard	ASTM A106, API 5L, En 10216, JIS G3454, DIN 17175
Certificate	API, Mill Test Certificate (Mtc)
Product Features	High Strength and Pressure Resistance; Uniform Wal
Usage/Application	Pipeline Transportation for Oil, Gas, Water; Boile
Processing Service	Cutting, Threading, Grooving, Beveling, Galvanizin
Transport Package	Standard Export Seaworthy Packing
Specification	Customized
Trademark	HXHSTEEL
Origin	China
HS Code	73041910
Production Capacity	200, 000 Tons/Year

Product Description

Specification

Basic Info	Product Name	Seamless Steel Pipe / Seamless Carbon Steel Pipe
	Model NO.	ASTM A106 Gr.B, API 5L Gr.B, DIN 1629 St37.0, JIS G3454 STPG370, GB/T 8163 20#
	Trademark	HXHSTEEL, Baosteel, Shagang
	Origin	China
	MOD	50 Tons
	Delivery Time	Stock: 7-10 days; Customized: 15-21 days (Depending on quantity)
	Price Terms	FOB, CFR, CIF
	Payment Terms	T/T (Telegraphic Transfer), L/C (Letter of Credit)
	Production Capacity	200,000 Tons/Year
	Packing Clause	Standard Export Seaworthy Packing
	Terms of Shipment	Sea Transport
	Port	Shanghai, Tianjin
	HS Code	73041910
Tech Specs	Material	Carbon Steel, Alloy Steel
	Materials & Grades	China:10#, 20#, 45#, Q235B, Q345B
		USA:ASTM A106 Gr.B, API 5L Gr.B, ASTM A53 Gr.B, ASTM A179, A192
		Japan:JIS G3454 STPG370, STPG410, STB340, STS340, STPA22
		Germany:DIN 1629 St37.0, St44.0, St52.0, 1.0402, 1.0415
		Russia:GOST 8731 10, 20, 35, 45, 20X
		International:EN 10216-1 P195TR1/GH, P235TR1/GH, P265TR1/GH
	Specification	Outer Diameter (OD): 10mm - 1200mm; Wall Thickness (WT): 1.5mm - 200mm; Length: 6m - 12m (Customizable)
	Section Shape	Round
	Pipe End	Plain End, Beveled End, Threaded, Socket End, with PVC Cap/Coupling/Clamp, or as per customer request
	Technique	Hot Rolled, Cold Drawn
	Surface Treatment	Black Paint/Varnish, Anti-rust Oil, Galvanized, or as per customer request
	Product Features	High strength and pressure resistance; Uniform wall thickness; No seams or welds, reducing failure points; Good for bending and flaring; Suitable for high-temperature applications.
Std & Cert	Standard	China:GB/T 8162, GB/T 8163, GB/T 5310, GB/T 6479, GB/T 9948
		USA:ASTM A106, ASTM A53, ASTM A179, API 5L, ASTM A213
		Japan:JIS G3454, JIS G3455, JIS G3456, JIS G3458, JIS G3461
		Germany:DIN 1629, DIN 17175, DIN 2448, DIN 2391, SEW680
		Russia:GOST 8731, GOST 8732, GOST 8733, GOST 8734, GOST 10705
		International:EN 10216-1, EN 10216-2, ISO 2937, ISO 4200, ISO 9303
	Certificate	ISO9001, CE, SGS, API, Mill Test Certificate (MTC)
	Certificate of Quality	Mill Test Certificate (MTC)
	Inspection	Third-party inspection accepted (SGS, BV, etc.)
Application	Usage/Application	Pipeline transportation for oil, gas, water; Boiler tubes and heat exchangers; Hydraulic and pneumatic systems; Automotive and machinery components; Chemical and petrochemical plants; Power generation plants; Structural applications; Mining and drilling equipment.
	Processing Service	Cutting, Threading, Grooving, Beveling, Galvanizing, Bending, Flanging

Company Profile

Shanghai Hongxianghui Steel (HXHSteel) - - LEADING STEEL PRODUCTS SUPPLIER IN CHINAHXH Steel, backed by the Zhongye Group, is a premier steel manufacturer and full-scale supply chain integrator. We operate our own specialized production facilities while maintaining deep strategic partnerships with industry titans like Baosteel, Ansteel, TISCO, and Shagang. By combining our manufacturing precision with a vast network of verified partner factories, we provide a complete, certified portfolio—spanning Carbon Steel, Stainless Steel, and Alloy Steel. From high-performance pipes, coils, and sheets to structural profiles and bars, we deliver stable, high-quality solutions compliant with strict international standards (API, ASTM, EN, JIS, etc.) for distributors and project contractors worldwide.

WHY CHOOSE HXH STEEL?1.Certified Quality: Rigorous QC with batch-specific MTCs ensuring international compliance.
2.Comprehensive Portfolio: A one-stop shop for Carbon, Stainless, and Alloy steel products.
3.Reliable Supply: 70,000-ton inventory and strategic mill partnerships for fast, global delivery.Main Products

Seamless PipesStainless PipesStainless Coil & Sheet

Welded PipesPickling&Oiled CoilDuctile Iron Pipes

Carbon Steel PipesCarbon Steel Coils & SheetsPPGI

Galvanized Steel PipesGalvanized Steel CoilsGalvanized Steel Sheets

Galvanized Steel Corrugated SheetPPGI Corrugated SheetSteel Sections & BarsCertifications

Packing & Delivery

Our Valued Clients

FAQ1. What steel products do you supply?
HXH Steel supplies carbon steel, stainless steel, galvanized steel and alloy steel products, including steel pipes & tubes, steel coils, sheets & plates, H-beams, I-beams, channels, angles, rebar and customized structural steel.2. What steel grades are available?
We supply a wide range of international grades, including SS400, A36, A572, S235JR, S355JR, ASTM A53, ASTM A106, API 5L, DX51D+Z, SGCC, AISI 304, 304L, 316, 316L and more.3. Which international standards do your products comply with?
Our products are manufactured according to ASTM, ASME, API, EN and JIS standards. We also operate under ISO 9001 quality management and provide CE and API certified products where applicable.4. Do you offer custom sizes and processing?
Yes. We provide customized dimensions, cut-to-length, slitting, drilling, beveling, bending, welding and surface treatments such as painting and hot-dip galvanizing according to your drawings or specifications.5. How do you ensure product quality?
Quality control covers every stage from raw material sourcing to final shipment. All products undergo strict inspection for dimensions, surface quality and mechanical performance before delivery.6. Can you provide Mill Test Certificates (MTC)?
Yes. Every shipment includes an EN 10204 3.1 Mill Test Certificate with heat number, chemical composition, mechanical properties and inspection results for full traceability.7. Do you accept third-party inspection?
Yes. SGS, BV, TÜV or any customer-appointed inspection agency is welcome to inspect the products before shipment.8. How soon can I receive a quotation?Our experienced sales engineers usually provide quotations within 12 working hours. For standard stock products, responses are often available within 1–2 working hours.