42CrMo P11 T11 ASTM A335 ASTM A213

Seamless Alloy Steel Tube

Seamless Alloy Steel Tube for tube supply for mechanical and industrial export projects. Buyers can confirm grade, dimensions, surface condition, packing, and destination port before quotation. Typical reference points include A106, ST37, API 5L.

MOQ: Typically 1 container
Lead time: 7-21 working days after confirmation
Origin: China
Monthly supply: 5,000+ metric tons per month
Standards: ASTM A335, ASTM A213, API 5L
Packing: Export seaworthy packing with traceable bundle labels and loading photos.

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PRODUCT TECHNICAL SPECIFICATION PLATE ORDER-SPECIFIC DATA

TECHNICAL METRICS

Thickness: 1mm - 135 mm
Length: 3 m - 12 m or according to the requirements of clients
Standard: ASTM GB DIN

LOGISTICS & DISPATCH

MOQ: Typically 1 container
Lead time: 7-21 working days after confirmation
Origin: China
Monthly supply: 5,000+ metric tons per month

Full specifications

Full specifications
Property	Value
Product	SEAMLESS / ERW / SAW ALLOY STEEL PIPE
Dimension	6 mm - 1080 mm
Thickness	1mm - 135 mm
Length	3 m - 12 m or according to the requirements of clients
Standard	ASTM GB DIN
Trade terms	FOB/CIF/CFR
Payment terms	T/T, L/C
Delivery port	Tianjin, China
Delivery time	10 or according to the real quantity of the tubes
Inspection	Ultrasonic examination, eddy inspection, hydrosttic testing etc.
Package	Bundles, lossen or according to your requirements
Certificate	API 5L/5CT, ISO, PED etc.
OD≤101.6	+0.4/-0.8
101.6＜OD≤190.5	+0.4/-1.2
190.5＜OD≤228.6	+0.4/-1.6

Overview

Seamless Alloy Steel Tube is supplied for mechanical and industrial export projects. This tube supports specification review on grade, size range, surface condition, packing method, and mill documentation before shipment planning. Typical reference points include A106, ST37, API 5L. Procurement teams can align thickness or section size, width or outer diameter where applicable, length tolerance, surface protection, and packing style with the destination port and handling plan. Share required grade, dimensions, quantity, end use, inspection needs, and destination port so the sales team can align a practical export supply option with clear mill-linked quotation inputs.

Applications

High-temperature refinery and petrochemical piping systems
Power boiler, superheater, and pressure-equipment tube packages
Alloy mechanical tubing orders that require heat-treatment, testing, and traceable MTCs

RFQ documents & delivery

Packing, MTC, and inspection path — include them in your RFQ for an actionable quote.

Packing & delivery

Order-specific packing

Export seaworthy packing with traceable bundle labels and loading photos.

Quality assurance

Documents as ordered

Mill certificate, inspection support, and shipment documentation can be coordinated before loading as ordered.

Supply confidence

Stock, inspection, and product uses

Fixed delivery proof plus this product’s applications — confirm stock, inspection, and end use before RFQ.

Steel bundles staged by lot in the warehouse

Warehouse & staged stock

Strapped coils and plates staged by lot so grade, thickness, and destination port can be matched quickly for shipment.

Factory capability Ask stock & lead time

Buyer verifying thickness and specs on site

Buyer visits & inspection

Overseas buyers and third-party inspectors are welcome to verify specs, heat numbers, and packing. SGS/BV support available.

Quality & standards Arrange inspection

Steel used in manufacturing and fabrication

Typical applications for this product

Typical uses for this product: High-temperature refinery and petrochemical piping systems; Power boiler, superheater, and pressure-equipment tube packages; Alloy mechanical tubing orders that require heat-treatment, testing, and traceable MTCs. Share your end use, environment, and packing needs in the RFQ.

View manufacturing Quote for this use case

FAQ

What should I confirm before ordering Seamless Alloy Steel Tube?

Please confirm grade or standard, size, quantity, destination port, packing method, and required inspection documents before requesting a quotation for Seamless Alloy Steel Tube.

Can Seamless Alloy Steel Tube be supplied with export documents?

Yes. Mill test certificates, packing lists, commercial documents, and optional third-party inspection can be coordinated before shipment.

Request a quote for Seamless Alloy Steel Tube

Send grade, size, quantity, and destination port for a practical export quotation.

Request Technical Quote WhatsApp for urgent specs

Web RFQ: formal quote + document path
WhatsApp: fast confirm for urgent specs