China ASTM A335 P91 Seamless Ferritic Alloy Steel Pipe 1/2-24 Inch OD for High Temperature Boiler Service for sale

ASTM A335 P91 Seamless Ferritic Alloy Steel Pipe 1/2-24 Inch OD for High Temperature Boiler Service

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: 30 DAYS

Brand: zheheng

Product Description

Product Overview

ASTM A335 P91 seamless ferritic alloy steel pipes designed for high-temperature service applications including boilers, superheaters, and heat exchangers. These pipes offer exceptional performance in demanding thermal environments.

Technical Specifications

Parameter	Specification
Standards	ASTM, BS, JIS, DIN, GB
Outer Diameter	1/2"-24" (10-610mm)
Wall Thickness	SCH10-XXS (1.5-60mm)
Length	5m-12m
Tolerance	OD: +1%/-1%, WT: +12.5%/-10%
Production Capacity	5000 tons per month

Chemical Composition

Grade	C	Si	Mn	P	S	Cr	Mo
P5	Max.0.15	Max.0.50	0.3-0.6	Max.0.025	Max.0.025	4-6	0.45-0.65
P11	0.05-0.15	0.5-1.0	0.3-0.6	Max.0.025	Max.0.025	1.0-1.5	0.44-0.65
P12	0.05-0.15	Max.0.50	0.3-0.61	Max.0.025	Max.0.025	0.8-1.25	0.44-0.65
P22	0.05-0.15	Max.0.50	0.3-0.6	Max.0.025	Max.0.025	1.9-2.6	0.87-1.13

Mechanical Properties

Grade	Yield Point (MPa)	Tensile Strength (MPa)	Elongation (%)	Impact Value (J)
P5	≥205	≥415	See table	≥35
P11	≥205	≥415	See table	≥35
P12	≥220	≥415	See table	≥35
P22	≥205	≥415	See table	≥35

Applications & Markets

Primary Applications: Boilers, superheaters, heat exchangers, oil/gas/fluid transportation, construction, electricity, machine building, chemical industry, petroleum, traffic
Main Markets: Asia, India, Middle East, America, Europe

Quality Assurance

Product analysis includes testing of two pipes from each lot, with results reported to the purchaser. For P91 grade, carbon content may vary by -0.01% to +0.02% from specified range.

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