What is the standard delivery state for S275NLH?

Only normalized (+N) delivery condition, which ensures stable low-temperature toughness performance.

Does S275NLH have good welding property?

It is designed as weldable structural steel with low carbon equivalent, perfect for building welded connections.

What is the biggest advantage of S275NLH compared with S275NH?

S275NLH passes impact test at -50teamperature, while S275NH only meets -20teamperature requirement, more suitable for extremely cold regions.

What is your minimum order quantity?

MOQ is flexible, we accept small sample trial orders and bulk ton-level construction project orders.

How do you pack tubes for export sea transportation?

Coated with anti-rust oil inside and outside, sealed with plastic end caps, bundled by high-strength steel strips; small tubes packed in plywood cases.

ASTM A312 Multi-Grade Seamless Tubes for Construction Projects

Name: ASTM A312 Multi-Grade Seamless Tubes for Construction Projects
Brand: Tianjin Zengze Steel Trading Co., Ltd.
SKU: 1937894422

Tianjin, ChinaTianjin Zengze Steel Trading Co., Ltd.

US$5,000.00

1-9 Tons

US$4,800.00

10-19 Tons

US$4,600.00

20-49 Tons

US$4,400.00

50-99 Tons

US$4,000.00

100+ Tons

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Quality Objection Within 10 Days Since Receiving

Warranty

6 Months

Model NO.

ZZ-RT-078

Type

Seamless

Technique

Hot Rolled,Extruded

Material

Carbon Steel, Alloy Steel

Surface Treatment

Hot Rolled, Galvanized, Polished, Coated

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

Thickness

3-100mm

Diameter

6-500mm

Length

6m,9m,12m or Customized

Steel Grade

S235-S460

Brand

Shandong, Tianjin, Hebei

MOQ

1 Tons

Stock

More Than 10,000tons

Shipment Port

Tianjin, Qingdao, Shanghai

Shipping

by Container or Bulk Ship

Processing Services

Cutting, Polishing,Drilling

Technique Type

Cold Drawn, Hot Rolled, Forged

Delivery

Within 7 Days for Normal Size

Surface

Prime Original Surface, Galvanized or Coated

Warehouse Location

Tianjin, Hebei, Shandong

Payment Term

30%T/T, Balance Against Shipping Docs

Transport Package

Standard Exporting Package

Specification

6-500mm

Trademark

Zengze

Origin

China

HS Code

7304499000

Production Capacity

5000tons Per Months

Key features

Wide Material Range: Offers 200, 300, Duplex, and 904L series stainless steel grades.

Customized Processing: Provides cutting, drilling, and pattern machining as per customer requirements.

Fast Delivery: Stock items delivered within 7 days upon receipt of deposit.

Comprehensive Testing: Includes squash, water pressure, and crystal rot tests with BV/SGS available.

Flexible Dimensions: Round tubes 8-680mm, square 10x10-300x300mm, rectangular 10x20-120x180mm.

Low MOQ: Minimum order quantity starts at just 1 ton.

Quality Warranty: 5-year warranty with quality objection handling within 10 days of receipt.

Free Samples: Small stock samples provided free; customized samples in 5-7 days.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery

Tianjin Zengze Steel Trading Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 17 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.57h CertifiedTerms of Payment: LC, T/T, D/P, etc.

About Our Factory & Business Background

AddressBeichen District Beicang Way Names Material, Tianjin, China

Plant Area50 square meters

Number of Employees2

Registered Capital5,000,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity100 Kg

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsSteel And Laser Cladding Machine

R&D Engineers1 people

Our Industry Experience & Global Business Record

Year of Establishment2007-12-11

Main MarketsEurope, Domestic, Asia

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What does S275NLH 1.0497 mean?

1.0497 is the official EN material number of S275NLH, it is normalized fine grain structural tube with guaranteed -50temperature low temperature impact toughness under EN10210-1 standard.

Q:Is S275NLH tube seamless product?

Yes, it is hot rolled seamless structural hollow section without welded joint.

Q:Which standards does S275NLH comply with?

Mainly conforms to EN 10210-1 for hot finished structural hollow sections and EN 10025-3 for fine grain structural steel.

Q:Can you provide official mill test certificate?

Absolutely, EN10204-3.1 MTC with full chemical and mechanical test reports is supplied per batch.

Q:What size range can you produce?

Outer diameter 20-630mm, wall thickness 2-60mm, non-standard special dimensions can be customized.